15 Forgotten Muscle Cars That Hit Harder Than a Hellcat

1. 1970 Buick GSX Stage 1

Don’t let the refined exterior fool you—the 1970 Buick GSX Stage 1 was a true powerhouse. Beneath its hood lurked a 455-cubic-inch V8, pumping out a jaw-dropping 510 lb-ft of torque. That figure eclipses many modern muscle cars, including today’s legends.
Often overshadowed by flashier rivals, the GSX Stage 1 could launch off the line with ferocity, earning respect from those in the know.
It’s a prime example of stealthy strength from Detroit’s golden era.