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 badge engineered luxury coupes and sedans offered in the 1970s by Buick, Pontiac, and Oldsmobile appeared around the same time as the competing Ford Granada and Plymouth Volare.
- 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)
- Acadian (1962–1971)
1968–1974 GM X-bodies positioned the steering linkage behind the steering gear ("rear steer" - also shared with the 1967-69 F platform), whereas 1975–1979 models had the steering linkage forward of the steering gear ("front steer" - shared with the second generation (1970-81) F platform including the 1973-77 A platform and 1977-96 B platform (control arms, steering knuckle assembly except steering linkage and front sway bar).
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.