small claim court

small claim court limit in every state. 

https://www.nolo.com/legal-encyclopedia/small-claims-suits-how-much-30031.html

know what you want? 

If you want money, sue them in small claim court and ask for maximum small claim amount. be it 10k or 5k.  You walk away with a repaired car and whatever the small claim pays out. 

If you want a brand new car, you have to sue them in normal court, hire a lawyer.