Pontiac Bonneville

Pontiac Bonneville

Overview
Manufacturer	Pontiac (General Motors)
Production	1958–2005 1982–2005 (Canada)
Body and chassis
Class	Full-size (1957–1981 and 1987–2005) Mid-size (1982–1986)
Chronology
Predecessor	Pontiac Star Chief
Successor	Pontiac Parisienne (original full-size model) Pontiac G8

The Pontiac Bonneville is a full-size automobile which was built by Pontiac from 1957 to 2005. It was introduced as a limited production performance convertible during the 1957 model year. The Bonneville (known as the Parisienne in Canada until 1981), and its platform partner, the Grand Ville, are some of the largest Pontiacs ever built; in station wagon body styles they reached just over 19 feet (5.8 m) long, and were also some of the heaviest cars produced at the time (2.5 short tons, 5,000 lb or 2,300 kg).

History

Early development: 1954–1957

1957 Pontiac Star Chief Custom Bonneville convertible

The Bonneville name first appeared in 1954 on a pair of bubble-topped GM Motorama concept cars called the Bonneville Special. It entered the production lineup as a high-performance, fuel-injected luxury convertible within the Star Chief line in the 1957 model year and was loaded with every conceivable option as standard equipment with the exception of optional air conditioning and continental kit,^[1] This put the Bonneville in a Cadillac-like price range of $5,782.00 - more than double the base price of a Chieftain four-door sedan. A fully equipped Bonneville could cost more than a Cadillac. Only 630 units were produced that first year, making it one of the most collectible Pontiacs of all time. The following year it became a separate model, and it would endure until 2005 as the division's top-of-the-line model. The name was taken from the Bonneville Salt Flats in Utah, the site of much early auto racing and most of the world's land speed record runs, which was named in turn after U.S. Army officer Benjamin Bonneville.

First generation (1958)

First generation

Overview
Model years	1958
Body and chassis
Body style	2-door convertible 2-door hardtop
Layout	FR layout
Platform	B-body
Powertrain
Engine	370CID Tempest 395 255hp 4-bbl V8 370CID Tempest 395 300 hp "Tri-Power" V8 370CID Tempest 395 Fuel Injection 310 hp V8^[2]
Transmission	3-speed manual Super Hydra-Matic
Dimensions
Wheelbase	122 in (3,099 mm)^[2]
Length	211.7 in (5,377 mm)
Width	77.4 in (1,966 mm)^[2]

Bonneville became a separate model in 1958,^[3] available as a two-door hardtop or a convertible. It paced the Indianapolis 500 in its first year. As a separate model Bonneville had a significantly lower price tag of around $3,000 thanks to the demotion of most of the luxury items found on the 1957 Star Chief bodystyle from standard equipment to the option list. Also a 300 horsepower (220 kW) 370 cubic inches (6,100 cc) V8 with four-barrel carburetor and dual exhausts was now standard equipment. The fuel-injection system offered with the standard engine on the 1957 Star Chief bodystyle was now listed as an extra cost option but very few 1958 Bonnevilles were so equipped due to a towering price tag of over $500 USD, which was not considered a very good value considering that for less than $100 USD, a Tri-Power option was available with three two-barrel carburetors and even more power. The electric clock was standard.^[2]

For 1958, GM was promoting their fiftieth year of production, and introduced Anniversary models for each brand; Cadillac, Buick, Oldsmobile, Pontiac, and Chevrolet.^[4] The 1958 models shared a common appearance on the top models for each brand; Cadillac Eldorado Seville, Buick Roadmaster Riviera, Oldsmobile Holiday 88, Pontiac Bonneville Catalina, and the all-new Chevrolet Bel-Air Impala.

Second generation (1959–1960)

Second generation

Overview
Model years	1959–1960
Assembly	Pontiac, Michigan, United States Flint, Michigan, United States Ypsilanti, Michigan, United States Wentzville, Missouri, United States
Body and chassis
Body style	2-door convertible 2-door coupe 4-door sedan 4-door station wagon 4-door hardtop
Layout	FR layout
Platform	B-body
Powertrain
Engine	389CID Tempest 420 300 hp V8^[2]
Transmission	3-speed manual; Super Hydra-Matic^[5]
Dimensions
Wheelbase	124 in (3,150 mm)^[2]
Length	220 in (5,588 mm)

In its third year, the 1959 Bonneville became a full top-line series with the addition of the four-door hardtop sedan and Safari station wagon body styles. The Bonneville played an important part that year in the introduction of two of Pontiac's greatest marketing inspirations — the split grille and the Wide Track slogan. The latter was not just ad copy, either, as Pontiac pushed its wheels further out toward the fenders than anyone else and created what were considered to be the best-cornering full-size cars in the industry. Both the grille design and the Wide Track phrase remained part of Pontiac's image up to its termination. A "Safe-T-Track" differential, used to minimize wheel spin, was an option beginning in 1959.^[6]

Third generation (1961–1964)

Third generation
1962 Pontiac Bonneville convertible
Overview
Model years	1961–1964
Assembly	Pontiac, Michigan, United States Flint, Michigan, United States Ypsilanti, Michigan, United States
Body and chassis
Body style	2-door convertible 2-door hardtop 4-door hardtop 4-door sedan 4-door station wagon
Layout	FR layout
Platform	B-body
Related	Buick LeSabre Chevrolet Impala Pontiac Catalina/Laurentian Chevrolet Bel Air
Powertrain
Engine	389 cu in (6.4 L) V8 421 cu in (6.9 L) V8 400 cu in (6.6 L) V8
Transmission	3-speed manual; 4-speed manual; Hydra-Matic^[7]
Dimensions
Wheelbase	123 in (3,124 mm)^[8]
Length	218.9 in (5,560 mm)
Width	78.7 in (1,999 mm)

1961 Pontiac Bonneville Tri-Power Sports Coupe

1963 Pontiac Bonneville convertible

1964 Pontiac Bonneville coupé

Pontiac eight-lug rim. Full-size Pontiacs from 1960 to 1968 featured these unique, finned, eight-bolt rims, which aided in the cooling of the drum brakes.

