Buick's rarest muscle car was the 1966 ... on the muscle car boom of the 1960s by offering its iconic Wildcat model with a Grand Sport trim level, which turned the coupe cruiser into a beast.

A 1965 Buick Riviera Gran Sport with the same Super Wildcat engine sold for $79,520 in 2020. Another Super Wildcat ...

We borrow a Buick Riviera Gran Sport, because on form ... available with only one engine and one transmission, unlike the Wildcat which offers all of the dozens of engine/transmission per ...