The Forza Motorsport series for some has arguably surpassed the legendary Gran Turismo series; in my personal experience Forza Motorsport 4 was the definitive racing game on the home console, piping even the recent Gran Turismo 6 to the checkered flag.
Drivatar is the future of racing A.I; Plays great; Looks great; Top Gear presenters is a great touch; Vibration feedback in the control pad works great
Lacks number of cars and tracks in comparison to Forza 4