How to Set Up "Gran Turismo 4" Multiplayer on PlayStation 2by Michael Wallace ; Updated September 22, 2017
"Gran Turismo 4" for the PlayStation 2 became popular due to its slick graphics and realistic gameplay. The game also features a fun multiplayer mode that allows you to race against your friends. This feature can be set up quickly from the main menu screen of the game.
Turn on your PS2 and insert the "Gran Turismo 4" game disc into the unit. Wait for the game's main menu screen to appear.
Use the directional pad to scroll to the "Multiplayer" option in the main menu. Press the "X" button to select this option. You will be directed to the multiplayer setup screen.
Select the number of people who are playing from the list of options.
Plug in as many additional controllers as necessary into the ports on the front of the unit. The game will support up to four players.
Have everyone with a controller press "Start" to configure their controllers and start the game.