3. 1967 Ferrari 330 P4
The P4 was a V-12 endurance car, of which four were ever made, and only three of those brand new. Using the fuel injection system from its predecessor, the 330 P3, it had an engine capable of up to 450 horsepower. All three brand new ones were converted into Spyders for Brands Hatch in 1967. One is in Germany, one in France, and one in Canada.