Jeremy Clarkson reviews the new Audi R8 supercar and claims it to be one of the best supercars in the world - only to be interrupted by a competitive Richard Hammond in a Porsche 911. Which one is better - the Porsche 911 or the Audi R8? The only way to settle this argument is through a Top Gear special drag race! Who will win? Watch this clip in full to find out. Don't forget to hit view in high quality at the bottom right of the video to see the car review in full at it's best! Visit http:www.topgear.com for all the latest news and reviews.