Rumor mill: 600 HP for the Audi RS7?

2012 Audi RS7 may reach for the 600 horsepower mark to outdo the next BMW F10 M5.

Source: http://feeds.worldcarfans.com/~r/worldcarfans/Jxfz/~3/l8EEFyLA5kM/rumor-mill-600-hp-for-the-audi-rs7

Mario Andretti Michael Andretti Keith Andrews Elio de Angelis Marco Apicella