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Buick Regal

Buick Regal
2020 Regal Sportback
ManufacturerBuick (General Motors)
Model years
  • North America: 1973–2004, 2011–2020
  • China: 1999–present
PredecessorBuick Skylark (2nd generation)
Buick Century
SuccessorBuick LaCrosse

The Buick Regal is a line of mid-size cars marketed by Buick since 1973. For nearly its entire production, the Regal has served as the premium mid-size/intermediate offering of the Buick product range. Introduced as a submodel of the Buick Century, the model line is currently in its sixth generation. From the 1970s to the 1990s, the Regal served as the Buick counterpart of the Pontiac Grand Prix and Oldsmobile Cutlass Supreme.

Originally introduced as a personal luxury coupe, the Regal was later expanded to a full model line. To showcase its success in NASCAR racing, from 1982 to 1987, Buick introduced the Buick Regal Grand National, Regal T-Type, and the limited-production Buick GNX. During the 1990s, while the four-door sedan superseded the two-door coupe entirely, forced-induction engines made their return, with superchargers replacing turbochargers.

For 1999, the Buick Regal inaugurated the sale of GM vehicles in the Chinese market, with the 1997 design lasting through 2008. Following the 2004 model year, Buick retired the nameplate in North America, with the Regal replaced by the Buick LaCrosse.

For 2008, Opel introduced the Opel Insignia as its largest sedan, with Buick rebranding the model line as the Regal for the Chinese market. For 2011, GM reintroduced the Regal to North America, rebranding the Insignia sedan for North America. For 2018, Buick introduced the second-generation Opel Insignia, sourcing all production from Germany; alongside a first-ever liftback sedan, the Regal TourX was the first Buick station wagon in 22 years.

After 2020, as the division shifted away from car model lines, Buick ended sales of the Regal in North America.[1][2][3]

First generation (1973)

First generation
1973 Century Regal Colonnade Hardtop Coupe
Also calledBuick Century Regal [4]
Model years1973–1977
Body and chassis
Body style2-door coupe
4-door sedan
LayoutFR layout
  • 112 in (2,800 mm) (coupe)[5]
  • 116 in (2,900 mm) (sedan)[5]
  • 212 in (5,400 mm) (coupe)[5]
  • 216 in (5,500 mm) (sedan)[5]
  • 53.3 in (1,350 mm) (coupe)[5]
  • 54.1 in (1,370 mm) (sedan)[5]

Buick had been the first GM division to bring a personal luxury car to market with its 1963 Riviera, but was otherwise slow to react to the developing lower-priced mid-size personal luxury market, which Pontiac created with the 1969 Grand Prix and Chevrolet with the Monte Carlo the following year, 1970. At the same time, Oldsmobile added a formal notchback coupé to its intermediate line, the Cutlass Supreme, in 1970 and that model soon became Olds' best-selling intermediate. Buick did not get its own personal luxury coupe until the GM intermediates were redesigned in 1973, the so-called "Colonnade" cars that eliminated hardtop models completely. In a curious name swap, the Skylark name was dropped from Buick's intermediate line and instead the Century nameplate, last used in the 1950s, was revived for them.[6]

A highly trimmed, two-door coupe, the first Regal, officially marketed as the "Century Regal Colonnade Hardtop coupe", shared its front and rear styling with its Century parent with distinctions amounting to differing grilles and taillight lenses. The Regal shared the same "Colonnade" pillared hardtop roofline (a hardtop with B-pillars (center pillars) but frameless doors unlike a sedan body) and greenhouse (window area) with the Grand Prix, Monte Carlo, and Cutlass Supreme as well as the lower-priced Buick Century Luxus coupe. Like its corporate cousins, the Regal (and Luxus) featured the newly fashionable opera windows, which were small fixed rear-side windows surrounded by sheetmetal, instead of the traditional roll-down windows.[6]

For the first model year in 1973, the Regal nameplate was only used for Buick's version of the GM intermediate personal luxury coupe, but the following year gained a sedan companion (there was no Regal station wagon).

The Century moniker was discontinued for 1976, with the model now marketed as the Buick Regal.[7]

Interiors were generally more luxurious than lesser Century models, as the Regal featured woodgrain trim on dashboard and door panels, as well as door-pull straps and bench seats with center armrests upholstered in cloth, velour, or vinyl upholstery. Optional throughout the run was a 60/40 split-bench seat with armrest. For 1976 and 1977, the available Regal S/R coupe included reclining bucket seats with corduroy upholstery.

The model lasted five years with minimal changes, although there was a fairly substantial facelift for the coupe for 1976. The sedan retained its original 1973 sheetmetal through 1977. 1976 models incorporated the recently legalized rectangular headlights, mounted horizontally on the coupe and vertically on the sedan.[8] The Regal coupe sold reasonably well, although it lagged behind the Monte Carlo and Cutlass Supreme, which had become the best-selling cars in America by 1976. The listed retail price for a 1976 Regal was $4,910 ($26,290 in 2023 dollars [9]).[10]

The Regal was most commonly powered by Buick's 350 cu in (5.7 L) V8, which was standard equipment on all models for 1973 and 1974 before being made optional on coupes from 1975 to 1977, and the larger 455 cu in (7.5 L) V8 that was optional for 1973 and 1974 models only. Starting in 1975, Regal coupes came standard with Buick's resurrected 231 cu in (3.8 L) V6 engine previously offered on the 1964–1967 Skylark; the engine's tooling had been sold to Kaiser Motors for use in Jeep models (Kaiser was purchased by American Motors in 1970 and Jeep became an AMC division) and sold back to GM by AMC in 1974. For 1975 and 1976, the Century and Regal were the only mid-sized cars in America to offer V6 engines. The bolt pattern for this vehicle is 5×4+34 inches (120.7 mm).

