x1 duel BMW - X6 M VS Mercedes Benz - CL-Class
x1 duel Infiniti - G35 VS Infiniti - G35
x1 duel BMW - 525 VS Dodge - Challenger
x1 duel Pontiac - Tempest VS Pontiac - Catalina
x1 duel Dodge - Viper VS Tesla - Model S
x1 duel Mitsubishi - Lancer Evolution VS Pontiac - G8
x1 duel Porsche - 911 VS Bugatti - Veyron
x1 duel Ferrari - 575M VS Audi - RS6
