If this vehicle had no engine inside, we would still consider its inclusion on this list. When we found out it was packing a 1,200-horsepower twin-turbo V-8, we were basically left no choice. Capable of hitting 60 miles per hour in a claimed 2.5 seconds, its power isn't just stunning, it's downright violent. At an estimated $450,000, it's still way cheaper than space tourism.