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

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

pcsx2

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

Gran Turismo 4, PCSX2 1.7.0

Gran Turismo 4, Intel Core i5 4690, GTX 750 TI (2GB)

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

Gran Turismo 4 - 1080p 60 FPS on GTX 860M (PCSX2)

Gran Turismo 4 - 1080p 60 FPS on GTX 860M (PCSX2)

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

Gran Turismo 4 - PCSX2 Wiki

PCSX2 1.6.0, Gran Turismo 4, Intel i7 8750H, GTX 1050 Ti