7. 1973 Buick Century GS Stage 1
The 1973 Buick Century GS Stage 1 proved that muscle car power could survive the new emissions era. Powered by a 455-cubic-inch V8, it delivered impressive torque and acceleration, even as regulations began to tighten. Its restrained styling, with only subtle GS badges and hood scoops, helped it blend in while hiding its true performance nature. The Century GS Stage 1 was a rare and formidable force on the street. Read more here.