1. Chevrolet Chevelle Z16

Everybody knows about the Chevrolet Chevelle. But the Chevelle Z16 is a rare and almost secret model. That one letter and the number 16 makes a world of difference when it comes to collectivity and price. Basically, it’s a fully loaded regular Chevelle with all the go-fast options. It has the 396 V8 engine with a Muncie 4-speed gearbox and a heavy-duty suspension and equipment.

Even some dealers weren’t aware that this option existed. Chevrolet refused to market the Z16 for some reason, making this Chevelle a secret model. It was a high-performance car they produced for one year only and in just 200 examples. And that makes it an extremely rare and valuable piece of Chevrolet history.