In this latest edition of Test Drive, you can test the muscle and speed of some of the hottest rides, including a Lotus GT1, a Dodge Viper GTS, the Shelby Series 1, the Plymouth Prowler, or Jaguar XKR. With 16 car makers, you can take the wheel of cars from Dodge, Plymouth, Macros, TVR, Jaguar, Aston Martin, Subaru, Caterham, Nissan, Audi, Venturi, Panoz, Lotus, Shelby, Toyota, and Ford.
Here are some cheat codes for the game that i found:
All Cars: Enter DFGY as your name.
All Quick Race Tracks: Enter CVCVBM as your name.
Shorter Tracks: Enter QTFHYF as your name.
Enter any of the following on the 'Name entry' screen:
NOEMIT: Enable Checkpoints. OCVCVBM: No Quick Tracks. QGFHYF: Unlock Short Tracks. OQGFHYF: No Short Tracks. OPOIOP: No Challenges. STRIPON: enable debug 'strip' info. STRIPOFF: disable debug 'strip' info. TVCHEAT: remove screen 'overlays'.
All Challenges: Enter OPIOP as your name.
Test Drive 6 Unlockable: Stop The Bomber Mode...The Hard Way Catch all the speeders on the Paris, Rome, New York, Hong Kong and London tracks in cop chase mode.
