The Plymouth Gran Fury was the full-size car marketed against the Chevrolet Impala/Caprice and the Ford Galaxie/LTD. As performance cars became less popular in the 70s, the more luxurious Gran Fury replaced the Sport Fury as the top model. The Gran Fury became a bigger car on a different platform from the standard Fury in 1975. These Gran Fury models also served as the basis for the Sport Suburban station wagons. All Plymouth Gran Furies used Chrysler's legendary torsion bar front suspension. The rare R-Body and smaller M-Body were big hits in fleet sales thanks to their reliable drive trains, big size, and low cost. If you were pulled over sometime in the 70s or 80s, there was a good chance the police were driving a Gran Fury.