GM P-90 platform
| GM N Platform | |
|---|---|
 |
|
| Overview | |
| Manufacturer | General Motors |
| Also called | P-90 GMX130 |
| Production | 1985–2005 |
| Body and chassis | |
| Class |
Compact (C) platform Mid-size (D) platform |
| Layout | FF layout |
| Body style(s) | 4-door Sedan 2-door Coupé |
| Vehicles | Buick Skylark, Buick Somerset, Chevrolet Malibu/Classic, Oldsmobile Achieva, Oldsmobile Alero, Oldsmobile Calais/Cutlass Calais, Oldsmobile Cutlass, Pontiac Grand Am |
| Related |
GM J platform GM L platform |
| Powertrain | |
| Engine(s) |
122 I4 Ecotec I4 Iron Duke I4 Family II engine I4 Quad-4 I4 60° V6 Buick V6 |
| Transmission(s) | 3-speed THM125 automatic 3-speed 3T40 automatic 4-speed 4T60-E automatic 4-speed 4T40-E automatic 4-speed 4T45-E automatic 5-speed Getrag 282 manual 5-speed Getrag F23 manual 5-speed Isuzu manual |
| Dimensions | |
| Wheelbase | 103.4 in (2,630 mm) 107 in (2,700 mm) |
| Chronology | |
| Predecessor |
GM X platform GM L platform |
| Successor | GM Epsilon platform |
The General Motors N platform (commonly called the N-body or N car) was a front-wheel drive compact automotive platform produced from 1985 to 2005. The GM N platform replaced the GM X platform.
The N platform was very similar to the GM L platform; however, the first generation N cars were engineered by Oldsmobile while the L cars were engineered by Chevrolet. The first generation used a twist-beam rear suspension and MacPherson struts in front, and featured a 103.4 in (263 cm) wheelbase. Two- and four-door models were eventually offered, although the four-door sedans appeared late, almost two years after the initial launch.
The N platform was used for the following vehicles:
In 1997 and 1998 General Motors consolidated the 1st generation N platform with the GM A platform (FWD) and GM L platform during the corporately-engineered P-90 project which became known as GMX130. This automotive platform featured fully independent suspension and a wheelbase of 107 in (270 cm). This was the last vehicle with significant engineering involvement of Oldsmobile and also the last one produced at the Lansing Car Assembly plant on April 29, 2004. A mid-size version spawned the 1997-2003 Chevrolet Malibu & Oldsmobile Cutlass of 1997-99, including the 2004-05 Chevrolet Classic.
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