The Bonneville remained Pontiac's costliest and most luxurious model throughout the 1960s and was instrumental in pushing Pontiac to third place in sales from 1962 to 1970.

The distinctive protruding grille made its appearance on all Pontiac products during the early 1960s, and was a modern revival of a similar appearance on Pontiac products during the 1930s and early 1940s, as demonstrated on the Pontiac Torpedo.

The Bonneville differed from its lesser Catalina and Star Chief counterparts by featuring more luxurious interior trim with upgraded cloth and Morrokide vinyl or expanded Morrokide upholstery in sedans and coupes, expanded Morrokide in Safari wagons and genuine leather seating in convertibles. Bonnevilles (with the exception of Bonneville Safari station wagons) were also (along with Star Chiefs) built on a longer wheelbase version of GM's B-Body. Also found in the Bonneville were instrument panels and door panels with walnut veneer trim, carpeted lower door panels, grab bar on the passenger side of the dash and courtesy lights and a rear arm rest. Beginning in 1964, a Bonneville Brougham option package was available that included an even more luxurious interior trim level with front and rear seats featuring center armrests, upgraded door panels and a standard Cordova (vinyl) roof with "Brougham" nameplates. The two-door hardtop was marketed as the "Sports Coupe", the four door pillarless models were called "Vistas".

Bonneville models were standard equipped with Hydra-Matic (through 1964) or Turbo Hydra-Matic (1965-on) automatic transmissions. Other options included power steering and power brakes as well as air conditioning. Other popular options included power windows, power seats, radio, cruise control, and 8-lug aluminum wheels that included integral brake drums for improved stopping power. The Bonneville also had more powerful standard V8 engines than other full-sized Pontiacs including the 389 cu in (6.4 l) or 400 cu in (6.6 l) V8s with four-barrel carburetors (power ratings of 303 to 340 hp (226 to 254 kW) depending on year) with many optional V8 offerings available including Tri-Power (three two-barrel carburetor) options on both the 389 cu in (6.4 l) and 421 cu in (6.9 l) V8s that offered up to 376 hp (280 kW) through 1966. For 1962, Pontiac also offered the 421 cu in (6.9 l) Super Duty with two four-barrel carburetors, rated at 405 hp (302 kW), as a US$2,250 option (when the base Bonneville listed at US$3,349).^[9]

Fourth generation (1965–1970)

Fourth generation

Overview
Model years	1965–1970
Assembly	Pontiac, Michigan, United States Flint, Michigan, United States Ypsilanti, Michigan, United States
Body and chassis
Body style	2-door convertible 2-door hardtop 4-door hardtop 4-door sedan 4-door station wagon
Layout	FR layout
Platform	B-body
Related	Buick LeSabre Chevrolet Impala Pontiac Catalina/Laurentian Chevrolet Bel Air Chevrolet Caprice
Powertrain
Engine	389 cu in (6.4 L) V8 421 cu in (6.9 L) V8 400 cu in (6.6 L) V8 428 cu in (7.0 L) V8 455 cu in (7.5 L) V8

1966 Pontiac Bonneville 4-Door Hardtop

1967 Pontiac Bonneville

1968 Pontiac Bonneville convertible

1969 Pontiac Bonneville convertible

For 1965, All GM "B" body cars were dramatically restyled. Swooping rooflines, rakish fender lines and the "Coke bottle" profile contributed to making one of the most popular body styles ever produced. The Bonneville got the new styling, with plenty of bright trim on the lower body sides and on the rear deck. Inside, new upholstery and instrumentation were featured. Drivetrains were essentially the same as 1964, except the Turbo Hydra-Matic transmission quadrant, which now featured "reverse" in between "park" and "neutral", instead of at the bottom of the selections (below "L"), the old arrangement having been sharply criticized as a safety hazard.

A General Motors corporate edict that took effect with the 1967 model year led Pontiac to discontinue the Tri-Power engine options on all of its cars. That year also brought a larger 400 cu in (6.6 L) V8 as the standard engine for Bonnevilles and other full-sized Pontiacs to replace the previous 389, while the 421 cu in (6.9 L) V8 was replaced by a new 428 cu in (7.0 L) engine that offered as much as 390 horsepower (290 kW). Also beginning in 1967, carburetion was changed. The previous standard 600 cfm Carter square bore four-barrel and optional Tri-Power was replaced with the new Quadarajet spread bore carburetor delivering 800 cfm, equivalent to the previous 1966 Tri-Power set-up. For 1969, a 360 hp (270 kW) 428 became the standard Bonneville engine, which in turn was replaced for 1970 by an even larger 455 cu in (7.5 L) V8 rated at 370 hp (280 kW).

The 1965-70 GM B platform was the fourth best selling automobile platform in history after the Volkswagen Beetle, Ford Model T, and the Lada Riva.

