GM X platform (1962)
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|GM X platform (RWD)|
1976 Chevrolet Nova
|Body and chassis|
|Related||GM F platform
GM K platform
|Wheelbase||110 in (2,794 mm) 1962-1967
111 in (2,819 mm) 1968-1979
|Successor||GM X platform (FWD)|
The rear-wheel drive X-body underpinned the Chevrolet Nova and similar cars of the 1960s and 1970s. It was also the basis for the Cadillac Seville's K platform and many components were shared with the contemporary F platform. Entry level luxury coupes and sedans offered by Buick, Pontiac, and Oldsmobile appeared around the same time as the competing Ford Granada.
- Chevrolet Chevy II (1962–1967)
- Chevrolet Nova (1968–1979)
- Buick Apollo (1973–1974; 1975 sedan only)
- Buick Skylark (1975 coupe only; 1976–1979)
- Oldsmobile Omega (1973–1979)
- Pontiac Ventura (1971–1977)
- Pontiac Phoenix (1977–1979)
1968–1974 GM X-bodies positioned the steering linkage behind the steering gear ("rear steer"), whereas 1975–1979 models had the steering linkage forward of the steering gear ("front steer").
In the early 1970s, it was noticed that the first letter of each X-body model name (Nova, Omega, Ventura, Apollo) spelled out "NOVA", the cheapest model of the quartet.