Production Figures:

Buick Regal (Centuries were counted for total production in sources, excluded here.):[11] [12]
Regal Coupe Regal Sedan
1973 91,557 N/A (None)
1974 57,512 9,333
1975 56,646 10,726
1976 124,498 17,118
1977 174,560 17,946
Total 504,773 55,123

Second generation (1978)

Second generation
1984 Regal Limited
Model years1978–1987
AssemblyUnited States: Arlington, Texas (Arlington Assembly, 1982-1983); Flint, Michigan (Buick City, 1978-1985); Framingham, Massachusetts (Framingham Assembly, 1978-1981); Fremont, California (Fremont Assembly, 1978-1981); Kansas City, Missouri (Leeds Assembly); Pontiac, Michigan (Pontiac Assembly, 1985-1987)
DesignerGray Counts[13]
Body and chassis
Body style2-door coupé (1978-1987)
4-door sedan (1982-1984)
5-door station wagon (1982-1983)
LayoutFR layout
PlatformA-body (1978–1981)
G-body (1982–1987)
Wheelbase108.1 in (2,745.7 mm)
Length200.6 in (5,095.2 mm)[14]
Width71.6 in (1,818.6 mm)
Height54.5 in (1,384.3 mm)

A downsized Regal appeared for the 1978 model year with Buick's new 196 cu in (3.2 L) V6 engine as standard equipment and a revised version of the venerable 231 cu in (3.8 L) V6 as an option (which became standard for 1980). Initially, a three-speed manual transmission was standard but this was later replaced by an automatic. At the time of introduction, Regals were available exclusively as coupés with the Century nameplate applied to standard equipment sedans and station wagons.[15] In January 1982 the Century was replaced by an all-new car on the front-wheel drive A platform, which meant that the Regal gained a four-door sedan and five-door station wagon - essentially facelifted and rebadged versions of the previous year's rear-wheel drive Century. It was the first time the name appeared on a full model lineup. The wagon was discontinued after 1983, and the sedan dropped from the lineup the next year.[16] This generation Regal lasted ten years. The base model was equipped with softer-riding luxury suspension, and did not offer a manual transmission in later years.[10]

The 1978 Regal could be equipped with a 3,791 cc (3.8 L; 231.3 cu in) Turbocharged V6 engine with automatic transmission, and was known as a Regal Sport Coupe. The Buick LeSabre was also available with the turbocharged engine. The only other turbocharged cars available in the U.S. market in 1978 were imports from Mercedes-Benz, Porsche and Saab. The Regal Sport Coupe also included a firm handling suspension with larger tires and sport wheels. Bucket seats and a center console with a T-shifter were also available.

For 1980, the Regal was offered in a special Somerset Limited Edition trim which featured unique tan and dark blue designer exterior paint, wire wheel covers, sport mirrors, and chrome Somerset badging. The interior had tan and blue plush velour upholstery, brushed chrome trim, and additional Somerset badging. A Somerset Limited Edition model was also offered on the restyled 1981 Regal. It had unique dark sandstone and camel exterior paint, sport mirrors, and turbine wheels. The interior's plush velour upholstery was camel with dark brown piping.

A major facelift for 1981 gave the Regal a much more aerodynamic profile, helping make it possible for the car to compete on the NASCAR racing circuit. The sloping hood and nose of the car made it the favorite of several NASCAR teams, and reduced the drag coefficient by eighteen percent. Richard Petty drove one to victory in the 1981 Daytona 500, and the car won a majority of the 1981 and 1982 seasons races and won the NASCAR manufacturers title in 1981 and 1982. Buick would remain the last marque other than Chevrolet or Ford to win the Cup Series manufacturers championship until Toyota scored its first in 2016.

V8s for street use were still available, but had shrunk to 265 cu in (4.3 L) (1980 and 1981 only, Pontiac built), and the V6 was rapidly gaining popularity. From 1986 to 1987, the 307 cu in (5.0 L) V8 was available as an option. The 3,791 cc (3.8 L; 231.3 cu in) 2-bbl V6 was standard. The 200-4R overdrive transmission was an option with either engine.

Production Figures:

Buick Regal Production Figures:[10]
Coupe Sedan Wagon Yearly Total
1978 236,652 - - 236,652
1979 273,365 - - 273,365
1980 214,735 - - 214,735
1981 123,848 - - 123,848
1982 136,259 74,428 14,732 225,419
1983 151,667 61,285 15,287 228,239
1984 166,039 58,715 - 224,754
1985 124,546 - - 124,546
1986 91,229 - - 91,229
1987 65,285 - - 65,285
Total 1,583,625 194,428 30,019 1,808,072

Grand National, Turbo-T and T-Type

1987 Buick Regal Grand National

In 1978, the first turbocharged Regal was introduced as the Regal Sport Coupe. Turbo versions were originally offered with either a two- or a four-barrel carburetor and 150 or 165 hp (112 or 123 kW), but the two-barrel option was removed for 1979.[17] Meanwhile, the four-barrel's maximum output crept up to 170 hp (127 kW). Power remained unchanged until 1982, when it crept back up to 175 hp (130 kW) and then 180 hp (134 kW) in 1983, when the Sport Coupe was replaced by the Regal T-Type.

In February 1982, the Grand National debuted, which was named for the NASCAR Winston Cup Grand National Series (the "Grand National" term was part of the Cup series nomenclature until 1986).[18] Buick had won the Manufacturers Cup in 1981 and 1982, and wanted to capitalize on its success: "What wins on Sunday, sells on Monday", and hoping to revive their performance image from the 1960s with the Buick Skylark Gran Sport. These 1982 cars were not painted black, which may confuse those not familiar with them. All started out as charcoal gray Regals that were shipped off to a subcontractor for finishing.

