GM C platform (1985)

GM C platform (1985) (also known as the C-Body) was a front wheel drive (FWD) automobile platform used by General Motors for its full-sized automobiles from 1985 through 1996. It was similar to the H platform, with both sharing the same 110.8 in wheelbase. Most C-body vehicles were replaced with cars on the related G, H, and K platform designations.

GM C platform (FWD)
1991-1996 Buick Park Avenue
ManufacturerGeneral Motors
Also calledC-Body
Body and chassis
ClassFull-size car
VehiclesBuick Electra
Buick Park Avenue
Cadillac De Ville
Cadillac Fleetwood
Cadillac Series 75
Cadillac Sixty Special
Oldsmobile 98
RelatedGM G platform (FWD)
GM H platform (FWD)
GM K platform (FWD)
SuccessorGM G platform

The Cadillac Series 75 limousine briefly made its return on this platform, stretched by 23.6" to a wheelbase of 134.4".


Years Model Next platform
1985–1987 Cadillac Series 75 -
1985–1992 Cadillac Fleetwood GM D platform
1985–1993 Cadillac De Ville GM K platform (FWD)
1987–1993 Cadillac Sixty Special -
1985–1990 Buick Electra -
1991–1996 Buick Park Avenue GM G platform (FWD)
1985–1996 Oldsmobile 98
1987–1993 Oldsmobile Touring Sedan