Porsche 911 GT2

Delivering an astounding 456bhp from its 3.6-litre flat-six engine, this is the fastest production Porsche yet built. The GT2 is capable of sprinting from 0-60mph in only 4.1 seconds and a top speed of 196mph, and some would say it's best kept under lock and key.

But this car's visual impact is equally devastating. Huge 18-inch, foot-wide wheels are tucked into the bodywork, while the vast rear wing features extra air intakes to help cool the engine.

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