Trading in a car you owe more on than it’s worth doesn’t erase the gap. Roll it into the next loan and you pay interest on a car you no longer own. Keep the one you have until you owe less than it’s worth, and extra payments toward the loan get you there sooner.
Many buyers trade in before they get there. Edmunds found that 29.6% of cars traded in toward new vehicles in the second quarter of 2026 carried negative equity, meaning the owner owed more than the car was worth, and the average gap was $6,884.
Financing the gap is the expensive part. In a Consumer Financial Protection Bureau study of 2018 to 2022 auto loans, buyers with equity in their trade-in paid $496 a month on average. Buyers who rolled negative equity into the new loan paid $626, on loans that averaged 73 months and 119% of the value of the car they bought. They were also more than twice as likely as the buyers with equity to have their account sent to repossession within two years.
Be wary of a dealer’s promise to pay off your trade no matter what you owe. The Federal Trade Commission warns that the gap still lands on you, through a bigger loan, money taken from your down payment, or both. A dealer who says it’s paying off your car but rolls the gap into your new loan is breaking the law. Check the contract’s amount financed and down payment before you sign.
Find your number first. Ask your lender for the payoff amount, then look up the car’s trade-in and private-party values on Kelley Blue Book. If the payoff tops the trade-in value, three moves keep the gap out of your next loan:
- Keep the car and make extra principal payments until the payoff drops below its trade-in value.
- Sell it yourself. Private buyers usually pay more than a dealer’s trade-in offer.
- Pay any remaining gap in cash so none of it gets financed.
If the car has to go now, pick a cheaper replacement and the shortest loan term you can afford. A shorter term pays down the old debt faster and costs less interest.
The usual fix for negative equity is time, not a bigger loan. Every extra principal payment shrinks the gap, and every rollover carries it into the next loan.
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