With authentic cars, courses, and car physics, Gran Turismo™ 4 adds an even more realistic racing simulation to the series. The characteristics of each car take into account weight, speed, friction, and more to deliver realistic handling. Test-drive new vehicles in courses located in various sites, such as Nurburgring Nordschleife, New York City, the Grand Canyon, and Tsukuba Circuit. Along with Career mode, Gran Turismo™ 4 highlights the new GT Photo mode. I have all most finished the game i have reached 90%. Its a really hard game if you dont know about you cars and performance
