4) 1964 Ford GT40 Prototype – $7,000,000

1964 Ford GT40 Prototype was the car by Ford with light chassis. It got a Cobra-Spec 289 Cl engine and placed third at Daytona in 1965, marking an early achievement of Ford Racing. The same model sold at Mecum Auctions for a staggering $7 million in April 2014. SEE ALSO: Top 10 most expensive Bugatti cars & celebrities who own them (With Pictures)