Equipped with powerful engines and features considered premium on performance cars, these rigs were considered "the gentlemen's muscle cars" back in the day.

For example, a ’71 GS 455 Convertible with the Stage 1 engine ... The post Red from Day One: 1971 Buick GS Convertible ...

Prices shown are the prices you can expect to pay for a 1970 Buick Gran Sport 2 Door Convertible (455) across different levels of condition. Edit options.

Prices shown are the prices you can expect to pay for a 1972 Buick Gran Sport 2 Door Convertible (455) across different levels of condition. Edit options.