Fifth generation (1971–1976)

Fifth generation

Overview
Model years	1971–1976
Assembly	Pontiac, Michigan, United States Flint, Michigan, United States Ypsilanti, Michigan, United States
Body and chassis
Body style	4-door hardtop 2-door coupe 4-door sedan
Layout	FR layout
Platform	B-body
Related	Buick LeSabre Chevrolet Impala Pontiac Catalina/Laurentian Chevrolet Bel Air Chevrolet Caprice Oldsmobile 88
Powertrain
Engine	455 cu in (7.5 L) V8 400 cu in (6.6 L) V8
Dimensions
Wheelbase	126"^[10]
Length	226.2"^[11]

For 1971, the Bonneville was downgraded in the model hierarchy, as a new top line Grand Ville series was introduced. In effect, it replaced the discontinued Executive between the lower-priced Catalina and the Grand Ville. The Bonneville was offered in three body styles, a pillared four-door sedan, four-door hardtop sedan and two-door hardtop coupe. The standard engine for 1971-72 was a 455 cubic-inch V8 with two-barrel carburetor that was rated at 280 gross horsepower for 1971 and 185 net horsepower for 1972 and optionally available was the four-barrel version of the 455 rated at 325 gross horsepower in 1971 and 250 net horsepower in 1972. The on-paper power ratings reflect the change in power measurement undertaken by the industry for 1972. 1971 was also the first year for Pontiac and other GM divisions to reduce compression ratios on all engines across the board in order to enable use of lower-octane regular leaded, low-lead or unleaded gasoline, thanks to a corporate edict in preparation for the introduction of catalytic converters in 1975 to help meet increasing stringent federal (and California) emission requirements.

In mid-1971, a Turbo-Hydramatic transmission, power steering and power front-disc brakes became standard equipment on Bonneville and other full-sized Pontiacs (as well as other full-sized GM cars).

From 1973 to 1976, the Bonneville's standard engine dropped to a 170-horsepower 400 cubic-inch V8. Optionally available was the 455 four-barrel V8 rated at 250 horsepower (190 kW) for 1973-74 and 200 for 1975-76. In 1973, Bonneville was the only full-sized Pontiac to offer a "Radial Tuned Suspension" option package which included the steel-belted radial tires along with an upgraded suspension with Pliacell shock absorbers and front and rear sway bars. The RTS option was expanded for 1974 to all full-sized Pontiacs and radial-ply tires became standard on all 1975 models though an upgraded "RTS" package was still available as an option.

1975 saw the end of the pillarless 2-door hardtop model, replaced by a coupe with frameless door glass but with a thick "B" pillar and fixed rear "opera" window.

The 1975 model year introduced rectangular headlights - its frontal appearance was similar to the Cadillac DeVilles and Fleetwoods of the same era.

With the demise of the Grand Ville series after 1975, Bonneville once again became the top-line full-sized Pontiac series, with a Bonneville Brougham model featuring the luxurious interior appointments from the departed Grand Ville.

1976 was the last year of the Bonneville pillarless 4-door hardtop body style. Henceforth, all models would have a thick "B" pillar and metal-framed door glass. Adjustable pedals were optional.^[12]

Size comparison between 1974 and 1984 full-size Pontiac sedans

	1974 Pontiac Bonneville	1984 Pontiac Parisienne
Wheelbase	123.4 in (3,134 mm)	116.0 in (2,946 mm)
Overall length	226.0 in (5,740 mm)	212.0 in (5,385 mm)
Width	79.6 in (2,022 mm)	75.2 in (1,910 mm)
Height	54.2 in (1,377 mm)	56.4 in (1,433 mm)
Front headroom	38.9 in (988 mm)	39.5 in (1,003 mm)
Front legroom	42.3 in (1,074 mm)	42.2 in (1,072 mm)
Front hip room	62.0 in (1,575 mm)	55.0 in (1,397 mm)
Front shoulder room	64.3 in (1,633 mm)	60.6 in (1,539 mm)
Rear headroom	38.0 in (965 mm)	38.2 in (970 mm)
Rear legroom	38.8 in (986 mm)	38.9 in (988 mm)
Rear hip room	61.9 in (1,572 mm)	55.7 in (1,415 mm)
Rear shoulder room	63.5 in (1,613 mm)	60.5 in (1,537 mm)
Luggage capacity	19.5 cu ft (552 L)	20.8 cu ft (589 L)

Sixth generation (1977–1981)

Sixth generation

Overview
Model years	1977–1981
Assembly	Ypsilanti, Michigan, United States
Body and chassis
Body style	2-door coupe 4-door sedan 4-door station wagon
Layout	FR layout
Platform	B-body
Related	Buick LeSabre Chevrolet Impala Pontiac Catalina/Laurentian Chevrolet Caprice Oldsmobile 88
Powertrain
Engine	231 cu in (3.8 L) Buick V6 265 cu in (4.3 L) Pontiac V8 301 cu in (4.9 L) Pontiac V8 350 cu in (5.7 L) Pontiac V8 350 cu in (5.7 L) Buick V8 350 cu in (5.7 L) Chevrolet V8 305 cu in (5.0 L) Chevrolet V8 350 cu in (5.7 L) Oldsmobile diesel V8 400 cu in (6.6 L) Pontiac V8 403 cu in (6.6 L) Oldsmobile V8
Dimensions
Wheelbase	116.0 in (2,946 mm) (1979)
Length	214.3 in (5,443 mm) (1979)
Width	76.4 in (1,941 mm) (1979)^[13]

Bonneville would continue its flagship duties on the downsized big car line that was introduced for 1977. The downsized Bonnevilles (and Catalinas) were 14 inches (360 mm) shorter in length, over four inches (102 mm) narrower and 800 pounds lighter compared to their 1976 counterparts but had increased headroom, rear seat legroom and trunk space with much-improved fuel economy – a major selling point in the years following the 1973-74 energy crisis.

