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Car loan basics

What is negative equity on a car?

Negative equity means you owe more on your car loan than the car is worth today. If you keep the car and keep paying, it is mostly a number on paper. It becomes real money when you sell, trade in, the car is written off, or it is repossessed, because you still owe the gap.

By the Fair Finance Editorial Team·Updated 9 November 2026

Common questions

What does negative equity on a car mean?

It means the amount left on your car loan is higher than the car's current market value. If you owe $14,000 and the car would sell for $10,500, you have $3,500 of negative equity. It is also called being upside down on the loan.

Is negative equity bad?

Not by itself. If you keep the car and keep making your repayments, the loan stays the same and the gap usually shrinks as you pay it down. It causes problems when you need to sell, trade in, claim after a write-off, or if the lender repossesses the car.

Can I sell a car with negative equity in NZ?

Yes, but the sale price will not clear the loan, so you have to cover the shortfall yourself, usually from savings. The lender holds a registered claim on the car, so the payout has to be settled as part of the sale. Ask your lender for a written settlement figure first.

What happens if my car is written off and I owe more than it is worth?

Your insurer pays what your policy says the car was worth, which can be less than the loan balance. You still owe the lender the difference. Some people take GAP insurance or an agreed-value policy to cover that gap, so read the wording and ask your lender what they would expect.

Does negative equity affect my credit score?

Negative equity is a comparison between your loan and the car's value, not a missed payment. Missed repayments are what can show up on a credit file. If you struggle to keep paying, ring your lender early, because hardship options such as a longer term, a payment holiday or interest-only payments for a time may be available.

Can I roll negative equity into a new car loan?

Some dealers offer to add the shortfall to the next loan. It works on paper, but you then borrow more than the new car is worth from day one, so you start the new loan in negative equity. Nobody can promise a lender will agree to it, and it is usually a costly way out.

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