Watch These Rare Gran Turismo 4 Online Test Version Videos – GTPlanet

Have a look at some fine recordings from Gran Turismo 4's short-lived online feature.

Took me a while to find this rare copy of Gran Turismo 4, the Online Public Beta! : r/granturismo

Gran Turismo 4 Online Test Version - IGN

Gran Turismo 5 Review - GameSpot

What do you think of the PlayStation 3 era of Gran Turismo? : r/granturismo

Mod] Gran Turismo 4 Online Public Beta Enhanced

Devileye03's Classic Gran Turismo 4 Album

Formula Gran Turismo, Gran Turismo Wiki

Gran Turismo 4 Celebrates its 15th Birthday Today – GTPlanet

Gran Turismo 5 2.03 Update, New Seasonal Events Now Available – GTPlanet

Gran Turismo 4 – GTPlanet