Enter the 'Race Editor' and press 'Start' to access Layout mode (overhead view of the layout). If you then simultaneously press L1, L2, L3, R1, R3, and A buttons you will create a race with a checkpoint with up to 30 collectibles you do not already have. Test the race to collect ALL the collectables and if after that you find that you are still missing collectibles you can delete the checkpoints and repeat the code.
Get your Dream Car EVEN IF YOU DON'T HAVE THE MONEY!
Added 13 Jul 2011, ID #4007
1. Go to garage. 2. Test drive the Saleen S7 (the last car in the showroom). 3.Go back to the garage. 4. Go to the car you want, and press purchase with trade in. 5. Voila! You have it! WARNING: Using this cheat will take away the money that the car costs from your account. In other words, it means that you will go bankrupt with the purchase price of the car you bought.
When you have participated in the indicated number of races for a specific vehicle class the corresponding customizable item for that particular class (Luxury, Tuners, Muscles, Exotics or Superbikes) will become available.