With the downsized 1977 models, only a pillared four-door sedan and two-door coupe (with optional opera windows) were offered as the hardtop sedans and coupes offered in previous years were discontinued across the board at all GM divisions. The Bonneville also regained the Safari station wagon as part of its model lineup for the first time since 1970 with woodgrained exterior trim and interior appointments shared with Bonneville coupes and sedans. The Safari was available in both 6 and 9-passenger configurations and featured a dual-action tailgate that could be opened to the side as a door or downward as a tailgate, rather than the disappearing clamshell tailgates found in 1971-76 full-sized Pontiac wagons.

Rear view of a 1978 Bonneville sedan

For 1980, all GM B-bodies received revised styling and aerodynamic improvements along with reduced weight.

The standard engine for Bonneville was Pontiac's new 301 cubic-inch V8 rated at 135 horsepower (101 kW) and optional engines included a 170-horsepower 350 or 180-horsepower 400 cubic-inch V8. A 185-horsepower Oldsmobile 403 cubic inch V8 was also an option. In later years, increasingly stringent fuel-economy standards mandated by the Corporate Average Fuel Economy (CAFE) regulations would lead to the discontinuation of the larger engines with a 231 cubic-inch Buick V6 becoming the standard engine on Bonneville coupes and sedans for 1980 and 1981 with the only optional V8s offered including 265 and 301 cubic-inch Pontiac-built gasoline engines or an Oldsmobile-built 350 cid diesel powerplant.

The Bonneville and Catalina, already the smallest-selling of GM's B-body line, suffered a serious drop in demand following the economic recession that began in the spring of 1979. With that, GM decided to pull the plug at the end of the 1981 model year. Along with them went the 301 engine, marking the end of Pontiac V8s. From now on, the division would use Chevrolet engines.

Seventh generation (1982–1986)

Seventh generation

Overview
Model years	1982–1986
Assembly	Sainte-Thérèse, Quebec, Canada
Body and chassis
Body style	4-door sedan 5-door station wagon
Layout	FR layout
Platform	G-body
Related	Buick Regal Oldsmobile Cutlass Chevrolet Malibu
Powertrain
Engine	3.8 L (231 cu in) Buick V6 5.0 L (305 cu in) Chevrolet V8 5.7 L (350 cu in) Oldsmobile Diesel, V8 4.4l 267
Transmission	3-speed THM200 automatic 4-speed 200-4R automatic
Dimensions
Wheelbase	108.1 in (2,746 mm)
Length	198.6 in (5,044 mm)^[14]
Width	71.3 in (1,811 mm)

The Bonneville nameplate didn't go anywhere following the discontinuation of full-sized Pontiacs and instead was simply swapped onto the midsized LeMans, which also suffered from poor sales, thus GM planners reasoned that attaching a more well-known model name to it would spark demand. This model had been produced since 1978 along with its siblings the Chevrolet Malibu, Oldsmobile Cutlass, and Buick Century, and sported a Buick 231 cid V6, Chevrolet 305 cid V8, or Oldsmobile 350 cid diesel V8. (A Buick 4.1 liter V6 was available in 1982.) The 1982-1986 models were officially known as the "Bonneville Model G", although later models were not badged as such. Styling was revised to bear a closer resemblance to the departed B-body Bonneville and coupes were dropped. GM also began marketing the Bonneville in Canada for the first time starting in 1984 (1982 and 1983 Canadian models carried the Grand LeMans name), as GM's full-size Bonnevilles in Canada were referred to as Parisienne.

While the previous LeMans, on which the new Bonneville was based, was classified as an A-Body, introduction of GM's new front wheel drive A-bodies (e.g. Pontiac 6000) in 1982 prompted the change to "Model G" on these RWD cars. 1983 was the last year for the G-body station wagon as the Pontiac 6000's wagon replaced it. The Bonneville sedan continued in base, Limited Edition (LE), and Brougham versions through 1986. The 1982-1986 Bonnevilles are direct descendants of the 1964 Pontiac Tempest. These 1982-1986 Bonnevilles were the smallest and the last of the old breed of Bonnevilles, having rear wheel drive, full perimeter frame (body on frame), and old-fashioned American car ride and styling.

Rear view of Bonneville "Model G"

Some Pontiac customers did not take to the "downsized" Bonneville as a portion of new-car buyers were switching their preferences from compact and mid-sized cars back to full-sized, V8-powered cars thanks to improving gasoline prices. Late in the 1983 model year, Pontiac reintroduced a full-sized car to the American market by bringing over the Canadian-built Pontiac Parisienne (which was essentially a restyled Chevrolet Caprice and powered by Chevrolet V6 or V8 engines). The Bonneville was then again one notch below the top of the line from late 1983 through 1986.

Eighth generation (1987–1991)

