Gran Turismo (PSP) - CNET

Gran Turismo 4 (Europe, Australia) (En,Fr,De,Es,It) ROM (ISO) Download for Sony Playstation 2 / PS2

Polyphony Digital working on Gran Turismo for PSP no, they really mean it! – Destructoid

Gran Turismo (Game) - Giant Bomb

Gran Turismo 4 Pc Highly Compressed - Colaboratory

First Official Gran Turismo PSP Screenshots (UPDATE) – GTPlanet

Gran Turismo

What took Polyphony Digital so long to release Gran Turismo on the PSP? - Quora

Good Game Stories - Gran Turismo

GT4 on PSP!

Gran Turismo 4 / PSP Courses found in Gran Turismo 5