| Gran Turismo 4 BMW 1 Series Virtual Drive | Gran Turismo 4 | Polyphony Digital | A build of GT4 featuring the then-new BMW 120i and 120d given to customers who attended a pre-release event. | Game Build | Download |
| Gran Turismo 4 First Preview | Gran Turismo 4 | Polyphony Digital | September 2004 preview build of Gran Turismo 4. | Game Build | Download |
| Gran Turismo 4 Mazda MX-5 Edition | Gran Turismo 4 | Polyphony Digital | Gran Turismo 4 demo from 2005 featuring the then-new NC generation Mazda MX-5. | Game Build | Download |
| Gran Turismo 4 Online Beta Test (US) | Gran Turismo 4 | Polyphony Digital | Mid-2006 online beta testing version of Gran Turismo 4 NTSC. | Game Build | Download |