Three high performance Audis. Similar power outputs. Four-wheel drive on all. Which fast Audi is the fastest of them all? Which car do you think will come first place? Let us know in the comments. Subscribe for more awesome Top Gear videos: http://www.youtube.com/subscription_center?add_user=Topgear Top Gear YouTube channel: http://www.youtube.com/topgear TopGear.com website: http://www.topgear.com Top Gear Facebook: http://www.facebook.com/topgear Top Gear Twitter: http://twitter.com/BBC_topgear This is a channel from BBC Worldwide who help fund new BBC programmes.