GRID 2 gets released May 28th for Xbox and PS3.
If you pre-order now through Amazon you get the following bonuses:
Receive $10 Amazon.com Credit and Exclusive Headstart Pack
The Headstart Pack includes car upgrade discounts and Mercedes-Benz SLR McLaren 722 GT Car! Pack contains 15% Discount in the Car Upgrades store for the multiplayer game modes, the exclusive Mercedes-Benz SLR McLaren 722 GT race car available in single race and multiplayer, plus a special RaceNet bonus.