16. 1931 Buick Hearse
Key Features: Steel roof. Airbrushed mural. Custom glass etching.
Complex Says: There's a good chance that you'll never see anything remotely close to this on the road. In the early 1930s, GM made only 10 of them in total. But in 2003, a car collector scooped up this model and spent a fortune revamping it. Now it's worth $85,000.