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Encyclopedia > GM G platform

The General Motors G platform (also called G-Body) automobile platform name was used twice. The current G-bodies use the front wheel drive version. General Motors Corporation (NYSE: GM), also known as GM, is a United States-based automobile maker with worldwide operations and brands including Buick, Cadillac, Chevrolet, Daewoo, GMC, Holden, Hummer, Opel, Pontiac, Saturn, Saab, and Vauxhall. ... An automobile platform is a shared set of components common to a number of different automobiles. ...

Contents


RWD

The first G-bodies were rear wheel drive and built from 1981 to 1988. This generation of cars actually began production in 1978 under the A-Body classification. The FWD A-Body was supposed to replace the old RWD A-Body cars in '81 but due to high sales, the RWD cars remained in production under the classification G-Body until they were replaced in 1988 with the new long-wheelbase GM W-Body platform. Rear wheel drive was a common form of engine/transmission layout used in automobiles throughout the 20th century. ... 1981 is a common year starting on Thursday of the Gregorian calendar. ... 1988 is a leap year starting on a Friday of the Gregorian calendar. ... The General Motors A platform (commonly called A-Body) was a midsize car automobile platform. ... The W-body is a automobile platform from General Motors which underpins midsize cars with front wheel drive. ...


The coupes with formal rooflines (Monte Carlo, Grand Prix, Cutlass Supreme, Cutlass Supreme Classic (1988), Cutlass Calais (until 1985), Cutlass Salon (1986-1987) and Regal) were dubbed G-Special. These Specials were known as A-Special prior to 1981.


Vehicles

This family consisted of:

Century is a model name used by Buick numerous times over a period of nearly 70 years. ... The Buick Regal was a mid-sized automobile produced by Buick in the United States between the 1973 and 2004 model years. ... The Buick Regal was a mid-sized automobile produced by Buick in the United States between the 1973 and 2004 model years. ... The Chevrolet El Camino, a car-based small pickup truck built by Chevrolet in the United States, was produced in response to the success of the rival Ford Ranchero. ... Chevrolet Malibu The Chevrolet Malibu (named for Malibu, California) is a midsize car produced and sold in the United States by General Motors. ... The Chevrolet Monte Carlo is a large coupe version of a sedan model. ... The Chevrolet El Camino, a car-based small pickup truck built by Chevrolet in the United States, was produced in response to the success of the rival Ford Ranchero. ... The Oldsmobile Cutlass is a type of automobile made by General Motors. ... The Oldsmobile Cutlass Supreme was an intermediate-size car produced by General Motors for the American market. ... The Oldsmobile Cutlass Calais was a compact car produced by General Motors from 1985 through 1991. ... Bonneville has been one of Pontiacs most enduring names, appearing as a high-performance, fuel-injected luxury convertible late in the 1957 model year and lasting until 2005. ... The Grand Prix name has been used on large Pontiac automobiles since 1962. ... 2005 Pontiac Grand Am Wikimedia Commons has more media related to: Pontiac Grand Am The Pontiac Grand Am began in 1973 as a mid-size car on the GM A body. ... The Pontiac LeMans was an intermediate-sized automobile offered by the Pontiac division of General Motors from 1963 to 1981, after which it was renamed the Pontiac Bonneville for the 1982 model year as part of the divisions downsizing after the fuel crises of the 1970s. ...

Performance vehicles

Performance applications include:

There is also speculation that 3 Hurst/Olds editions were made using 1988 Cutlass Supreme Classic bodies. These were not marketed through GM though. There was also a Hurst/Olds body kit available in 1988.
The 1986.5 Grand Prix 2+2 cosmetic features which included a NASCAR qualifying nose-cone was also available through GM for installation on any 1981-1987 Grand Prix. There were 17 Grand Prix GTs offered by Mertyle Motors in New York which offered a slightly different look and had some performance tuning in 1986.
  • 1987 Buick Regal T Turbo 3.8 L (231 in³) V6 Turbo
  • 1987 Buick Regal T (307 in³)
  • 1987 Buick Regal many base and Limited models featured the 3.8 L (231 in³) V6 Turbo
  • 1987 Buick GNX 3.8 L (231 in³) V6 Turbo
The 1987 GNX was made in conjunction with ASC/McLaren and 547 were made and included a unique suspension system, featured fender flares, had Stewart-Warner guages, and a net power of 276 hp (206 kW), above the 245 hp (183 kW) of the regular Grand National. There are many more features that set the GNX apart and are too many to list.

