Stig drives the Audi AS1 and the Audi TT MTM Bimoto around the track. The AS1 is super-light and the Bimoto has two engines so they should both be very fast – but can either of the German cars beat the British Radical in the power lap times? Go to www.youtube.com tosee a full list of all high quality videos available on the Top Gear youtube channel and don’t forget to visit www.topgear.com for all the latest news and car reviews.