DiRT: Colin McRae Off-Road Cheats - PlayStation 3
Unlock Colin McRae R4 Bonus Car
Finish in first place in all 66 events to get a 100% completion.
Unlock Ending videos
Finish in first place in all 66 events to get a 100% completion to unlock two ending video sequence.
Accelerate about halfway down at the beginning. When you are familiar with all tracks, accelerate hard on the straights and brake a good time in advance before a turn.
To increase your maximum speed (stats), go for Hill Climb, Windy Point A, which is almost a long straight with some turns. Try using the Toyota Tacoma.
To increase your average speed (stats), go for Hill Climb, Pikes Peak C (or BC) with a Toyota Tacoma.