Originally intended for a run of 100 units, Cars and Concepts of Brighton, Michigan, retrofitted 215 Regals with the GN package. Most obvious was the light silver-gray firemist paint added to each side. Red pinstripes and billboard shadow lettering proclaiming "Buick" were applied. The wheel opening moldings and rocker panel moldings were blacked out using black vinyl tape. Finally, a front air dam and rear spoiler were installed. On the inside, special "Lear-Siegler" seats were installed. These seats are fully adjustable and were covered with silver brandon cloth with black vinyl inserts. The front seat had Buick's "6" emblem embroidered onto them. Also, a special clock delete plate was added to the instrument panel which contained the yellow and orange "6" logo and the words "Grand National Buick Motor Division".)

1987 Buick Regal Grand National
1987 Buick Regal Grand National
1987 Buick Regal Grand National interior

The 1982 GN came with a naturally aspirated 252 cu in (4.1 L) V6 engine with 125 hp (93 kW) at 4000 rpm and 205 lb⋅ft (278 N⋅m) of torque at 2000 rpm. Of the 215 Grand Nationals produced in 1982, at least 35 were based on the Buick Regal Sport Coupe package with the turbocharged 3,791 cc (3.8 L; 231.3 cu in) V6 engine with 175 hp (130 kW) at 4000 rpm and 275 lb⋅ft (373 N⋅m) of torque at 2600 rpm. There were only 2022 Sport coupes produced in 1982, and the number of cars with both the GN and Sport coupe packages is estimated to be fewer than 50.

For 1983, there was no Grand National. The Sport Coupe model was renamed the T-Type; 3,732 were produced (180 hp (134 kW) at 4000 rpm and 280 lb⋅ft (380 N⋅m) of torque at 2400 rpm). The power gains came courtesy of a low-restriction dual exhaust, stainless steel headers (rather than the original cast iron items), and other detail improvements. Drivability was improved thanks to better electronics for the exhaust gas recirculation system as well as the knock sensor.[17] The T-Type trim name had been used on other Buicks, starting with the Riviera in 1981 (in 1979 and 1980, it was the S-Type). Other improvements on the 1983 Regal T-Type included Hydro-Boost II brakes, 200-4R four-speed overdrive transmission replacing the earlier three-speed, and a 3.42 rear axle (7.5").[19] Inside there were new bucket seats and a sport steering wheel and quicker steering ratio, while the suspension was honed with a larger diameter anti-roll bar, altered spring rates, and re-valved shock absorbers.[17]

For 1984, the Grand National returned, now in all black paint. The turbocharged 3,791 cc (3.8 L; 231.3 cu in) became standard and was refined with sequential fuel injection, distributor-less computer-controlled ignition, and boasted 200 hp (149 kW) at 4400 rpm and 300 lb⋅ft (407 N⋅m) of torque at 2400 rpm. Only 5,204 turbo Regals were produced that year, only 2,000 of which were Grand Nationals. Because this was the first year of production of the computer-controlled sequential fuel injection and distributor-less ignition, this is often considered the year and model that started the development of the legendary intercooled Grand Nationals. The performance of this package was well ahead of its time and the "little V6" easily kept up with the bigger V8s. 14 mile (402 m) performance was listed at 15.9 seconds at stock boost levels of 10 psi (0.69 bar), while for the same year, the Chevrolet Camaro V6 was listed at 17.0 and the Chevrolet Corvette at 15.2 seconds.[20] Soon, performance enthusiasts determined the modifications that worked and the Grand Nationals easily broke into the 13-second territory. All Grand Nationals had the Lear Siegler-made cloth/leather interior which was only available for this year. An estimated 200 of the 1984 Grand Nationals were produced with the Astroroof option which makes these the rarest of the Grand Nationals.

For 1985, the Grand National remained unchanged.

1987 Buick Regal Grand National Engine. Visible Garret Factory Turbo Charger
1987 Buick Regal Grand National Engine. Visible Garret Factory Turbo Charger on 3.8 Liter V-6.

For 1986, a modified engine design with air-air intercooling boosted the performance even further to a specified 235 hp (175 kW) at 4000 rpm and 330 lb⋅ft (447 N⋅m) of torque at 2400 rpm. The Grand Nationals (quantity 5,512) and T-Types (quantity 2,384) were both produced in 1986. For 1987, performance increased 10 hp, to 245 hp (183 kW) and 355 lb⋅ft (481 N⋅m) of torque, however no design revisions were applied to the engine and systems. Buick dropped the T-Type package for Regal for 1987 models and opted for a "T" sport package instead. There were only 7,896 turbo Regals produced in 1986. In 1987, when turbo Regals reached their peak in popularity, a total of 27,590 turbo Regals were produced through December, with those models produced between September and December of that year window stickered as "1987½ Buick Grand National" vehicles.

For 1987, a lightweight WE4 (Turbo-T) option was offered. Only 1,547 of this variant were produced. The differences between a WE4 and the Grand National were the interior trim package, wheels, exterior badging, aluminum bumper supports, and aluminum rear drum brakes as opposed to the Grand National's cast iron, making the WE4 a lighter and faster car. The rear spoiler was only available as a dealer-installed option. 1987 was the only year that the LC2 turbo option was available on any Regal, making it possible to even see a Limited with a vinyl landau roof and a power bulge turbo hood. Turbo Regal Limiteds were one of the rarest models of turbo Regals produced second only to the GNX at 1,035 turbo Limiteds. Turbo Regal Limiteds could be ordered with many options with most having chrome external trim but for $35 could have been built with the full black-out trim WO2 option making them extremely rare (similarly, a base Regal could also be ordered with the Turbo 6, and, the WO2 blackout trim was also available; all rare). Limiteds were treated to a very luxurious interior with plush carpeting and optional bench pillow seats and a column shift. It was also possible to order the 1987 Regal T with the 5.0/307 V8 instead of the turbo 3.8/231 V6. The 1987 model would be the end of the manufacture of the RWD "G-Body" Regal, but GM had to extend the build of the Grand National to meet customer demand into December.


