Pontiac Bonneville (fifth generation, 1971 to 1976)

For 1971 the Bonneville was downgraded in the model hierarchy, as a new top line Grand Ville series was introduced. The standard engine for 1971 and 1972 was a 455 cubic inch V8 with a two barrel carburetor, mid 1971 made the Turbo Hydramatic, power steering and power front disc brakes standard, and the pillarless two door hardtop ended in 1975. Its model years run from 1971 to 1976. It was a six year generation, ending after 1976.