All Working Test Drive Cheats - Xbox

Bonus cars
Select the San Francisco Drag Race and use the Dodge Concept Viper to set a new time record. Then, enter "SOUNDMAX" as a name at the high score screen. The Jaguar XK-R "SoundMAX SPX", Jaguar XK-R "Analog Devices", and the Aston Martin DB7 "SoundMAX SPX" will be unlocked.

G4 TV car
Select the San Francisco Drag Race and set a new time record. Then, enter "KQXYKGVY" as a name at the high score screen. The G4 TV Viper will now be unlocked.

Dodge Viper GTS
Win the track 27 race in story mode.

Ford GT
Defeat Vasily in all races.

Jaguar XJ220
Win the track 33 race in story mode.

Reese's Chevrolet Camaro
Win the track 9 race in story mode.

Shelby Cobra 427 SC
Win the track 5 race in story mode.

Pong mini-game
Use the D-Pad to play the Pong mini-game while the game is loading. Also, if you allow the controllers to idle, the CPU will play the game for you.

Note: During the Pong mini-game, if you play two player Pong, you can play forever.

Retry in Pong mini-game
If you play the Pong loading game long enough are losing, just let the CPU player win until the score gets to about 10, then both your scores will be reset to zero, allowing you to start winning again.

Smoke Show
Take any powerful car with a manual transmission and drive in reverse until you are near the red zone. Then, drive forward. It is supposed to go burning. Just use the handbrake and it will not stop screaming. For the smoke show itself, brake after the hand brake. Hold both buttons until you stop and your car will not stop spinning.

Custom colors
Try using the following custom color combinations.

Blue/Orange: Body R0/G8/B8 Tint R10/G5/B0
Purple Pearl (Original TVR Speed 12 color): Body R10/G10/B10 Tint R4/G4/B8
Dark Blue/Orange: Body R0/G0/B8 Tint R10/G4/B0
Green/Red and orange: body R10/G2 Tint G2/R10
Orange Peach: Body R10/G0/B0 Tint R10/G8/B0; to bring out full effect shininess 7/3 and metallic paint 4/4/6