Eighth generation

Overview
Model years	1987–1991
Assembly	Ypsilanti, MI, United States 1987–1989 (early) Wentzville, MO, United States 1989 (late)–1991
Body and chassis
Body style	4-door sedan
Layout	Transverse front-engine, front-wheel drive
Platform	H-body
Related	Buick LeSabre Buick Electra Oldsmobile Eighty-Eight Oldsmobile Ninety-Eight Cadillac DeVille Cadillac Seville
Powertrain
Engine	3.8L LG3 Buick V6 Specifications Years Used: 1987–1988 •Family: GM Buick 90° V6 •RPO/VIN: LG3/3 •Displacement: 3,791 cc (231 cu in) •Stroke: 3.40 in (86 mm) •Bore: 3.80 in (97 mm) •Power: 150 hp (112 kW) at 4400 rpm •Torque: 210 lb·ft (285 N·m) at 2200 rpm •Fuel Type: Gasoline •Fuel System:SFI •Configuration: 12V/OHV •Compression: 8.5:1 •Aspiration: Normal 3.8L LN3 3800 Buick V6 Specifications Years Used: 1988–1991 •Family: GM Buick 90° V6 •Model: 3800 •RPO/VIN: LN3/C •Displacement: 3,791 cc (231 cu in) •Stroke: 3.40 in (86 mm) •Bore: 3.80 in (97 mm) •Power: 165 hp (123 kW) at 4400 rpm •Torque: 220 lb·ft (298 N·m) at 2800 rpm •Fuel Type: Gasoline •Fuel System:MPFI •Configuration: 12V/OHV •Compression: 8.5:1 •Aspiration: Normal
Transmission	4-speed THM440T4 automatic
Dimensions
Wheelbase	110.8 in (2,814 mm)
Length	198.7 in (5,047 mm) 1987–89 SE: 198.3 in (5,037 mm) 1990–91 SSE: 198.6 in (5,044 mm)
Width	1987–89: 72.4 in (1,839 mm) 1990–91: 72.1 in (1,831 mm)
Height	1987–89 LE & SE: 55.5 in (1,410 mm) 1987–89 SSE: 54.7 in (1,389 mm) 1990–91 LE & SE: 54.1 in (1,374 mm) 1990–91 SSE: 54.6 in (1,387 mm)
Curb weight	LE 3,325 lb (1,508 kg) SE 3,413 lb (1,548 kg) SSE 3,601 lb (1,633 kg)

Rear view of a 1987 Pontiac Bonneville SE

For 1987, the G-body Bonneville was dropped and replaced by a new FWD car that was in fact the Pontiac version of the one-year-old H Body platform with the Buick LeSabre and Oldsmobile 88. Initially, a 150 hp (110 kW) 3.8 L V6 was the sole engine, mated to a four-speed Hydramatic 4T60 automatic. The new Bonneville was placed on Car & Driver's “10 Best” list for 1987, offering both a base model and LE model. For LE models, an SE sport package was also available that featured a quicker gear ratio, sportier suspension and more standard features, as the Bonneville was intended to have a more sporty, European flavor than the LeSabre and 88.

1988

A host of trim level changes and a new engine became standard for the front wheel drive Bonneville's second year. First, a revised version of the LG3 was introduced. Renamed the LN3, it was the first use of the "3800" name. Featuring sequential-port fuel injection, the LN3 produced 165 hp (123 kW) and 210 lb·ft (285 N·m). Also new for 1988, the base model is dropped making LE the base model. Two new models are added, the midlevel SE (went from option package to trim) and line-topper SSE. The latter features an extra deep rear valence, lower body cladding, a digital compass/trip computer, an eight speaker premium sound system and much more.

1989–1991

For 1989, a compact disc player became optional and in 1990 a remote keyless entry system was added to the options list for all models. A facelift was made for the Bonneville in the 1990 model year by changing the grille & headlights. Suspension changes greeted the 1991 model year.

Ninth generation (1992–1999)

Ninth generation

Overview
Model years	1992–1999
Assembly	Wentzville, MO, United States 1992–1993 Lake Orion, MI, United States 1994–1995 Flint, Michigan, United States 1996–1999
Designer	John Folden 92-93 3.8L SC Series I L67 V6 94-95 3.8L SC Series I L67 V6 95-99 3.8L Series II L36 V6 96-99 3.8L SC Series II L67 V6
Body and chassis
Body style	4-door sedan
Layout	Transverse front-engine, front-wheel drive
Platform	H-body
Related	Buick LeSabre Oldsmobile 88 Oldsmobile LSS
Powertrain
Engine	3.8L Series I L27 V6 Specifications Years used: 1992–1994 •Family: GM Buick 90° V6 •Model: Series I 3800 •RPO/VIN: L27/L •Displacement: 3,791 cc (231 cu in) •Stroke: 3.40 in (86 mm) •Bore: 3.80 in (97 mm) •Power: 170 hp (127 kW) @ 4800 rpm •Torque: 225 lb·ft (305 N·m) @ 3200 rpm •Fuel type: gasoline •Fuel system:SEFI •Configuration: 12V/OHV •Compression: 9.0:1 •Aspiration: normal 3.8L Series I L67 V6 Specifications Years used: 1992–1993 •Family: GM Buick 90° V6 •Model: Series I supercharged 3800 •RPO/VIN: L67/1 •Displacement: 3,791 cc (231 cu in) •Stroke: 3.40 in (86 mm) •Bore: 3.80 in (97 mm) •Power: 205 hp (153 kW) @ 4400 rpm •Torque: 260 lb·ft (353 N·m) @ 2600 rpm •Fuel type: gasoline •Fuel system:SEFI •Configuration: 12V/OHV •Compression: 8.0:1 •Aspiration: supercharged 3.8L Series I L67 V6 Specifications Years used: 1994–1995 •Family: GM Buick 90° V6 •Model: Series I supercharged 3800 •RPO/VIN: L67/1 •Displacement: 3,791 cc (231 cu in) •Stroke: 3.40 in (86 mm) •Bore: 3.80 in (97 mm) •Power: 225 hp (168 kW) @ 5000 rpm •Torque: 275 lb·ft (373 N·m) @ 3200 rpm •Fuel type: gasoline •Fuel system:SEFI •Configuration: 12V/OHV •Compression: 8.0:1 •Aspiration: supercharged 3.8L Series II L36 V6 Specifications Years used: 1995–1999 •Family: GM Buick 90° V6 •Model: Series II 3800 •RPO/VIN: L36/K •Displacement: 3,791 cc (231 cu in) •Stroke: 3.40 in (86 mm) •Bore: 3.80 in (97 mm) •Power: 205 hp (153 kW) @ 5200 rpm •Torque: 230 lb·ft (312 N·m) @ 4000 rpm •Fuel type: gasoline •Fuel system:SEFI •Configuration: 12V/OHV •Compression: 9.4:1 •Aspiration: normal 3.8L Series II L67 V6 Specifications Years used: 1996–1999 •Family: GM Buick 90° V6 •Model: Series II supercharged 3800 •RPO/VIN: L67/1 •Displacement: 3,791 cc (231 cu in) •Stroke: 3.40 in (86 mm) •Bore: 3.80 in (97 mm) •Power: 240 hp (179 kW) @ 5200 rpm •Torque: 280 lb·ft (380 N·m) @ 3600 rpm •Fuel type: gasoline •Fuel system:SEFI •Configuration: 12V/OHV •Compression: 8.5:1 •Aspiration: supercharged
Transmission	1992–97: 4-speed 4T60-E automatic 1992–96: 4-speed 4T60E-HD auto 1998–99: 4-speed 4T65-E automatic 1997–99: 4-speed 4T65E-HD automatic
Dimensions
Wheelbase	110.8 in (2,814 mm)
Length	1992–95 SE: 199.5 in (5,067 mm) 1992–95 SSE & 1992–93 SSEi: 201.1 in (5,108 mm) 1996–97 SE: 201.7 in (5,123 mm) 1996–99 SSE: 203.1 in (5,159 mm) 1998–99 SE: 202.0 in (5,131 mm)
Width	1992–97: 74.5 in (1,892 mm) 1998–99: 74.4 in (1,890 mm)
Height	55.7 in (1,415 mm) 1998–99 SSE: 56.0 in (1,422 mm)

