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Car Negative Equity Calculator

Find out if you're upside-down on your car loan. Compare what you owe to what your car is worth, see your loan-to-value, and the cost of rolling negative equity into a new loan.

Reviewed by Priya Shankar, CFP®, Reviewing Editor ·

Your current car

$
$

Trade-in / market value

If you roll into a new loan

$
%
mo

Negative equity (underwater)

−$5,000

You owe more than the car is worth

Loan-to-value

126%

Car value

$19,000

Rolled-in loan

$35,000

New price + negative equity

New monthly

$596.72

Rolling negative equity into a new loan means financing debt on a car you no longer own — it deepens how upside-down you are. Consider paying down the gap first, or using the payoff calculator to close it faster.

This calculator provides estimates only and is not a loan offer, financial advice, lender approval, or credit decision. Actual payments, rates, fees, payoff amounts, and savings depend on your lender, contract, credit profile, and loan terms. Read full disclaimer.

What negative equity means

Negative equity — being "upside-down" or "underwater" — happens when your loan balance is greater than your car's market value. Selling or trading in wouldn't cover what you owe, leaving a gap you'd have to pay or finance.

How it's calculated

Equity = current car value − loan balance. A negative number means you're underwater. Loan-to-value = balance ÷ value. If you roll the gap into a new loan, we add it to the new car's price and estimate the resulting payment. See the methodology.

Why rolling it forward is risky

Financing negative equity means borrowing for a car you no longer own, on top of a new car that also depreciates — deepening how upside-down you are. It's usually better to close the gap first using the payoff calculator.

Common mistakes to avoid

  • Trading in too early, when depreciation has outpaced your principal payments.
  • Choosing very long terms with little or no down payment, which causes negative equity.
  • Rolling the gap forward repeatedly, compounding the problem with each trade.

Why negative equity matters in real life

Negative equity isn't just an accounting label. If your car is totaled, your insurance pays out the market value at the time of loss — not what you still owe on the loan. The gap comes straight out of your pocket. If you need to sell because life changed (a move, a new job, a family situation), you have to write a check at closing to clear the title before the buyer can take possession. And if you trade an underwater car for a new one, the negative equity rolls forward into the new loan, making the next loan instantly underwater too — often by more than the original gap, because the new car also starts depreciating from day one.

How underwater is "normal"?

On a new car bought with a small down payment and a long term, being underwater for the first 12–24 months is common — even expected. Depreciation in the first year is steep (often 15%–20% of the purchase price), while principal payoff in the first year of a 72-month loan is modest. The danger isn't being underwater for a few months; it's being underwater for years and then trading in before the gap closes. That's the scenario that creates the rolled-forward negative-equity spiral that's hard to escape.

How to climb out of negative equity

  • Pay extra toward principal. The single most direct fix. Even $50–$100 a month, applied early in the loan, closes the gap faster because the extra dollars land during the months when interest would otherwise dominate. See the payoff calculator.
  • Keep the car longer. Depreciation slows as cars age; principal payoff accelerates as the balance falls. The two curves eventually meet. Sometimes the simplest strategy is just to drive what you've got for another year or two.
  • Refinance to a lower APR. If your credit has improved or rates have dropped, a refinance routes more of each payment to principal, which narrows the gap faster. The refinance calculator shows whether the math works after fees.
  • Buy GAP insurance if you're going to be underwater for a while. GAP covers the difference between the loan balance and the market value in the event of a total loss. It's usually $300–$700 one-time when bought from a credit union, often much more when added to a dealer financing contract. Cancel it once the loan is in positive-equity territory.

What not to do

Don't roll significant negative equity into a new car loan as a way to "solve" the problem. The debt doesn't go away — it just changes vehicles. The new loan starts further underwater than the old one was, and the second loan compounds the same depreciation curve on a now-larger balance. Most consumers who do this end up several thousand dollars more underwater within a year. The Consumer Financial Protection Bureau and several state attorneys general have raised concerns about lenders and dealers who facilitate this pattern.

Frequently asked questions

How do I know if I'm upside-down on my car?+

Compare your loan payoff balance to the car's current market or trade-in value. If you owe more than it's worth, you have negative equity. This calculator shows the exact gap.

How do I get out of negative equity?+

Pay extra toward principal to close the gap faster, keep the car longer so value and balance converge, or refinance to a lower rate so more of each payment reduces principal.

Can I trade in a car with negative equity?+

Yes, but the unpaid gap is typically added to your next loan, making it larger and likely upside-down from day one. Run the rollover scenario above before deciding.

Reviewed for accuracy

Priya Shankar, CFP®Reviewing Editor

Priya is a CERTIFIED FINANCIAL PLANNER™ who reviews AutoLoanWise content for technical accuracy. She works with consumer borrowers on debt strategy, credit, and large-purchase decisions.

. See our methodology for the formulas behind every result.