Unlock the following cars by entering the corresponding codes at "Main Menu" > "Options" > "Bonus Codes" > "Enter Code". The cars are unlocked for Raceday and World modes:
Alternately, complete all the global events in first place to unlock the final Head 2 Head race with Ravenwest. Win that race to unlock all cheats. To activate them, select "Options" at the main menu, then "Bonus Codes".
CHEAT FUNCTION - CHEAT CODE All Drift Cars - TUN58396 All Muscle Cars - MUS59279 Buchbinder 320si - F93857372 Pagani Zonda R - M38572343 Aston Martin DBR9 - P47203845 BMW 320si - G29782655 Ninja difficulty