1987 Buick GNX
1987 Buick GNX rear

For the final year, 1987, Buick introduced the limited production GNX, for "Grand National Experimental", at $29,900 ($80,189 in 2023 dollars[9]). Made in partnership with McLaren Performance Technologies/ASC, Buick produced only 547 GNs with the interior trim package, that were then sent off to McLaren and upgraded into the Buick GNX. Buick underrated the GNX at 276 hp (280 PS; 206 kW) at 4400 rpm and a very substantial 360 lb⋅ft (488 N⋅m) at 3000 rpm of torque,[21] although actual output is 300 bhp (304 PS; 224 kW) and 420 lb⋅ft (569 N⋅m).[22] This was created to be the "Grand National to end all Grand Nationals".[23]

Changes made included a special Garrett AiResearch T-3 turbocharger with a ceramic-impeller blowing through a more efficient and significantly larger capacity intercooler with a "Cermatel (ceramic-aluminum) coated" pipe connecting the intercooler to the engine. A GNX specific EPROM, low-restriction exhaust with dual mufflers, reprogrammed turbo Hydramatic 200-4R transmission with a custom torque converter and transmission cooler, and unique differential cover/Panhard bar included more of the performance modifications. Exterior styling changes include vents located on each front fender, 16 inch black mesh style wheels with VR-speed rated tires, and deletion of the hood and fender emblems. The interior changes of the GNX included a serial number on the dash plaque and a revised instrument cluster providing Stewart-Warner analog gauges,[24] including an analog turbo boost gauge. The GNX used a unique torque arm that was mounted to a special, GNX only, rear differential cover, for increased traction. The torque arm rear suspension alters the suspension geometry, making the body lift while planting the rear tires down, resulting in increased traction. GNX #001 is the 1986 prototype currently owned by Buick and sometimes makes appearances at car shows around the US.

Dragstrip performance was measured as faster than the Ferrari F40 and the Porsche 930 with a 14 mile (402 m) time of 12.7 seconds at 113.1 mph (182 km/h) (0.3 and 0.8 seconds quicker, 2.9 and 13.3 mph (21 km/h) faster) and a 0-60 mph (97 km/h) time of 4.6 seconds (0.4 and 0.3 seconds quicker, respectively).[25]

The stealthy appearance of the all-black GNX and Grand National (and the resemblance of its grill to his helmet's mouthpiece), coupled with the fact that the Grand National was initially released during the popularity of Star Wars movies, earned it the title "Darth Vader's Car.” Due to the turbocharged six-cylinder engine, the Buick make, and the black paint Grand Nationals were sometimes referred to as the "Dark Side". The "Dark Side" contrasted with the more common V8 Mustangs and Camaros that were popular at the time.[26][27]

Third generation (1988)

Third generation
1993–1994 Regal sedan
Production1987–October 1996[28]
Model years1988–1996
AssemblyCanada: Oshawa (Oshawa Assembly)
Body and chassis
Body style2-door coupe
4-door sedan
LayoutFF layout
RelatedChevrolet Lumina
Oldsmobile Cutlass Supreme
Pontiac Grand Prix
Transmission4-speed automatic
1988–1992: 4T60
1993–1996: 4T60-E
Wheelbase107.5 in (2,730 mm)
Length1988–89 2dr: 192.2 in (4,882 mm)
1990–91 2dr: 191.6 in (4,867 mm)
1992–94 2dr: 193.6 in (4,917 mm)
1995–96 2dr: 193.9 in (4,925 mm)
1990–91 4dr: 194.6 in (4,943 mm)
1992–94 Custom & GS 4dr: 194.8 in (4,948 mm)
1992–94 Limited 4dr: 196 in (4,978 mm)
1995 4dr: 193.7 in (4,920 mm)
1996 4dr: 194.1 in (4,930 mm)
Width72.5 in (1,842 mm)
HeightSedan: 54.5 in (1,384 mm)
Coupe: 53 in (1,346 mm)

A new Regal appeared in October 1987 on the GM W platform as the first vehicle on that platform;[29] this generation ran with few changes for nine years. Though the new Regal returned to Buick's original concept in being offered only as a coupe and in being aimed once again squarely at the personal luxury buyer, it departed from tradition in being the first front-wheel-drive model, and in having no serious performance option or edition. Neither a V8 engine nor a turbocharged V6 was offered; the only engine available for 1988 was the Chevrolet 2.8 L V6, producing 125 hp (93 kW). From mid-1990, owing to the declining personal luxury car market, a four-door sedan version of the Regal was re-introduced (simultaneously as the Cutlass Supreme and Grand Prix, the latter offered as a sedan for the first time). However, sales of the new sedan were delayed until the 1991 model year.[10] The four-door version was intended as a replacement for the A-body based Century, however, the popularity of that model meant that it would remain in production as a lower priced alternative to the Regal until both cars were redesigned for 1997. This generation saw the installation of Dynaride, which was an air compressor that would pressurize the rear Chapman Struts to maintain a level overall ride height. A badge was installed on the dashboard to the left of the steering column on all vehicles equipped. It was not available on vehicles equipped with Gran Touring Suspension, which instead used a stiffer setup with traditional hydraulic rear struts.

Annual changes

The Regal was initially offered in base Custom and upscale Limited trim lines. For 1989, the Gran Sport trim line was added, featuring aluminum wheels, body side cladding and a console-mounted shifter attached to the 4-speed automatic. In mid-1990, the Regal gained the option of the Buick 3.8 L V6 with "Tuned-Port-Injection" (TPI).[30] The 3800 V6 was unique to the Regal amongst the W-body cars, differentiating it from the mechanically similar Chevrolet Lumina, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix. Anti-lock brakes were made standard on all but the base Custom cars from 1992.

For 1993, the Regal sedan received a minor facelift with a new hood and larger grille more reminiscent of the larger Buick models, as well as larger taillights. Along with this change came the introduction of an all new electronically controlled 4T60-E automatic transmission to replace the previous 4T60. For 1994, a driver's-side airbag was added, along with standard ABS on all models, standard power windows, and 20 hp (15 kW) more in the base engine due to a revised intake manifold and cylinder head. The Limited coupe was deleted; only the Custom and Gran Sport (GS) coupes remained.

