Range Rover Sport vs Porsche Cayenne Turbo tested on road, off road and on track

The new Range Rover Sport is good, but good enough to beat the more road-focused Porsche Cayenne Turbo? Steve Sutcliffe finds out. SUBSCRIBE to Autocar: The 2013 Range Rover Sport V8 is a massive improvement over the old car, weighing almost half-a-tonne less for a start. But despite these advances, can it live with the incredible Porsche Cay

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