Gran Turismo 4 First Preview : Polyphony Digital : Free Download, Borrow, and Streaming : Internet Archive

A demo of Gran Turismo 4 that was released near the final game

Gran Turismo 2 Plus (EBOOT) : Polyphony Digital : Free Download

Gran Turismo : Polyphony Digital : Free Download, Borrow, and

Gran Turismo 3 (PlayStation 2 / PS2) [Japanese] Manual : Free

gran turismo [english] : Free Download, Borrow, and Streaming

Polyphony Digital (manufacturer), Gran Turismo Wiki

Gran Turismo Concept: 2002 Tokyo-Geneva (Europe) (Press Materials

Gran Turismo : Polyphony Digital : Free Download, Borrow, and

Gran Turismo 3 (PlayStation 2 / PS2) [Japanese] Manual : Free

Cover of Gran Turismo (2009) - USA version : Free Download, Borrow