Which is faster off-road, the Range Rover V8 Supercharged or the Porsche Cayenne Turbo? We pitch them together in an off-road drag race to settle the score

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After Autocar's head-to-head video we've decided the Range Rover is more comfortable and refined, but not as quick on the road as the Porsche Cayenne Turbo. But how quick are these uber-4x4s when faced with a very wet and slippery grass bank. Can the Range Rover's off-road technology defeat the power of the Porsche? Steve Sutcliffe sees which 4x4 can slither its way to victory.

Autocar, the world's leading motoring magazine and website, delivers industry-leading news, the most in-depth car reviews and opinion from our team of experts. Our presenters include some of the world's top motoring journalists who have unrivalled access to the world's fastest, rarest, most exotic and most exciting cars on some of the world's best roads and race tracks.

Can a supercar beat a superbike? Can a Audi A1 outrun a Nissan GT-R on a wet circuit? Can a Porsche 911 slay a Corvette on the drag strip? Autocar pitches the giants of the performance car world against each other to deliver the all-important verdict.
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Read Autocar's Range Rover review: http://www.autocar.co.uk/car-review/land-rover/range-rover
Read Autocar's Porsche Cayenne review: http://www.autocar.co.uk/car-review/porsche/cayenne

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