Gran Turismo 4 Cheats For Playstation 2

Recycled Cash and a Skipped Tests:
If you have save data from Gran Turismo 3, you can take up to 100,000 cr. and get both your A and B licenses without taking the tests.

Track Guides in License Tests:
Push R3 when the 3-2-1-Start! timer is being displayed.

Free Horsepower Boost:
When you get a new car, go and take it for an oil change.

Unlockables:

VOLKSWAGEN Lupo 1.4 '02	Complete Domestic B License
MAZDA KUSABI '03	Get All Silver in Domestic B License
HONDA S500 '63	Get All Golds in Domestic B License
PONTIAC Sunfire GXP Concept '02	Complete Domestic A License
HONDA DUALNOTE '01	Get All Silver in Domestic A License
NISSAN SKYLINE GT-R '01	Get All Golds in Domestic A License
NIKE One 2022	Complete International B License
MAZDA RX-8 Concept (Type-II) '04	Get All Silver in International B License
JENSEN HEALEY Interceptor Mk.III '74	Get All Gold in International B License
NISMO 270R '94 (S14)	Complete International A License
NISSAN GT-R Concept '01	Get All Silver in International A License
DOME ZERO '78	Get All Gold in International A License
MERCURY Cougar XR-7 '67	Complete Super License
PONTIAC Solstice Coupe Concept '02	Get All Silver in Super License
FORD Model T Tourer '15	Get All Golds in Super License

Unlock these Arcade Tracks by getting through ' X ' number of days:

15	Deep Forest Raceway
29	Opera Paris
43	Fuji Speedway 80s
57	Special Stage Route 5
71	Suzuka Circuit
85	Twin Ring Motegi Road Course East Short
113	Hong Kong
127	Suzuka Circuit West Course
141	Fuji Speedway 2005 GT
155	Ice Arena
169	Apricot Hill Raceway
183	Cote d Azur
197	Tahiti Maze
211	Twin Ring Motegi Road Course
225	George V Paris
239	Cathedral Rocks Trail I
253	Costa di Amalfi
267	Circuit de la Sarthe 1
281	Autumn Ring
309	Chamonix
323	Fuji Speedway 2005 F
337	Tsukuba Circuit Wet
351	Circuit de la Sarthe 2 (Unchicaned)