BMW M6 Cabrio V10 G-Power vs. AVENTADOR vs. Porsche GT3 vs. BMW M6 Coupe

635 HP vs. 507 HP, the Coupe in front accelarating but no Chance. Later you see Nissan GTR, M3, M6, Ferrari 458, Lambo Aventador, finally Porsche GT3 . In fact only 2 cars made challenge.