Hennessey Venom GT 270 49mph

The Hennessey Venom GT is technically the fastest car you can buy. It hit a top speed of 270.49mph on a runway in America, eclipsing the Bugatti Veyron Super Sports 267.8mph effort. Besides, that cars top speed is limited to 258mph anyway, to save its tyres from exploding. The new record means the Venom Whatsitsname is the fastest streetlegal production car you can buy.

And the Venom isnt the only member of the double tonne club youve probably never heard of either. In fact, here are some more of them.