x1 duel Porsche - Cayenne VS Jeep - Cherokee
x1 duel Pontiac - Firebird VS Plymouth - Hemi Road Runner
x1 duel Cadillac - CTS VS Radio-controlled car - RC Car
x1 duel Pontiac - GTO VS Plymouth - GTX
x1 duel BMW - M3 VS Formula 1 - Formula BMW
x1 duel Bugatti - Veyron VS Formula 1 - GT5
x1 duel Mercedes Benz - C-Class VS Maserati - GranSport
x1 duel Chevrolet - Corvette VS Audi - RS6
