Have you thought about putting it on craigslist and seeing if someone will take over payments and have them put some money up front take that money and put it down on something else or try & come up with the money to buy her a car straight out cash, last resort buy her something that is dependable and cheap let her drive it for a couple of months then turn around & sale that then get her what she really wants. One more idea take it to carmax and have them buy your stang