3 supercars, 1500bhp. Chris Harris compares the Audi R8 V10, Porsche 911 Turbo and Nissan GT-R at Bruntingthorpe Proving Ground. Much sideways action ensues...visit part two at http://www.evo.co.uk/videos/supercarvideos/250318/audi_r8_v10_v_porsche_911_turbo_v_nissan_gtr_part_2.html