For 1995, another facelift occurred with new smoothed out bumpers, taillights, and body cladding. The interior was completely redesigned to be more streamlined and ergonomically friendly with dual front airbags now standard. For 1996, the larger 3.8 L; 231.3 cu in (3,791 cc) V6 engine became the 3800 Series II and bumped power to 205 hp (153 kW) and 230 lb⋅ft (310 N⋅m). All models were now modified to be OBD II compliant. A special "Olympic Gold" edition (also available on Skylark) was added to celebrate Buick's partnership with the 1996 Summer Olympics, complete with gold accents and traditional Olympic logos on the exterior and interior.

Production Figures

Buick Regal Production Figures[10]
Coupe Sedan Yearly Total
1988 129,997 - 129,997
1989 88,757 - 88,757
1990 57,822 - 57,822
1991 36,681 89,879 126,560
1992 21,153 76,561 97,714
1993 25,740 57,563 83,303
1994 18,068 60,489 78,557
1995 18,106 71,557 89,663
1996 5,991 107,056 113,047
Total 402,315 463,105 865,420


  • 1988–1989 2.8 L (2,837 cc; 173.1 cu in) Chevrolet LB6 MFI V6, 125 hp (93 kW) and 160 lb⋅ft (217 N⋅m)
  • 1989–1993 3.1 L (3,135 cc; 191.3 cu in) Chevrolet LH0 MFI V6, 140 hp (104 kW) and 180 lb⋅ft (244 N⋅m)
  • 1994–1996 3.1 L (3,135 cc; 191.3 cu in) Chevrolet L82 SFI V6, 160 hp (119 kW) and 185 lb⋅ft (251 N⋅m)
  • 1990–1995 3.8 L (3,791 cc; 231.3 cu in) Buick L27 V6, 170 hp (127 kW) and 220 lb⋅ft (298 N⋅m)
  • 1996 3.8 L (3,791 cc; 231.3 cu in) Buick L36 V6, 205 hp (153 kW) and 230 lb⋅ft (310 N⋅m)

Fourth generation (1997)

Fourth generation
Regal GSE (US)
Also calledChevrolet Lumina (Philippines)
  • North America: 1996–2004
  • China: 1999–2008
Model years
  • North America: 1997–2004
  • China: 1999–2008
  • Philippines: 2005–2006
DesignerWayne Cherry
Wayne Kady (1993)
James C. Shyr (2003; exterior)
Body and chassis
Body style4-door sedan
LayoutFF layout
PlatformW-body 2nd Gen
Transmission5-speed manual (China, 2.0 L only)
4-speed 4T60-E automatic
4-speed 4T65-E automatic
4-speed 4T65-E HD automatic
Wheelbase109.0 in (2,769 mm)
Length196.2 in (4,983 mm)
Width72.7 in (1,847 mm)
Height56.6 in (1,438 mm)
SuccessorBuick LaCrosse

For the 1997 model year, the Century and Regal once again rode upon the same platform; the revised W platform that was shared with the Oldsmobile Intrigue, the Pontiac Grand Prix, the Chevrolet Lumina and Chevrolet Monte Carlo.[31] The Regal coupe was discontinued.

Differences between the Regal and Century were mostly cosmetic. As the upmarket version, the Regal offered larger engines and fancier trim, and once again boasted a newer version of the 3.8 L V6. While the Century was mainly a reliable, economy-minded car based upon the W-body, the Regal was fitted with many amenities, including heated leather seats (optional on the Century), a Monsoon 8-speaker surround sound system, dual climate control, and expansive interior space. Few changes occurred during this version's seven-year run. It offered 5-passenger seating on all trim levels like the Pontiac Grand Prix and Oldsmobile Intrigue (formerly Cutlass Supreme), unlike their predecessors that had optional 6-passenger seating and the Buick Century (formerly built on the A platform) which had standard 6-passenger seating.[10]

This period held the fastest Buick since the days of the 1987 GNX: the Buick Regal GS. This car was now supercharged instead of turbocharged, and produced 240 hp (179 kW) and 280 lb⋅ft (380 N⋅m) of torque. When introduced in January 1997,[32] Buick advertised the Regal GS as "The official car of the supercharged family".[33] Buick also released two other model types, the LSE and the GSE. The LSE stayed with the 200 hp (149 kW) engine with upgrades and the GSE stayed with the 240 hp (179 kW) supercharged engine with upgrades. Also, in 2000 Buick came out with a concept GSX that had an intercooled 3.8 L, but was supercharged rather than turbocharged. It had 295.24 hp (220.16 kW)

The North American Regal was replaced in 2005 by the Buick LaCrosse, also built on the W platform. The final 2004 Buick Regal rolled off the assembly line on June 1, 2004.[34]


  • 1997–2004 3.8 L L36 Series II V6
  • 1997–2004 3.8 L L67 Series II supercharged V6

Regal LS and GS performance

The 3800 Series II L67 Supercharged engine in a 1998 GS

The Regal LS from the factory had a 1/4 mile (≈400 m) elapsed time (ET) of 15.8 seconds and could do 0-60 mph in under 8 seconds. The supercharged Regal GS had a 1/4 mile ET of 14.9 seconds, and acceleration to 60 mph (97 km/h) took 6.7 seconds.[35] The Regal GS, equipped with the supercharged 3.8 liter V6 engine (L67) produced 240 hp (179 kW) & 280 lb⋅ft (380 N⋅m) of torque. The Regal GS's PCM has programming that activates torque management to reduce wheel spin at launch. The Regal LS was EPA rated at 19/30 MPG city/freeway while the supercharged Regal GS was EPA rated at 18/27 MPG city/freeway.

