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Uploaded on Aug 21, 2009
With petrol prices rising, the Top Gear team give alternative advice on fuel economy and saving money by racing 5 supercars. The Ferrari 599, Lamborghini Murcielago, Mercedes McLaren, Aston Martin DBS and Audi R8 are all given one gallon of fuel; how far will they get around the track? And what about the Toyota Prius vs. BMW M3?