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I made a huge mistake of carrying over negative equity on a trade. Originally she had a Dart, but it was stuck in limp mode for 2 weeks and the dealer couldn't fix it. So, we traded it in for a new Charger RT Max. The Dart was less than a year old and I was down about $5k. ...
If it was less than a year old, I'm guessing they gave you a loaner car while it was in the shop. Why didn't you just keep the loaner until they could get the car fixed properly? Why in the world would you trade a car that you're already upside down in it on a more expensive car?? Looks like bad decision making did you in.