On a standard, retail PS4, you cannot play PS2 discs. However, the PS4 utilizes a built-in PS2 emulator (known as ps2_netemu ). Sony used this to sell "PS2 Classics" digitally.
Gran Turismo 4, a legendary racing game that has been a staple of the gaming community for over two decades, has finally made its way to the PlayStation 4 (PS4) console. The game, which was initially released in 2006 for the PlayStation 2, has been re-released as a PS4 pkg, allowing gamers to experience the thrill of high-speed racing on the latest hardware. Gran Turismo 4 Ps4 Pkg
GT4 is frequently cited as the of the series because it balanced arcade accessibility with simulation depth. Many of its cars and tracks re‑appear, refined, in later titles like Gran Turismo 5 and Gran Turismo 7 . The game’s popularity also cemented the Gran Turismo brand as a benchmark for racing realism on consoles. On a standard, retail PS4, you cannot play PS2 discs
Assuming you have a jailbroken PS4 (using GoldHEN or similar), here is the general process: Gran Turismo 4, a legendary racing game that