Mario Kart Wii Outsells All GT & Forza.

Mario Kart Wii Outsells all Gran Turismos and Forza Combined.

Mario Kart Wii - 33.28m

Total 33.28m

Gran Turismo 5- 8.62m
Gran Turismo 5 Prologue - 4.12m
Gran Turismo PSP - 2.94m

Total - 15.68m

Forza 3 - 5.33m
Forza 2 - 3.99m
Forza 4 - 3.76m
Forza Horizon - 1.01m

Total - 14.09m

Gran Turismo + Forza

Total - 29.77m

Barbie Kart 4 is coming soon to xbox kinect.