4. Rolls-Royce 15 HP
If you want to know how old this car is: when this was built, 15 horsepower was considered a powerhouse. It was built in the wonderful year of 1904, and it was in fact the first ever Rolls-Royce. A modest 6 of these were made and insurance companies value them at $35 million each. Because it’s the first Rolls-Royce. What did you expect?