See Playstation Andretti Racing cheats here!

Bonus cars
Start a new race and choose the "Begin Career" selection. Then at the "Register" screen, enter "GO_BEARS!" (for stock cars) or "GO_BRUINS!" (for formula one cars), where "_" indicates a space.

In-race car modifications
Pause the game during a race and enter the "Race Statistics" screen. Then, hold L1 + L2 + R1 + R2 + X + Circle + Select. Now a car editor menu with the following options will appear:

• Drafting effect
  
• Draft distance
  
• Front downforce
  
• Rear downforce
  
• Fuel consumption rate
  
• Incremental braking
  
• Tire wear rate
  
• AI speed percentage (50-150)
  
• Torque spins
  
• Centrifugal force
  
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  Game Shark Codes
  
  
  Infinite Fuel                         801EB3A8 3D60
                                        801ECA8C 3732
                                        801E0194 0040
                                        801E019C 0040
  Always Place First                    801EB318 0001
  Gives you First Place Without Racing  801EB2D8 0063
  Qualify in First                      801EB35C A36D
                                        801EB360 C9AE
                                        801EB374 0111