Critical Shifts:
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Shortfalls and total debt have reached record levels: The average negative equity on trade-ins climbed to $7,107 in Q3 2026 (up from $5,063 in 2020), driving the average loan balance for these buyers up to $57,235—roughly $12,600 higher than what typical new-car buyers finance.
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Borrowers are locked into longer loan terms and higher interest costs: To absorb old vehicle debt, 91.2% of underwater buyers finance for 72 months or longer. Combined with an average APR of 8.1%, this results in average monthly payments of $952 and over $16,600 in total interest charges over the life of the loan.
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Pandemic-era buying trends created an ongoing debt cycle: Buying above MSRP during pandemic supply shortages combined with fast-depreciating used car values has trapped buyers in a cycle where rolling old debt into new auto loans leaves them immediately underwater on their replacement vehicles.
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The average underwater trade-in carried a $7,107 shortfall in Q3, pushing buyers who rolled that debt into new loans toward larger balances and longer repayment periods. Nearly three in 10 trade-ins involving new-vehicle purchases carried negative equity in the third quarter, according to Edmunds. But the more significant change is the amount borrowers are bringing into their next deal.
The average shortfall reached $7,107 in Q3 2026, up from $5,063 in 2020. For dealers, that means a growing number of customers may arrive ready to trade but carrying thousands of dollars in debt that their current vehicles cannot cover.
The cost of carrying old debt forward
Buyers who rolled negative equity into new-car loans financed an average of $57,235 in Q3, according to Edmunds, compared with $39,732 in the third quarter of 2019.
Their average monthly payment reached $952, up from $646 seven years earlier. At an average annual percentage rate of 8.1%, these borrowers were on track to pay an estimated $16,610 in interest over the life of their loans.
The additional debt also means longer exposure to the same problem. Some 91.2% of buyers rolling negative equity into new loans financed their purchases for 72 months or longer.
Compared with the average new-car buyer, these borrowers financed roughly $12,600 more and paid $165 more per month.
How the market got here
The current problem traces partly to the pandemic-era vehicle market, when shortages and unusually high prices pushed some buyers to pay above manufacturers' suggested retail prices.
“As the market normalized, buyers who purchased vehicles at peak prices, particularly those who paid above sticker price or financed their purchases over extended terms, faced a greater risk of owing more than their vehicles were worth,” noted Jessica Caldwell, head of insights at Edmunds.
The debt can follow buyers into their next purchase. The Consumer Financial Protection Bureau has warned that rolling negative equity into a new auto loan can leave borrowers further underwater on the replacement vehicle and increase the risk of a remaining debt balance if they cannot repay the loan. For buyers who need to replace a vehicle before paying down their existing loan, that shortfall can become part of the next financing decision
When a trade-in becomes a financing problem
Negative equity does not automatically prevent a sale. A customer may cover the shortfall with cash or finance the unpaid balance as part of the next loan, depending on lender requirements and the deal's structure.
But rolling the balance forward increases the amount financed before the customer has even begun paying for the replacement vehicle itself. Lender limits and the customer's credit profile can also determine whether the transaction gets approved.
The result is a trade-in that may be difficult to structure even when the customer is ready to buy.
For independent dealers, the figures raise a question about how many prospective buyers can move into another vehicle without taking on more debt or bringing additional cash to the deal. The underlying challenge may not simply be the size of the monthly payment, when large amounts of debt are attached to the vehicle the customer already owns.
