I painted my dragster, primed the charger, and base/cleared a truck bumper with a $20 gun from Home Depot.

I think you can shoot the bottom of you car with about any gun. It is more dependent on your skills.

No matter how responsible he may seem, never give your gun to a monkey!
1970 Coronet Vert
1972 Charger
1974 Satellite Sebring Plus Sundance
2001 Ram 4x4
2002 Intrepid
2006 300C