Gran Turismo 4: Prologue (2003) - MobyGames

Gran Turismo 4: Prologue is a lite version of the later released game Gran Turismo 4. In reality, this game, although a full game in its own right, is really nothing more than a extended demo of what to expect in the final release of Gran Turismo 4.

Gran Turismo 4 Prologue, Gran Turismo Wiki

Gran Turismo 5 (2010) - MobyGames

Screenshot of Gran Turismo 4: Prologue (PlayStation 2, 2003

Gran Turismo 4: Prologue (Sep 25, 2003 prototype) - Hidden Palace

Gran Turismo 4 Prologue Sony PlayStation2 2003 PS2 Tested Works

Gran Turismo 5: Prologue (2007) - MobyGames

Gran Turismo 4: Prologue (Sep 25, 2003 prototype) - Hidden Palace

Gran Turismo (2009 video game) - Wikipedia

Gran Turismo 4 (2004)