Negative equity trade-in calculator
See what your old loan adds to your next one. Make the trade-off visible.
Your numbers
Includes entered taxes & fees in both modes.
Based on the assumptions you enter.
- Trade-in equity
- -$4,000.00
- Debt rolled into loan
- $4,000.00
- Extra monthly cost of debt
- $78.26
- Extra interest on debt
- $695.88
Fixed-rate estimate. Taxes and all entered fees are financed. Insurance and running costs are not included.
Your options, side by side
| Option | Monthly payment | Total interest | Total cost |
|---|
Your path to paid off
Remaining loan balanceWhere your money goes
Monthly amortization
Unrounded calculation; values displayed to cents| Month | Payment | Principal | Interest | Balance |
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Understand the numbers
How this calculator works
Negative equity is the gap between the amount needed to pay off your current loan and the amount offered for the car. Rolling that gap into a new loan finances old debt at the new interest rate. Lenders may limit how much they finance. Use a dated payoff quote, because the current statement balance may not include interest through the trade date.
A worked example
If a dealer offers $15,000 and your lender requires $19,000 to release the title, you have $4,000 in negative equity. Financing that $4,000 at 6.5% for 60 months adds about $78.26 to each payment.
The formula, in plain sight
Equity = trade-in value − payoff. Rolled debt = min(new principal, max(0, payoff − trade-in value)), after applying cash down. New principal = out-the-door price − down payment − equity. Added payment = payment with rolled debt − payment without rolled debt.
Keep your comparison going
Learn more from the Consumer Financial Protection Bureau’s auto loan resources. Confirm contract details with your lender.
Frequently asked questions about negative equity
What does negative equity mean on a car loan?
Negative equity means your loan payoff is greater than the vehicle’s trade-in or sale value. For example, if a lender’s payoff quote is $18,000 and the trade offer is $15,000, the difference is $3,000. That shortfall still has to be addressed when you sell or trade the car; a dealer promise does not erase the debt.
Source: FTC on negative equity
How do I calculate negative equity on my car?
Subtract the vehicle’s current trade-in offer from a dated loan payoff quote: payoff minus value equals negative equity when the result is above zero. Use the lender’s payoff amount for the expected transaction date, because it can differ from the balance on a recent statement. Enter both numbers in the calculator to see the possible effect on a replacement loan.
Related: Negative equity trade-in calculator
Source: FTC on negative equity
Can I trade in a car with negative equity?
You can ask a dealer to evaluate a trade-in with negative equity, but the unpaid difference must still be paid or handled in the transaction. Depending on the lender and deal, it may be paid in cash or included in new financing. Read the contract to see exactly where the old payoff and trade value appear before signing.
Source: FTC on negative equity
Can negative equity be added to a new car loan?
A lender may allow some or all of the shortfall to be financed with a new loan, subject to its approval and loan limits. Adding it increases the amount borrowed and can raise the payment and total interest. Ask for a written breakdown showing the trade value, old payoff, new amount financed, APR, and term.
Related: Car payment calculator
Source: FTC on negative equity
How much does rolling negative equity into a new loan increase my payment?
The increase depends on the shortfall, APR, and new term. As an illustration, financing an extra $3,000 at 7% APR for 60 months adds about $59.40 per month before any related tax or fee changes. The calculator compares a scenario with and without the shortfall; your lender’s approval and contract determine the actual payment.
Related: Negative equity trade-in calculator
Is it better to pay off negative equity before trading in a car?
Paying the shortfall yourself or waiting while you reduce the old balance can lower the amount you need to finance on another car. Whether that is practical depends on your savings, transportation needs, and loan terms. Compare the new loan with and without rolled debt, and avoid judging a trade by monthly payment alone.
Related: Car payment calculator
Source: FTC on negative equity