Video shows a staged street race between a Porsche 911 GT3 and a Lamborghini Gallardo Superleggera with professional drivers in semi-controlled environment.
http://www.youtube.com/v/-PW-lTWxDP0?fs=1&hl=en_US&rel=0
Porsche 911 GT3 and Lamborghini Gallardo Superleggera street duel [video] (http://feeds.worldcarfans.com/~r/worldcarfans/Jxfz/~3/Cy55R6WqezM/porsche-911-gt3-and-lamborghini-gallardo-superleggera-street)