Gran Turismo 4 Remastered Mod: A Full Graphics Overhaul! : r/Games

Gran Turismo 4 Cheat Codes (PCSX2, Cheat Engine)

Opinion - Trailer - Indie - Gran Turismo 4 Remastered Mod: A Full Graphics Overhaul! - Gameplay

Grand Theft Auto IV looks stunning thanks to this upcoming graphics overhaul mod

Gran Turismo 4, PCSX2 vs HD Texture Pack + Reshade

Gran Turismo 4 Retexture Mod v2.2

Gran Turismo 4 HD Texture Pack Comparison

back then when racing games involved upgrading engines, nitros, transmission and not with some fancy 'upgrade cards' : r/gaming

Gran Turismo 5 - Wikipedia

Someone mod Assetto Corsa to look like Gran Turismo 4, and it is beautiful! : r/granturismo