10: 1966 Porsche 356 SC Cabriolet – $73,500
There were quite a few different Porsche models during the ’60s as the company was ever-evolving. The 1966 Porsche 356 SC Cabriolet built on the reputation of the car and the brand, offering the purest sports car for a fraction of the price. The air-cooled engine and straightforward interior made the car a breeze to live with. Few cars have managed to captivate the same kind of audience that the 1966 Porsche 356 SC Cabriolet did.

The car had an interesting history that helped to create the reputation that it has today. The auction prices for the car have ranged from $73k to even more depending on the market, so naturally, Seinfeld needed this car in his collection.