1995 Pontiac Bonneville SSE

In 1992, the interior and exterior of the car were completely redesigned. This generation hosted quite a few Bonneville firsts, becoming quicker and considerably safer. One of the most notable improvements over the previous generation was that the Bonneville SE now came standard with a driver airbag, while ABS was available as part of the sport appearance package. The SSE models came with standard ABS and traction control. The trims were redone once again, the LE trim (which had standard six-passenger seating) was removed, the SE was now the base model (the only model to offer six-passenger seating as an option), the SSE was now the mid grade and a new top of the line trim was now added, the SSEi. According to GM's Pontiac division, these trim acronyms have no implied meaning. The new N/A 3800 Series I (RPO: L27) engine was used, producing 170 hp (127 kW) and 225 lbf·ft (305 N·m), as well as the newly designed force inducted Series I 3800 (RPO: L67) equipped with an Eaton M62 roots type supercharger which made 205 hp (153 kW) and 260 lbf·ft (350 N·m). The newly revised N/A L27, for the 1992 model year only, was not equipped with an EGR Valve, and can be distinguished by its white intake manifold, as opposed to black from 1993 and on.

Abridged safety options list:

	ABS	Traction control	Driver airbag	Passenger airbag
92 SE	Optional (SLE)	Optional	Standard	N/A
92 SSE	Standard	Optional	Standard	Optional
92 SSEi	Standard	Standard	Standard	Standard
93 SE	Standard	Optional	Standard	Optional
93 SSE	Standard	Optional	Standard	Optional
93 SSEi	Standard	Standard	Standard	Standard
94 SE	Standard	Optional	Standard	Standard
94 SSE	Standard	Optional	Standard	Standard
94 SSEi	Standard	Standard	Standard	Standard
95 SE	Standard	Optional	Standard	Standard
95 SSE	Standard	Optional	Standard	Standard
95 SSEi	Standard	Standard	Standard	Standard

For 1993, the Sport Luxury Edition (SLE RPO: H4U) was offered. This is essentially an SE sub-trim with more standard features such as leather seats, electronic climate control, automatic headlights, premium sound, and "crosslace" alloy wheels, though certain items such as electronic climate control and premium sound could be deleted from an SLE equipped car. This option package designation remained only on the RPO sticker until 1998, when SLE badges were added to the exterior of the vehicle. This continued onto the '99 model year. Many more standard options were available with the SSE. The SSEi came standard with most of the available options in the lower models, including the supercharged 3800 (RPO: L67).

In 1994, a new Generation III Eaton M62 supercharger came, along with new OBD-1.5 capabilities, raising the horsepower to 225 hp (168 kW), while torque was raised to 275 lbf·ft (373 N·m). Also, this year introduced the new five-spoke "Torque Star" wheels. A resonator also became standard on the exhaust to lower the raspy tone that the engine produces. Passenger airbags also became standard on all models this year.

In 1995, the car retained the same appearance, but the SE and SSE trims received a new naturally aspirated engine, the Series II (RPO: L36). This engine made 205 hp (153 kW) and 230 lbf·ft (310 N·m). The SSEi remained equipped with the Series I SC 3800 (RPO: L67) engine until the 1996 model year, when it too was updated.

In March 2008, GM announced that these engines and other GM engines supplied with Dexcool antifreeze coolant might be prone to intake manifold failure and other problems with the cooling system if proper regular maintenance is not correctly performed. After settlement of a class-action lawsuit, GM agreed to compensate owners of many vehicles that suffered damage, regardless of negligence on the part of the consumer, if the consumer can prove damages.^[15]

1996–1999

In 1996, the exterior of the vehicle had undergone design changes. Some things were subtly reshaped, and other things, such as the tail lights, headlights, grille, and lower body cladding were drastically changed. The gap narrowed quite a bit regarding the exterior trim between packages. The previous generation showed an entirely different style of cladding and rear lighting for the SSE and SSEi, while this generation, at first glance, remains the same between the trims, with of course, the exception of the unique front bumper and grille. Also for 1996, the supercharged version of the 3800 Series II engine was introduced for the Bonneville. The SSEi and optionally the SSE got a new Eaton M90-supercharged L67, producing 240 hp (179 kW) and 280 lbf·ft (380 N·m). This engine was used from 1996 until it was retired from the Bonneville in 2003.