Regal LSX and GSX (SLP Performance)

Buick Regal GSX

In the 2003 and 2004 model years, Buick officially offered — in collaboration with Troy, Michigan based tuners, Street Legal Performance, aka SLP Performance — the Buick Regal GSX, with dealer-supplied and installed options for both LS and GS models. The SLP GSX offered three packages, marketed as stages. The Stage 1 package added 10 horsepower with the addition of a dual stainless steel cat-back exhaust system and free-flowing cold air induction system. The Stage 2 package added a Hypertech Power Programmer with an SLP custom calibration tune was included with the Stage 1 components — good for an extra 20 horsepower. The Stage 3 package added a 3.5-inch smaller diameter supercharger pulley to increase the boost. With an advertised 30 more horsepower than stock, the Stage 3 GSX was conservatively rated at 270 hp (201 kW) and 312 lb⋅ft (423 N⋅m) of torque.

As GSX parts remained directly available from SLP for many years, Regal GS sedan owners could have their cars independently customized to GSX appearance and performance by SLP dealers, including for Regal GS models from 1997 to 2004. An authentic Buick GSX can be verified from an SLP door jamb label with the correct part number for the kit.[36][37]

Joseph Abboud Edition

From 2001 to 2004 Buick offered a Joseph Abboud appearance package on both the GS and LS models. This package included either a solid taupe or two-tone taupe/chestnut leather seats, two-tone leather-wrapped steering wheel, leather shifter handle and boot, 16-inch aluminum wheels; and Joseph Abboud signature emblems on the front doors, floor mats, front-seat headrests, and taillights.


1999–2008 Buick Regal front quarter (China)
1999–2008 Buick Regal rear quarter (China)

General Motors and Shanghai Automotive Industry Corporation (SAIC) established a joint venture in 1997 called Shanghai GM, and had begun assembling the Buick Regal in Shanghai, China in April 1999.[38][39][40][41]

The Regal has sold well in the Chinese market as a large, relatively luxurious model, despite its high price, costing more than the North American version. The Chinese market Regal has different front- and rear-end styling compared to the North American version and different engines, including the 2.0 L L34, the 2.5 L LB8 V6 and the 3.0 L LW9 V6. Gearbox choices were a 4-speed automatic for V6 models, while four-cylinder variants are paired with an exclusive 5-speed manual gearbox. V6 models had a set of black dashboard gauges, while the four-cylinder models had white dashboard gauges. These models also had slightly different names: the entry-level model was the New Century, with more upscale models carrying the GL and GLX names. Later, G and GS models were added. Production for this generation ended in November 2008 in China being replaced by the Opel Insignia-based Regal.

The Chinese-built Regal was also sold in the Philippines from 2005 to 2006 as the Chevrolet Lumina, where it replaced the Opel Vectra. The 2.5 V6 was the only engine option.[42] The Chevrolet Lumina was discontinued from the Filipino market in 2006, leaving GM again without a mid-size sedan until the introduction of the eighth generation Chevrolet Malibu in 2013.

Fifth generation (2008)

Fifth generation
2011 Buick Regal CXL
Also calledOpel Insignia
Vauxhall Insignia
Chevrolet Vectra
Holden Insignia
Model yearsChina: 2009–2017
North America: 2011–2017
DesignerMark Adams (2006)[44]
Malcolm Ward (2006)
James C. Shyr
(2009, 2010; exterior)
Body and chassis
Body style4-door sedan
LayoutFF layout / F4 layout
PlatformGM Epsilon II SWB/GMX350
RelatedBuick LaCrosse
Chevrolet Malibu
Cadillac XTS
Saab 9-5
Wheelbase107.8 in (2,738 mm)
Length190.2 in (4,831 mm)
Width73.1 in (1,857 mm)
Height58.4 in (1,483 mm)
Curb weight3,600 lb (1,600 kg) (2011 CXL)
3,671 lb (1,665 kg) (2011 CXL Turbo)
PredecessorBuick LaCrosse
Buick Regal

The fifth-generation Buick Regal is a four-door, five-passenger, midsized sedan with a front engine, front-wheel drive layout.[45] According to GM published information, more than 41 percent of Regal buyers in the US came from non-General Motors brands, and more than 60 percent of CXL Turbo buyers were under the age of 55.[46]


The fifth generation Buick Regal rides on GM's Epsilon II platform and is mostly identical to the Opel Insignia. It first went into production in Rüsselsheim, Germany, in 2008.[47][48] The Shanghai GM twin of the Insignia was introduced in China as Buick Regal in December, 2008 for the 2009 model year.

GM originally planned to sell a modified version of the Opel Insignia in North America as the second generation Saturn Aura, but changed strategy after deciding to discontinue the Saturn brand.[49] The Regal utilizes unibody construction with galvanized steel front fenders, hood, roof and door panels and thermoplastic polyolefin (TPO) bumper covers.[47] The North American Regal weighs about 13 lb (6 kg) more than an equivalent Opel Insignia due to increased structural support in the B-pillar necessary to meet U.S. rollover standards.[50]

Buick's product manager director Roger McCormack stated in a 2010 consumer webchat that a coupé version was under heavy consideration, as well as the possibility for further body styles such as a convertible.[51] A Buick-badged Insignia Sports Tourer was also spied, but the following year a Buick spokesperson declared that there were no plans to sell a Regal wagon.[52][53]


GM presented the fifth-generation Regal to North American dealers on October 14, 2009, and introduced the Regal to the public in November 2009 at the LA Auto Show.[54] Sales of the Regal began in February 2010. In North America, the Regal is positioned below the larger, more expensive LaCrosse and above the Verano compact sedan which debuted late in the 2011 calendar year.


