GX has 17 inch rims while G has 15 inch rims.
GX has a different odometer( optitronic or something, not sure).
It has temperature reading
More Accesories on exterior, such as body kit, utility box at the back, different more sportier rollbar. And a few more chrome Accesories here and there.
1-GR-FE
3-F
2-KD-FTV
3-UR-FE