Original URL: http://www.psxextreme.com/ps3-cheat-print/254.html
GRiD

Cheats, Bonus Cars and Ninja Difficulty
Complete GRID by winning all 51 Gold trophies and defeating Ravenwest in all 10 Head 2 Head races.

Extra Liveries
Enter the passwords at the in-game cheats menu.

Buchbinder 320si - F93857372
Gamestation BMW 320si - G29782655
Micromania Pagani Zonda R - M38572343
Play.com Aston Martin DBR9 - P47203845

All Drift Cars
Enter TUN58396 at the in-game cheats menu.

All Muscle Cars
Enter MUS59279 at the in-game cheats menu.