Buick Regal (China - facelift)

Production of the Shanghai GM variant of the Regal began in November 2008 and ended in July 2017. North American production at General Motors of Canada's Oshawa, Ontario, assembly plant was confirmed on November 25, 2009, and production began at Oshawa Car Assembly in February 2011.[55][56] The initial production for the North American market was done together with its Opel twin the Opel Insignia in the Adam Opel AG's Rüsselsheim, Germany assembly plant from March 1, 2010, to March 25, 2011 (33,669 cars in 2010 and 12,637 in 2011).[57][58]

Trim levels


The Regal debuted in North America with a 2.4L DOHC I4 engine rated at 182 hp (136 kW) and 172 lb⋅ft (233 N⋅m) of torque — using a Hydra-Matic 6T45 six-speed

The 2011 Regal manufactured in North America was offered in a single trim level, marketed as CXL, offered with two engine choices and seven option packages. Buick had planned to offer a lower-level trim called CX with cloth seats and a higher level trim called CXS, but those trim levels were not offered.[59]

CXL Turbo

The CXL Turbo comes equipped with a turbocharged 2.0L direct-injected Ecotec DOHC I4 rated at 220 hp (164 kW) and 258 lb⋅ft (350 N⋅m) of torque, mated to either an Aisin AF40 6-speed automatic or a 6-speed manual transmission, making the Regal Turbo the first Buick model to be offered with a manual transmission since the Buick Skyhawk ended production in 1989. The 2.0L turbo is the first direct-injected turbocharged production car capable of running on any blend of gasoline or E85 ethanol.[60]


2016 Buick Regal GS

At the 2010 North American International Auto Show in Detroit, GM showed a concept GS version of the Regal based on the Opel Insignia OPC and the Vauxhall Insignia VXR. The concept featured a 2.0L, 270 hp (201 kW), 295 lb⋅ft (400 N⋅m) high-output DOHC I4 turbocharged Ecotec engine, a 6-speed manual transmission and all-wheel drive.

The production GS left most of the concept specifications intact, but is front-wheel drive.[61] The GS features Buick's Interactive Drive Control System with GS mode, a choice of an FGP Germany F40-6 six-speed manual or Aisin AF-40 (G2) six-speed automatic transmission, high performance brakes with Brembo front calipers and high performance strut (HiPerStrut) front suspension. 19 inch wheels were offered standard, with 20 inch forged aluminum wheels available as an option.[62] The production version is equipped with GS-only high-output version of the Ecotec 2.0L turbo engine with 270 hp (201 kW) at 5300 rpm and 295 lb⋅ft (400 N⋅m) of torque at 2400 rpm. The GM LHU engine used in the GS trim makes 135 hp per liter - Buick's highest specific output ever.[63] The GS has a quoted 0 to 60 mph (97 km/h) time of 6.7 seconds (Motor Trend achieved 6.3 seconds) and a quarter mile time of 14.9 seconds.[64] The GS went on sale in fall 2011 as a 2012 model.[61][65]

Shanghai GM's locally produced variant of the Regal GS went on sale in China on September 15, 2011. The output of the 2.0L Turbo SIDI engine is 162 kW (217 hp), which is about 40 kW (54 hp) less than the production US-model. The torque is 350 N⋅m (258 lb⋅ft). and the top speed is claimed as 232 km/h (144 mph). The car is only offered in this case as a front-wheel-drive. There exist also some interior and exterior differences between the American and Chinese models.[66][67]

Sport Touring Edition

For 2016, the Regal added a new Sport Touring Edition which included unique 18-inch aluminum black pocket wheels and a rear lip spoiler. This remained in the lineup for this generation's final model year.


2012 Buick Regal with optional eAssist hybrid system

Beginning in 2011, Buick began offering the eAssist system in the Regal, The 2012 model year Regal is the second GM vehicle to offer eAssist after the 2012 Buick LaCrosse. The eAssist system is standard in the LaCrosse 2.5 L I4, but the eAssist powertrain is optional in the Regal.

The eAssist system adds a lithium-ion battery housed in the trunk, along with regenerative braking, engine stop/start, fuel cut-off, grille louvres that close at speed, underbody panels and low-rolling resistance tires. The eAssist system adds up to 15 hp (11 kW) to the standard 2.4L Ecotec engine during acceleration. Fuel economy for the Regal with eAssist is estimated at 26 mpg‑US (9.0 L/100 km; 31 mpg‑imp) city, 37 mpg‑US (6.4 L/100 km; 44 mpg‑imp) highway.[68]

2014 update

2014 Buick Regal eAssist

GM presented an updated 2014 Regal at the 2013 New York Auto Show. Changes included a revised interior and exterior, an increase to 258 hp (192 kW) and 295 lb·ft (400 N·m) of torque for the CXL Turbo and an available all-wheel drive option for the 2.0L engine/6-speed automatic transmission equipped vehicles. Changes for the GS included revised interior and exterior, a drop in power to match that of the CXL Turbo, and available an all-wheel-drive option offered for the 2.0L / six-speed automatic transmission equipped vehicles. The six-speed manual transmission was offered in the front-wheel-drive variant. Buick's VentiPorts reappeared starting with 2014 models, a styling feature first used by Buick in 1949.

Buick Regal Pre-Facelift Rear View
Buick Regal Facelifted Rear View

For mode lyear 2014, safety features included forward collision warning, lane-departure warning, blind-spot monitoring, rear cross-traffic alert, and a following-distance indicator. The foregoing are all part of a Driver Confidence package, while collision preparation, which pre-loads the brake system ahead of an imminent collision, and adaptive cruise control are available separately.[69]

