Gain G by playing some games. Buy parts in the in game shop. Buy these parts: Fender wheels, shark turret, assault hull, revolver main weapon, auto laser supports and either basic missile supports, fireworks, or some other machine gun.

It is a solid all round build that will help you to kill and not be killed, be a solid support player with good damage / hit points. Good turret turning speed - hold right mouse to trace fire while aiming well with left mouse. Average speed and control, maybe just avoid steep hills.