3. Buick 455 Stage 1 V8
The Buick 455 Stage 1 V8 brought a unique voice to the muscle car era, especially in the early ‘70s Gran Sports. Its sound is defined by a muscular, throaty growl and a low-frequency burble that set it apart from its Chevy and Pontiac counterparts. This unmistakable auditory signature helped the Stage 1 earn a devoted cult following. For many enthusiasts, its deep exhaust rumble and smooth delivery made it the best-kept secret of the era. Source