20. 1974 Pontiac GTO
The 1974 Pontiac GTO has long been controversial for its compact design and departure from earlier models, leading to years of relative obscurity. Today, however, collectors are seeking out these unique muscle cars, driving prices higher. Surviving examples are now selling for over $20,000, a sharp increase from just a few years ago. As demand grows for offbeat classics, the 1974 GTO is finally earning its place in the spotlight.