| # | Description | Code |
| . | Simulation Mission Codes | . |
| ~ | American Events Codes | 30 Codes |
| ~ | American Showroom Codes | 42 Codes |
| ~ | Beginner Events Codes | 68 Codes |
| ~ | British Showroom Codes | 70 Codes |
| ~ | Driving Missions Codes | 68 Codes |
| ~ | Endurance Events Codes | 32 Codes |
| ~ | European Events Codes | 110 Codes |
| ~ | Extreme Events Codes | 126 Codes |
| ~ | French Showroom Codes | 58 Codes |
| ~ | German Showroom Codes | 88 Codes |
| ~ | Italian Showroom Codes | 6 Codes |
| ~ | Japanese Events Codes | 76 Codes |
| ~ | Japanese Showroom Codes | 164 Codes |
| ~ | Korean Showroom Codes | 10 Codes |
| ~ | Professional Events Codes | 104 Codes |
| ~ | Special Conditions Events Codes | 126 Codes |
| . | Other Codes | . |
| ~ | Event Restriction Codes | 61 Codes |
| ~ | Have License Codes | 85 Codes |
| ~ | Misc. Codes | 34 Codes |
| . | The Cars Of Gran Turismo 4 | . |
| ~ | Here's The Prize Cars List | . |
| ~ | Here's The 10km Used Cars List | . |
