Here's an interesting comparison test between the new 2013 Range Rover and the latest generation of the Porsche Cayenne Turbo. The 2013 Range Rover used for this review is the Autobiography mode, which comes with a 4.4-liter twin-turbo V8 diesel engine that's good for 334 bhp at 3,500 rpm and 516 lb-ft of torque between 1,500 rpm and 3,000 rpm. With this engine the new Range Rover (2013) has a top speed of 135 mph and a zero to 62 mph (100 km/h) acceleration time of 6.5 seconds. As tested, this 2013 Range Rover is priced at 94,695 GBP. The 2013 Porsche Cayenne Turbo comes with 4.8-liter twin-turbo V8 petrol engine that puts out 500 bhp at 4,000 rpm and 516 lb-ft of torque between 2,250 rpm and 4,500 rpm. The 2013 Cayenne Turbo has a 0-62 mph (0-100 km/h) time of 4.7 seconds and a top speed of 173 mph. It's priced from 87,653 GBP.