Gran Turismo 4 in 1080p HD (5X Upscale, PCSX2 1.5.0)

5x native resolution, 16x anisotropic filtering, mipmapping basic, allow 16 bit textures and large framebuffer disabled, CRC hacks full.Check Texture Filteri

Gran Turismo 4 (ps2) on PC - pcsx2 0.9.6 (720p HD) -Full Speed-

PCSX2 1.7 (dev) Gran Turismo 4 - Best settings and shader config

Gran Turismo 4 1080p running on PCSX2 1.1.0

PlayStation 5

Gran Turismo 4 HD on PCSX2 Emulator (3x Native Resolution - Widescreen) - video Dailymotion

Zombeaver's PCSX2 Configs / Simple 1-Click Installs With PCSX2 Configurator - Emulation - LaunchBox Community Forums

Gran Turismo 4 Fps Low

Gran Turismo 4 - PCSX2 Wiki

PCSX2 v1.5 - Gran Turismo 4 Testing with lifelike shader : r/emulation