The Pontiac Sunfire shared a redesign with a line built on which platform?
Chevrolet Cavalier The Chevrolet Cavalier is a line of small family car automobiles produced for the model years 1982 through 2005 by Chevrolet. Built on the General Motors J platform, the Cavalier achieved its highest sales in 1984.
GM H platform The H Platform, or H-body, name has been used twice by General Motors. The 1970s H-body was an inexpensive rear-wheel drive compact automobile platform from the 1970s, used for the Chevrolet Vega and Monza and their derivatives. The 1980s H-body was a front-wheel drive full-size car platform, and was the basis for GM's second generation downsized full-size cars, such as the Buick LeSabre/Electra, Oldsmobile 88/98, and Pontiac Bonneville.