u get them at level 10 after you defeat bone head and get the part to fix the car machine

You get cars as soon as you become a level 12 *** clown!

oh i forgot about sensoring.....the *** was grass without the GR

once you finish the quest with bonehead, then you can get cars. it's recommended that
you're about level 10, but that isn't necessary

i now there in the two gun types and the one body but are there more?

of course there is