1972 Oldsmobile 442 The Oldsmobile 442 was a muscle car option package for the F-85 and Cutlass models sold in the United States from the 1964 model year. ... The Buick Regal was a mid-sized automobile produced by Buick in the United States between the 1973 and 2004 model years. ... The Chevrolet El Camino, a car-based small pickup truck built by Chevrolet in the United States, was produced in response to the success of the rival Ford Ranchero. ... 1979 Hurst/Olds W-30 Wikimedia Commons has more media related to: Oldsmobile Hurst/Olds Following the success of Hurst components in Oldsmobiles 1970s 442 models, the two companies produced two special-edition performance versions of the Cutlass Supreme, the Hurst/Olds. ... Chevrolet Malibu The Chevrolet Malibu (named for Malibu, California) is a midsize car produced and sold in the United States by General Motors. ... 1979 Hurst/Olds W-30 Wikimedia Commons has more media related to: Oldsmobile Hurst/Olds Following the success of Hurst components in Oldsmobiles 1970s 442 models, the two companies produced two special-edition performance versions of the Cutlass Supreme, the Hurst/Olds. ... The Chevrolet Monte Carlo is a large coupe version of a sedan model. ... The Buick Regal was a mid-sized automobile produced by Buick in the United States between the 1973 and 2004 model years. ... The Buick Regal was a mid-sized automobile produced by Buick in the United States between the 1973 and 2004 model years. ... 1972 Oldsmobile 442 The Oldsmobile 442 was a muscle car option package for the F-85 and Cutlass models sold in the United States from the 1964 model year. ... The Chevrolet Monte Carlo is a large coupe version of a sedan model. ... The Grand Prix name has been used on large Pontiac automobiles since 1962. ... The Buick Regal was a mid-sized automobile produced by Buick in the United States between the 1973 and 2004 model years. ... The Buick Regal was a mid-sized automobile produced by Buick in the United States between the 1973 and 2004 model years. ... The Buick Regal was a mid-sized automobile produced by Buick in the United States between the 1973 and 2004 model years. ... The Buick Regal was a mid-sized automobile produced by Buick in the United States between the 1973 and 2004 model years. ...

FWD

The second G-body platform (the GMX690) was used for front wheel drive luxury cars from 1995. The new G-body was based on Cadillac's K-body architecture. The Buick Riviera moved up from the GM E platform, while the Oldsmobile Aurora was a new model. The Buick Park Avenue migrated to the G-body in 1997 and remained unchanged until its demise for 2005. The G platform was refreshed for 2000 and a two more large sedans moved to it, the Buick LeSabre and Pontiac Bonneville. Front wheel drive is the most common form of engine/transmission layout used in modern automobiles, where the engine drives the front wheels. ... A luxury car is a relatively expensive car. ... 1995 was a common year starting on Sunday of the Gregorian calendar. ... Cadillac is a brand of luxury automobile, part of the General Motors corporation, produced and mostly sold in the USA; outside of North America, they have been less successful. ... The General Motors K platform (commonly called K-Body) was the basis of the Cadillac Seville model over two entirely different automobile platforms. ... 1965 Buick Riviera The Buick Riviera was an automobile produced by Buick in the United States between the 1963 and 1999 model years. ... The General Motors E platform (commonly called the E-Body) was a front wheel drive personal luxury car automobile platform produced from 1966 to 2002. ... 1995 Oldsmobile Aurora 2003 Oldsmobile Aurora 2003 Oldsmobile Aurora The Oldsmobile Aurora was launched in 1995. ... 2001 G-body Buick Park Avenue The Park Avenue was a full-size luxury car from Buick. ... 1997 is a common year starting on Wednesday of the Gregorian calendar. ... 2005 is a common year starting on Saturday of the Gregorian calendar and is the current year. ... This article is about the year 2000. ... The Buick LeSabre is a fullsize car made by the Buick Motor Division of General Motors. ... Bonneville has been one of Pontiacs most enduring names, appearing as a high-performance, fuel-injected luxury convertible late in the 1957 model year and lasting until 2005. ...


With the demise of the Bonneville, Park Avenue, and LeSabre after 2005, the only remaining G-body car will be the Buick Lucerne. This vehicle again shares a platform which is similar to the K-body. The K-body cars will also be replaced by a single ongoing model, the Cadillac DTS. 2005 is a common year starting on Saturday of the Gregorian calendar and is the current year. ... The Buick Lucerne is a full-sized automobile which will replace the Park Avenue in 2006 and the LeSabre in 2007. ... The General Motors K platform (commonly called K-Body) was the basis of the Cadillac Seville model over two entirely different automobile platforms. ... The Cadillac DTS replaces the Cadillac DeVille as that carmakers largest luxury car for the 2006 model year. ...


The G-body features a four-wheel independent suspension. An Independent Suspension is an automobile suspension system that allows the wheels on an axle to move independent of each other. ...


Applications:

Years Wheelbase Model Previous platform
1995-1999 113.8 in Buick Riviera GM E platform
1995-1999 Oldsmobile Aurora New
1997-2005 Buick Park Avenue GM C platform
2000-2003 112.2 in Oldsmobile Aurora
2000-2005 Buick LeSabre GM H platform
2000-2005 Pontiac Bonneville GM H platform
2006+ 115.5 in Buick Lucerne

  Results from FactBites:
 
GM J platform at AllExperts (443 words)
The J platform, or J-body, was General Motors' inexpensive front-wheel drive automobile platform from the 1980s and 1990s.
The first J-body car was the Chevrolet Cavalier, which was released on March 21, 1981 as a 1982 model.
There are three generations of the J-body: 1982 to 1987 (or until 1988 or 1989 depending on the model), 1988 to 1994, and 1995 to 2005.
AISI | Use of ULSAB Technologies by Automakers Growing Rapidly (1067 words)
The new GM "G" platform (Cadillac DeVille, Buick LeSabre, Pontiac Bonneville and Oldsmobile Aurora) uses a tailor welded blank for the body side inner panel, similar to a body side outer panel used in ULSAB.
GM has been using hydroforming for a similar roof rail application as ULSAB in the body structure of such vehicles as the Buick Park Avenue and Cadillac Seville.
GM also is using this technology for the front part of the main frame members for the Sierra/Silverado trucks.
  More results at FactBites »

 
 

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