I am managing Google Ads for one of my clients who is selling used cars & delivering to your doorstep.
* make / model is a good start
* augment with generic / upper funnel campaigns (think finance / lease if you offer – also “used cards” etc)
* some DSA to find more relevant stuff
* Discovery w custom segment targeting competitors terms / websites has been amazeballs
All depending on your budget of course. Make sure to start out with campaigns / keywords that target bottom of funnel (think “buy used BMW under 10K” or something)