6. Chevrolet Corvette L88 Convertible – $3.2 million

The C2 Corvette was produced from 1963 to 1967, and collectors highly seek after all examples. The big-block models, introduced in the 1966 model year, are the most expensive since they combine enormous power with unique styling (via Motor Trend).

Amongst those cars, L88 has mythical status and massive price tags. The 1967 Corvette L88 was produced in just 20 examples and one recently sold for an impressive $3.2 million.