Hennessey Venom F5

Hennessey Performance has taken wraps of the production version of its Venom F5 hypercar. The $2.1 million rear-wheel-drive monster has a 6.6L turbo V8 that makes an insane 1817 hp. With a low-drag aero shape and a carbon fiber body, the car weighs just 2,998 lb for the best power-to-weight ratio of any road car. Top speed: 311 mph.