Buick's rarest muscle car was the 1966 Super Wildcat GS, with only 21 units ever produced, featuring a powerful V8 engine. The Super Wildcat GS struggled with sales due to high pricing, with the ...

This was Buick's first 13-second car since the 1970 GSX and the fact that it came out in the '80s made it the fastest car of the decade. Not just the fastest American car, but a super-car killer ...