A new transmission, the 4T65-E was introduced in 1998 for the naturally aspirated 3800 installed in SE and SSE models, and the heavy-duty version, otherwise known as the 4T65E-HD was introduced in 1997 for the supercharged 3800 installed in the SSEi models.

Engine availability

170 hp (130 kW) L27 - SE (92-94), SLE (93-94), SSE (92-94)
205 hp (153 kW) L36 - SE (95-99), SLE (95-99), SSE (95-99)
205 hp (153 kW) L67 - SSE (92-93) optional, SSEi (92-93)
225 hp (168 kW) L67 - SLE (95) optional, SSEi (94-95)
240 hp (180 kW) L67 - SLE (96-97) optional, SSE (97) optional, SSEi (96-99)

Tenth generation (2000–2005)

Tenth generation

Overview
Model years	2000–2005
Assembly	Lake Orion, MI, United States 2000–2003 Hamtramck, MI, United States 2004–2005
Body and chassis
Body style	4-door sedan
Layout	Transverse front-engine, front-wheel drive
Platform	G platform^[16]
Related	Oldsmobile Aurora Buick LeSabre Cadillac Seville
Powertrain
Engine	3.8L Series II L36 V6 Specifications Years Used: 2000–2005 •Family: GM Buick 90° V6 •Model: Series I 3800 •RPO/VIN: L36/K •Displacement: 3,791 cc (231 cu in) •Stroke: 3.40 in (86 mm) •Bore: 3.80 in (97 mm) •Power: 205 hp (153 kW) @ 5200 rpm •Torque: 230 lb·ft (312 N·m) @ 4000 rpm •Fuel Type: Gasoline •Fuel System:SEFI •Configuration: 12V/OHV •Compression: 9.4:1 •Aspiration: Normal 3.8L Series II L67 V6 Specifications Years Used: 2000–2003 •Family: GM Buick 90° V6 •Model: Series II Supercharged 3800 •RPO/VIN: L67/1 •Displacement: 3,791 cc (231 cu in) •Stroke: 3.40 in (86 mm) •Bore: 3.80 in (97 mm) •Power: 240 hp (179 kW) @ 5000 rpm •Torque: 280 lb·ft (380 N·m) @ 3200 rpm •Fuel Type: Gasoline •Fuel System:SEFI •Configuration: 12V/OHV •Compression: 8.5:1 •Aspiration: Supercharged 4.6L Northstar LD8 V8 Specifications Years Used: 2004–2005 •Family: GM Premium 90° V8 •Model: Cadillac Northstar •RPO/VIN: LD8/Y •Displacement: 4,570 cc (279 cu in) •Stroke: 3.31 in (84 mm) •Bore: 3.66 in (93 mm) •Power: 275 hp (205 kW) @ 5600 rpm •Torque: 300 lbf·ft (407 N·m) @ 4000 rpm •Fuel Type: Gasoline •Fuel System:SEFI •Configuration: 32V/DOHC •Compression: 10.0:1 •Aspiration: Normal
Transmission	4-speed 4T65-E automatic 4-speed 4T65E-HD automatic 4-speed 4T80-E automatic
Dimensions
Wheelbase	112.2 in (2,850 mm)
Length	2000–01 SE: 202.5 in (5,140 mm) 2000–01 SLE & SSEi: 203.2 in (5,160 mm) 2002–05: 202.6 in (5,150 mm)
Width	74.2 in (1,880 mm)
Height	2000–01 SE: 56.0 in (1,420 mm) 2000–01 SLE & SSEi: 56.4 in (1,430 mm) 2002–05: 56.6 in (1,440 mm)
Curb weight	3,596 lb (1,631 kg) (SE) 3,656 lb (1,658 kg) (SLE) 3,745 lb (1,699 kg) (SSEi)

Pontiac Bonneville SLE

The 2000 Bonneville was redesigned from the ground up with significant advancements in design, engineering and technology which Pontiac dubbed "luxury with attitude." The Bonneville was now built on GM's G platform; however GM chose to continue to refer to it as the H platform.^[16] Staying true to Pontiac's Wide Track heritage it had the widest overall track in its competitive class at 62.6 inches up front and 62.1 inches (1,580 mm) in the rear. GM's StabiliTrak stability control system was introduced on the top-of-the-line supercharged SSEi model, later replaced by the GXP.

The Bonneville regained a V8 option on the GXP trim for 2004, its first since 1986, as a result of the discontinuation of the Oldsmobile Aurora. This opened up a "hole" in the GM lineup between Pontiac and Buick, allowing Pontiac to expand upmarket somewhat. The engine is Cadillac's 4.6 L (280 cu in) Northstar V8, producing 275 hp (205 kW), 300 lbf·ft (410 N·m) and giving 0 to 60 mph (0–97 km/h) in 6.5 seconds.

NHTSA crash tests for the 2005 Pontiac Bonneville resulted in a safety rating of 4-stars for the Driver and 5-stars for the Front Passenger.^[17]

Pontiac Bonneville GXP

For the last year of production, Pontiac gave the mid-level SLE the new GXP styling. The 2005 SLE featured all GXP styling cues, except the wheels, badging, muffler tips and engine all remained unique to the GXP.

