If you try to save a car you that was unlocked by a code, the car will not save. You will have to enter the code each time you play.
Press L1, Triangle, L1, Triangle, Right, L2, Right, L2 at the main menu. A message will confirm correct code entry.
Press L1, Square, L1, Square, Right, R1, Right, R1 at the main menu. A message will confirm correct code entry.
McLaren F1 LM:
Press Square, L1, Square, L1, Triangle, Right, Triangle, Right at the main menu. A message will confirm correct code entry. Alternately, win the World Championship.
On the main menu, press Square, Right, Square, Right, R2, Triangle, R2, Triangle to unlock the BMW Z8.
HSV Coupe GTS
On the main menu, press L1, L2, L1, L2, R1, Triangle, R1, Triangle to unlock the HSV Coupe GTS.
Pursuit Mustang SVT Cobra R
L, S, L, S, R2, R1, R2, R1
R, R2, R, R2, R1, L1, R1, L1
R, R2, R, R2, L1, R1, L1, R1
If you see a police car ahead, ram it to get him to chase you. Lose the police car and you will get extra points for a hit-and-run. Look for the dirt road shortcuts to lose the police and get ahead of other drivers.
Choose be the police in Hot Pursuit mode. You will get 25,000 points each time you complete one mini-mission.
Unlock Corvette Z06
Complete Hot Pursuit event 13.
Unlock Diablo Murcielago
Complete Championship Event 21.
Unlock Dodge Viper-GTS [NFS Version]
Accumulate 1,500,000 Need For Speed Points.
Unlock Ferrari 360 Spider
Complete Championship Event 16 to unlock this car for Challenge Mode.
Unlock Ford Crown Victoria
Complete Hot Pursuit Event 5.
Unlock Porsche Camera GT
Complete Championship Event 26.
Unlock Vauxhall VX220
Lead all laps in a Single Race (one player, 4 laps, world racing, gull grid, advanced).