The W-platform was a General Motors automotive platform underpinning both mid size and full-size front-wheel drive cars — across the platform's three generations from 1987-2016.

The General Motors G platform was an automobile platform designation used for mid-sized rear-wheel drive cars. It made its first appearance from the 1969 to 1972 model years, adapted from GM's A-body, and reappeared from 1982 to 1988. The second series of G-bodies began production designated as A-body cars in 1978, but were redesignated as G-body when the new front-wheel drive A-body platform was introduced in 1982.