2000 Pontiac Bonneville Salt Flats Custom Racer which set a 204 mph world record for a front wheel drive sedan on display in the Martin Auto Museum

Discontinuation

GM announced on February 8, 2005, that the Bonneville would be dropped from Pontiac's lineup for 2006. The last Bonneville left the assembly line on May 27, 2005. Only about 12,000 Bonnevilles were sold in 2005. With more than half of Pontiac dealers also selling Buick models, the Buick Lucerne along with the Chevrolet Impala continued as GM's only mainstream full-size cars until the introduction of the 2008 G8.

References

↑ pontiac they built excitment by thomas bonsall
1 2 3 4 5 6 Flory, Jr., J. "Kelly" (2008). American Cars, 1946-1959 Every Model Every Year. McFarland & Company, Inc., Publishers. ISBN 978-0-7864-3229-5.
↑ "Directory Index: Pontiac/1958 Pontiac/album". Oldcarbrochures.com. Retrieved 2011-12-11.
↑ Image of 50th Anniversary promotional photo
↑ "Directory Index: Pontiac/1961 Pontiac/1961_Pontiac_Prestige_Brochure". Oldcarbrochures.com. Retrieved 2011-11-12.
↑ "Directory Index: Pontiac/1959 Pontiac/1959_Pontiac_Prestige_Brochure". Oldcarbrochures.com. Retrieved 2011-11-12.
↑ "Directory Index: Pontiac/1963 Pontiac/album". Oldcarbrochures.com. Retrieved 2011-11-12.
↑ "Directory Index: Pontiac/1962_Pontiac/album". Oldcarbrochures.com. Retrieved 2011-11-12.
↑ Flory, J. "Kelly", Jr. American Cars 1960-1972 (Jefferson, NC: McFarland & Coy, 2004), pp.191 & 194.
↑ http://oldcarbrochures.com/static/NA/Pontiac/1972%20Pontiac/1972%20Pontiac%20Brochure/1972%20Pontiac-28.html
↑ http://oldcarbrochures.com/static/NA/Pontiac/1972%20Pontiac/1972%20Pontiac%20Brochure/1972%20Pontiac-28.html
↑ http://oldcarbrochures.com/static/NA/Pontiac/1976%20Pontiac/1976_Pontiac_Full_Line_Brochure/1976%20Pontiac%20Full%20Line-30.html
↑ "1979 Pontiac Bonneville performance, specs, data & photo". Automobile-catalog.com. Retrieved 2011-11-12.
↑ World Cars 1982. Herald Books. ISBN 0-910714-14-2.
↑ "Class Action Lawsuit" (PDF).
1 2 Frame, Phil (16 January 1995). "GM H CARS MOVE TO G PLATFORM". Automotive News. Archived from the original on 17 May 2013. Retrieved 17 May 2013.
↑ "5-Star Safety Ratings". Retrieved 2012-03-17.

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Pontiac road car timeline, 1950s–1980 — next »
Type	1950s										1960s										1970s										1980s
Type	0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0
Subcompact																								Astre
																											Sunbird
																											Acadian
Compact												LeMans
Compact												Tempest										Ventura II		Ventura				Phoenix			Phoenix
Mid-size															LeMans				LeMans					LeMans					LeMans
															Tempest									Grand Am					Grand Am
																				Custom S
Full-size				Pathfinder						Strato Chief		Strato Chief				Strato Chief
						Strato Chief			Strato Chief	Laurentian		Laurentian				Laurentian						Laurentian						Laurentian
									Laurentian	Parisienne		Parisienne				Parisienne / Grande Parisienne
	Chieftain					Chieftain			Chieftain	Catalina		Catalina				Catalina						Catalina						Catalina
							Super Chief		Super Chief	Super Chief	Ventura	Ventura					Ventura					Catalina Brougham							Parisienne
	Streamliner				Star Chief	Star Chief			Star Chief	Star Chief		Star Chief				Star Chief	Star Chief Executive	Executive				Bonneville						Bonneville
									Bonneville	Bonneville		Bonneville				Bonneville						Grand Ville				Grand Ville Brougham
Station wagon						Safari			Safari	Safari		Safari				Safari						Safari / Grand Safari						Safari / Grand Safari
Personal luxury													Grand Prix			Grand Prix				Grand Prix				Grand Prix					Grand Prix
Muscle car															GTO				GTO						GTO
Muscle car																		Firebird			Firebird
Grand tourer																2+2			2+2
Red denotes models which were exclusive to Canada

« previous — Pontiac, a division of General Motors, automobile timeline, 1980s–2010
Type	1980s										1990s										2000s										2010
Type	0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0
Subcompact	Sunbird	T1000			1000				LeMans													Matiz/G2					Matiz/Matiz G2
	Acadian
						Sunburst
						Firefly				Firefly					Firefly	Firefly										Wave				G3
Compact			J2000	2000		Sunbird				Sunbird						Sunfire										Pursuit/G4/G5
									Tempest															Vibe						Vibe
	Phoenix					Grand Am							Grand Am							Grand Am						G6
Mid-size	LeMans		Bonneville						Grand Prix									Grand Prix							Grand Prix
Mid-size	Grand Am		6000
Full-size	Laurentian
	Catalina
	Parisienne							Bonneville					Bonneville								Bonneville								G8
	Bonneville
Station wagon	Safari
Mid-size crossover																						Aztek					Torrent
Compact SUV															Sunrunner
Minivan											Trans Sport							Trans Sport/Montana								Montana SV6
Personal luxury	Grand Prix
Muscle car	Firebird		Firebird											Firebird											GTO
Sports					Fiero																						Solstice
Red denotes models which are exclusive to Canada
Green denotes models which are exclusive to Mexico

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