Shanghai GM Regal Engines (Gasoline)
Engine model Type Displacement Power Torque Year
1.6T I4 1,598 cc 179 PS (132 kW; 177 hp) at 5,800 rpm 220 N⋅m (162 lbf⋅ft) at 2,200–5,400 rpm 2008–2017
2.0 1,998 cc 147 PS (108 kW; 145 hp) at 6,200 rpm 190 N⋅m (140 lbf⋅ft) at 4,600 rpm
2.0T SIDI 1,998 cc 220 PS (162 kW; 218 hp) at 5,300 rpm 350 N⋅m (258 lbf⋅ft) at 2,000–4,000 rpm
2.4 2,384 cc 170 PS (125 kW; 168 hp) at 6,400 rpm 225 N⋅m (166 lb⋅ft) at 4,800 rpm 2008–2010
2.4 SIDI 2,384 cc 186 PS (137 kW; 183 hp) at 6,200 rpm 240 N⋅m (177 lbf⋅ft) at 4,800 rpm 2011–2017

Sixth generation (2018)

Sixth generation
2019 Buick Regal Sportback in Canada
Also called
Model years2018–present (China)
2018–2020 (North America)
DesignerMark Adams
Malcolm Ward
Body and chassis
Body style4-door sedan (China)
5-door fastback sedan[70] (sportback)
5-door wagon (TourX)[71]
LayoutFF layout / F4 layout
PlatformE2XX platform
Electric motor
TransmissionAWF8F45 (8-speed) (I4 AWD)
GM 9-speed Hydramatic 9T65
(I4 FWD, V6 AWD)
CVT (30H China only)
Hybrid drivetrain
  • 1.5-kWh lithium-ion battery (30H)
Wheelbase111.4 in (2,830 mm)
Length192.7 in (4,890 mm)
196.4 in (4,990 mm) (TourX)
Width73.3 in (1,860 mm)
Height57.3 in (1,460 mm)
58.4 in (1,480 mm) (TourX)

On April 4, 2017, GM presented the sixth-generation 2018 Buick Regal at the GM Design Dome in Warren, Michigan; sales of the model line began in China on July 21, 2017.[72] In line with the previous generation, the Regal was developed by Opel in Germany as a counterpart of the Opel/Vauxhall Insignia, with Australia and New Zealand receiving the model line as the Holden ZB Commodore. Production of the American-market Regal moved from GM Canada to Opel in Rüsselsheim. Both the liftback and the wagon were shared with the Insignia and the Commodore.

Regal Sportback

Regal Sportback was offered as a fastback 5-passenger, 5-door liftback sedan, incorporating a hatchback within a sedan profile with additional cargo room and flexibility. Though larger in size than its predecessor, the Sportback weighed 300–500 lb (136–227 kg) less than the previous-generation Regal sedan.[73]

The Sportback was available with either front- or all-wheel drive. Powered by the LTG 2.0 L turbocharged inline-4 engine, front-wheel drive versions offer 250 hp (186 kW) at 5400 rpm and 260 lb⋅ft (353 N⋅m) at 2000 rpm; all-wheel drive versions produced 250 hp (186 kW) at 5500 and 295 lb⋅ft (400 N⋅m) at 3000 rpm, respectively.[74]

The Sportback bodystyle was offered in 1SV (base), Preferred, Essence, Avenir, and GS trims.

Regal TourX

The Regal TourX 5-door station wagon, a Buick version of the Opel/Vauxhall Insignia Country Tourer, was introduced along with the Sportback. The first Regal station wagon in 35 years, the TourX was the first Buick station wagon since the retirement of the Roadmaster and Century Estates after 1996.

Sized between the Subaru Outback and the Volvo V90 wagons, the TourX was styled with standard dark-gray plastic body cladding. While offered with standard all-wheel drive, the model was not branded as an off-road vehicle, but as a sportier touring vehicle. With 73.5 cubic feet of cargo space (matching the Outback), the TourX held the most cargo of any Buick vehicle (with the exception of the three-row Buick Enclave).

Sharing its engine with the Sportback, the TourX was fitted with a LTG turbocharged 2.0-liter inline-4, providing 250 hp (186 kW) and 295 lb⋅ft (400 N⋅m) with an eight-speed automatic transmission.[71]

The TourX was offered with 1SV (base), Preferred, and Essence trims (not offering the Avenir and GS versions).


Carried over from the previous generation, the Regal GS returned as a performance-oriented version of the Regal Sportback. Several revisions were made to the option package, as the previous LTG engine was replaced by a 310-horsepower (231 kW) 3.6 liter LGX V6 (shared with the Commodore VXR); the 6-speed manual and automatic transmissions were replaced by a 9-speed automatic. To accommodate the extra power, all-wheel drive was made standard.

Externally, the GS was distinguished by its own front fascia and grille and was fitted with its own instrument panel and front seats.


In December 2019, General Motors announced that it would stop importing the Buick Regal for North America after the 2020 model year.[75] Following the 2020 withdrawal of the Cascada and LaCrosse, Buick ended its 113-year run of manufacturing and marketing cars, that is sedans and sedan derivatives, in North America — in favor of sport utility vehicles (SUVs).

Alongside shifting consumer tastes, the discontinuation of the Regal in North America was also influenced by the sale of Opel and Vauxhall to PSA Group. While the latter did not operate in North America in 2017, at the end of 2019, PSA Group acquired FCA, which created Stellantis (the current parent company of Chrysler in North America).

In China, SAIC-GM continues to produce the Opel-designed Regal sedan, slotted between the Verano and LaCrosse sedans; the standard Regal and Regal GS underwent a model update for 2021.

In July 2023, the Regal received a second facelift, which now adopts Buick's new Pure Design philosophy and new corporate emblem. Despite this, only the front bumper was changed to bring the car in line with Buick's Pure Design lineup. The rest of the exterior, the interior, and powertrain remains the same.[76]


Calendar year United States China Canada
2009 N/A 80,401 N/A
2010 12,326 79,358 820
2011 40,144 78,844 2,846
2012 26,383 85,440 1,767
2013 18,685 86,050 740
2014 22,560 111,245 816
2015 19,504 110,637 968
2016 19,833 69,300 841
2017 11,559 61,619 662
2018 14,118 100,378
2019 10,363 123,587
2020 2,484 135,877
Total 197,959 1,060,366 9,460


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Buick Regal
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