Cheats:
Press Start to pause game play. Press R1 to scroll to the Under The Hood menu. Select Sponsor Code option, and type any of the following case-sensitive codes. A message will confirm correct entry. The cars will appear when you enter a junkyard after earning the appropriate license. Please note: Some of these codes require a PlayStation Network connection.
Circuit City Hotrod
Enter CIRCUITCITY as a code in the North American version of the game. You must earn an “A” license to use this car after it is unlocked.
Hunter Best Buy Oval Champ
Enter BESTBUY as a code in the North American version of the game. You must earn an “A” license to use this car after it is unlocked.
Kitano Gamestop Sport
Enter GAMESTOP as a code in the North American version of the game. You must earn an “A” license to use this car after it is unlocked.
Wal-Mart F1 Racer
Enter WALMART as a code in the North American version of the game. You must earn a Burnout Paradise license to use this car after it is unlocked.
Steel Wheels car
North American versions of the game: U84D 3Y8K FY8Y 58N6 or E165 6L1Q ZQ2H 10V3 or E60J 8Z7T MS8L 51U6.
European versions of the game: B179 8M20 XA09 80FF (UK) or Z891 4K88 IN25 79AA (other European countries)
Unlockables:
Licenses
Earn the indicated number of wins; previously earned wins do not count towards unlocking the next higher license.
D license: Win 2 events.
C license: Win 7 events.
B license: Win 16 events.
A license: Win 26 events.
Burnout Paradise license: Win 45 events.
Burnout Elite license: Win all 110 events.
Bonus bikes
Nakumura FV00-TI: Complete 19 Burning or Midnight Rides.
Nakumura Firehawk GP Competition: Complete all Burning and Midnight Rides.
Bonus cars
Carbon Hydros Custom: Beat all Showtime Road Rules.
Carbon Ikusa GT: Beat all Time Road Rules.
Carson Carbon GT Concept: Find all 400 Smashes.
Carson Fastback: Earn the B license.
Hunter Mesquite: Earn the D license.
Jansen Carbon X12: Land all 50 Superjumps.
Krieger Carbon Krieger Uberschall 8: Complete two sets of Online Challenges.
Montgomery Carbon Hawker: Hit all 120 billboards.
Nakamura SI-7: Earn the C license.
Rossolini Tempesta: Earn the A license.
Watson 25 V16 Revenge Racer: Complete all Road Rage Events.