x4 duels BMW - M6 VS Toyota - Supra
x4 duels Pontiac - GTO VS Buick - GS - Gran Sport
x3 duels Chevrolet - Camaro VS Chevrolet - Chevelle
x3 duels Ford - Mustang VS Nissan - GT-R
x3 duels Ferrari - F430 VS Renault - R5
x3 duels Ford - F-250 VS Dodge - Cummins
x3 duels Porsche - 911 VS Nissan - Skyline
x3 duels Chevrolet - Camaro VS Dodge - Charger
