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

11. 1970 AMC AMX

The 1970 AMC AMX set itself apart with its rare two-seater configuration—a bold move in the muscle car market. Packing a powerful 390 V8, the AMX delivered impressive speed and handling.
Long considered an underdog, the AMX has seen substantial value jumps as collectors rediscover its distinctive design and performance. Recent auction results highlight its newfound status as a prized muscle car with a unique legacy.