| Code: | Result: |
| KNOX | Win Last Man Standing challenge to unlock the Ascari KZ1 in the DNA Lab. |
| JWRS | Win Retail challenges to unlock the Nissan Skyline R34 GT-R in the DNA Lab. |
| GVDL | Win Special challenge to get the BMW Z4. |
| YTHZ | Win Special challenge to get the Audi TT 1.8L Quattro in the DNA Lab. |
| RBSG | Win Special challenge to get the Holden Monaro in the DNA Lab |
| BSLU | Win Special challenge to get the Hyundai Coupe 2.7L V6 in the DNA Lab. |
| MRHC | Win Special challenge to get the Infiniti G35 in the DNA Lab. |
| MNCH | Win Special challenge to get the Frito-Lay Infiniti G35 in the DNA Lab. |
| KDTR | Win Special challenge to get the Koenigsegg CCX. |
| DOPX | Win Special challenge to get the Mitsubishi Prototype X in the DNA Lab. |
| PRGN | Win Special challenge to get the Nissan 350Z in the DNA Lab. |
| WIKF | Win Special challenge to get the Saleen S7 in the DNA Lab. |
| FAMQ | Win Special challenge to get the Seat Leon Cupra R in the DNA Lab. |
Win the Last Man Standing challenge to unlock the Ascari KZ1 in the DNA lab.
Select "Driver DNA Lab", then choose "Celebrity Face Off". Defeat the indicated driver in all three of his challenges to unlock the corresponding car.
When starting the game and you must choose which car you would like to buy, select the Mazda RX-8. It is the fastest in stock out of all the other cars.
Use the Nissan Silvia. Normally by default gear is third gear. When the challenge starts, accelerate. When start the cornering part, use the hand brake and shift to first gear. Note: To do this move, you must select "Manual Gear Transmission".
