[DaveNP]

Personal opinion
1 Check with the credit card company whether the money has been taken and if it has tell the credit card company what happened and get them to get it back
2 Go look for another car. The one you wanted wasn't yours until you took possession of it which never happened. You will not get that car nor one exactly like it if you fight the dealer, and you would be hard pressed to show any loss that you might claim compensation for, I doubt 'emotional distress' will get you anywhere.

What they did may not be 'right' but you're better off to draw a line move on rather than let it waste more of your time and energy. And as said, use a different dealer.