Audi RS6 Evotech (720 hp) vs BMW M5 (550 hp) .<br>Dragtimes.info vs GT-Board (Video 2) Dragtimes.info:Audi RS6 Evotech (750 HP) GT-Board: BMW M3 ESS (625 HP); BMW M5 E60 (507 HP); Mercedes-Benz .<br><br><br>Audi RS 6 Evotech vs BMW M5 Evotech part 2.<br>
