The Gran Turismo series is known for its license tests, driving tests that must be taken before competing certain events. The licenses by game are as follows:
- GT1 Licenses, from the original Gran Turismo
- GT2 Licenses, from Gran Turismo 2
- GT3 Licenses, from Gran Turismo 3: A-Spec
- GT4 Licenses, from Gran Turismo 4
- GT5 Licenses, from Gran Turismo 5
- GT6 Licenses, from Gran Turismo 6