14: Buick Riviera GS
GM had a lot of different brands on the table in the 1960s and Buick was one of them. Buicks weren’t marketed as performance cars, but the Riviera GS still latched onto consumers. The aggressive styling and quick performance made the car a welcomed addition to the muscle car space. The Buick Riviera GS is strongly considered one of the best muscle cars that money can buy.
The resale value of it is among the highest of the GM cars that were built on this platform. If you’re considering a Buick Riviera GS, you are going to not only spend a lot of money but also a lot of time searching for one.