Gran Turismo 4

Unlock Honda Dualnote '01
Achieve all 'Silver' ranks in the Domestic A License test.
100% success rate. 

Unlock Jensen Healey Interceptor Mk. III '74
Achieve all 'Gold' ranks in the International B License test.
100% success rate. 

Unlock Mazda RX-8 Concept (Type-II) '04
Achieve all 'Silver' ranks in the International B License test.
100% success rate. 

Horsepower Tip
Give your brand new car an oil change as soon as you get it. This will usually gain about 5-30 HP.
100% success rate. 

Unlock Mercury Cougar XR-7 '67
Complete the Super License test.
100% success rate. 

Unlock Nike One 2022
Complete the International B License test.
100% success rate. 

Unlock Dome Zero
Achieve all 'Gold' ranks in the International A License test.
88% success rate. 

Unlock Ford Model T Tourer
Achieve all 'Gold' ranks in the Super License test.
88% success rate. 

Begin with Extra Credits and Licenses
Have a saved game file from Gran Turismo 3 or Gran Turismo 4 Prologue to begin with extra credits and some of your previously earned licenses.
78% success rate. 

Unlock Honda S500 '63
Achieve all 'Gold' ranks in the Domestic B License test.
67% success rate. 

Unlock Mazda Kusabi '03
Achieve all 'Silver' ranks in the Domestic B License test.
67% success rate. 

Unlock Pontiac Solstice Coupe Concept '02
Achieve all 'Silver' ranks in the Super License test.

Unlock Nismo 270R '94 (S14)
Complete the International A License test.

Unlock Pontiac Sunfire GXP Concept '02
Complete the Domestic A License test.

Unlock Nissan Skyline GT-R
Achieve all 'Gold' ranks in the Domestic A License test.
0% success rate. 

Unlock Volkswagen Lupo 1.4 '02
Complete the Domestic B License test.

Unlock Nissan GT-R Concept '01
Achieve all 'Silver' ranks in the International A License test.

The secrets above are currently all the cheats, codes, tips and walkthroughs for the PS2 game, Gran Turismo 4, that PS2 Secrets currently knows about. Please be aware that we are not able to verify that all cheats and tips for Gran Turismo 4 work, and at worst may even harm your game. Because of this, we recommend that you save your game before using any of the codes above, incase there are any undesirable effects. Also, for a small number of games, it may be the case that different versions of the game have different cheat codes (for example the NTSC (American version) and the PAL (UK version or European version) could have different level passwords).

Gran Turismo 4 game description:

In Gran Turismo 4 the characteristics of the cars are realistically designed and calculated so that they handle as per the real-life physics of that particular vehicle, taking into account weight, speed, friction, wind and more. New technology immerses the player in real-life environments such as New York City and the Grand Canyon. Highly detailed vehicles and environment mapping create broadcast-quality graphics, from light and competitor car reflections on the player's automobile to leaves on a tree shaking in the wind.

In offline gameplay, players will have the opportunity to race in enhanced arcade and simulation modes, experiencing more than 500 authentic automobiles from manufacturers around the world, with a range from vintage to modern vehicles. Courses include existing closed racing circuits to specially designed city courses, reaching a total count of up to 100 tracks.

The online mode features a robust system for players to race with up to six other players and interact and chat with others to form an automotive community.

Developer: Polyphony Digital.

Publisher: Sony.

European release date: 9th March 2005.

Japanese release date: 28th December 2004.

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