Gran Turismo 4
611 Achievements
2404
PlayStation 2
Old Muscle Car Competition - A-Spec Challenge
Earn 20 A-Spec points or more in any of the Old Muscle Car Competition (Muscle Car Competition in NTSC) events. Nitrous is not allowed.
3
4.53%
There are currently no achievement guides.
As soon as any guides are added to the achievement, we will show the full list here.