x1 duel Pontiac - Firebird VS Chevrolet - Chevelle
x1 duel Cadillac - CTS VS Audi - RS6
x1 duel BMW - M3 VS Jeep - SRT
x1 duel Bugatti - Veyron VS Mercedes Benz - McLaren MP4
x1 duel Mercedes Benz - C-Class VS Porsche - Cayenne
x1 duel Chevrolet - Corvette VS Dodge - Challenger
x1 duel Yamaha - Raptor VS Yamaha - Banshee
x1 duel Ferrari - F430 VS Nissan - GT-R
