1982 Porsche 956 – $10,697,000 – RM Sotheby’s

This is one of the rarest cars out there. It’s remembered for placing 3rd overall in the Porsche 1-2-3 finish at 4 Hours of Le Mans in 1982. It’s also the first Porsche model to feature the popular monocoque construction and was one of the ten factory example cars made in the year.