x1 duel BMW - M3 VS BMW - Z3
x1 duel Audi - Q7 VS Infiniti - FX50
x1 duel Porsche - Carrera GT VS Koenigsegg - CCR
x1 duel Honda - S2000 VS Acura - Integra
x1 duel BMW - M5 VS Acura - NSX
x1 duel BMW - 335 VS Lamborghini - Gallardo
x1 duel Pontiac - Firebird VS Chevrolet - Chevelle
x1 duel Cadillac - CTS VS Audi - RS6