20 Muscle Cars That Skyrocketed in Value Since the ’70s

5. 1970 Chevrolet Chevelle SS 454 LS6

The 1970 Chevrolet Chevelle SS 454 LS6 is the epitome of raw American muscle. Powered by the monstrous 454-cubic-inch LS6 engine, this Chevelle delivered an astounding 450 horsepower, making it one of the most powerful street cars of its era.
Collector demand has pushed values sky-high, with recent auctions, like those reported by Mecum, showcasing six-figure sales for pristine examples.