10 mins read 
Key takeaways
- Negative equity means you owe more on your car loan than your car is worth.
- Lenders usually look at LTV, not just the dollar amount of negative equity.
- An LTV over 100% means you’re upside down on your car loan.
- Some lenders may consider higher LTVs, but approval often gets harder around 120% to 125% or higher.
- If your negative equity is too high, paying down your balance or waiting may improve your refinance options.
There’s no single dollar amount of negative equity that is automatically too much to refinance. Lenders usually look at your loan-to-value ratio, or LTV, which compares how much you owe on your car loan with what your car is worth.
If your LTV is over 100%, you owe more than the car is worth. That means you have negative equity. Some lenders may still consider your refinance application, but approval could get harder as your LTV gets higher.
The good news: Negative equity doesn’t always mean refinancing is off the table. Your credit, income, payment history, vehicle age, mileage, and debt-to-income ratio can all affect your options.
What does negative equity mean?
Negative equity means your auto loan payoff amount is higher than your car’s current value.
For example, say your car is worth $20,000, but your loan payoff is $24,000. You have $4,000 in negative equity.
That doesn’t always mean you made a bad decision. Cars can lose value quickly, especially in the first few years. You may also end up upside down if you had a long loan term, made a small down payment, rolled fees into your loan, or traded in a previous car with negative equity.
Before you decide what to do next, it helps to know exactly where you stand. You can use Caribou’s guide to calculate whether you’re upside down on your car loan before checking refinance options.
How lenders judge “too much” negative equity
Lenders don’t look at negative equity as one flat dollar amount. Instead, they look at LTV.
LTV shows how much of the car’s value you want to finance. The higher your LTV, the more risk the lender takes on.
Here’s the basic formula:
Loan payoff amount ÷ car value x 100 = LTV
Say your payoff amount is $25,000 and your car is worth $20,000.
$25,000 ÷ $20,000 x 100 = 125% LTV
That means you owe 125% of the car’s value.
LTV examples for negative equity
| Loan payoff amount | Car value | LTV | What it means |
|---|---|---|---|
| $18,000 | $20,000 | 90% | You have positive equity. |
| $20,000 | $20,000 | 100% | You’re about even. |
| $22,000 | $20,000 | 110% | You have some negative equity. |
| $25,000 | $20,000 | 125% | You have higher negative equity. |
| $28,000 | $20,000 | 140% | Refinancing may be harder. |
A lower LTV can help your refinance application look stronger. A higher LTV doesn’t automatically mean you won’t qualify, but it could limit your lender options or affect your rate and terms.
To understand this part more deeply, read Caribou’s guide to how LTV affects auto refinance.
So, how much negative equity is too much?
It depends on your car’s value, not just how many dollars you owe.
For example, $5,000 in negative equity may look very different depending on the car:
| Car value | Loan payoff amount | Negative equity | LTV |
|---|---|---|---|
| $30,000 | $35,000 | $5,000 | 117% |
| $20,000 | $25,000 | $5,000 | 125% |
| $12,000 | $17,000 | $5,000 | 142% |
In each case, the negative equity is the same. But the LTV is not.
That’s why there’s no universal cutoff. Some lenders may consider a loan with an LTV around 120% to 125%, especially if the rest of your application is strong. Once your LTV rises above that range, refinancing can become harder.
Is $10,000 in negative equity too much to refinance?
$10,000 in negative equity may be too much for some refinance lenders, but it depends on your vehicle’s value and your full application.
If your car is worth $40,000 and your payoff is $50,000, your LTV is 125%. That may still be within range for some lenders.
If your car is worth $20,000 and your payoff is $30,000, your LTV is 150%. That can be much harder to refinance.
The dollar amount matters, but the percentage tells the clearer story.
Why negative equity can make refinancing harder
When you refinance, your new lender pays off your current auto loan and replaces it with a new one. If your payoff amount is higher than your car’s value, the lender has to finance more than the vehicle is worth.
That can make approval harder because the car may not fully cover the loan balance if the borrower stops making payments or the vehicle is totaled.
But LTV is only one part of the decision. Lenders may also review:
- Your credit score.
- Your income.
- Your payment history.
- Your current loan balance.
- Your debt-to-income ratio.
- Your vehicle’s age and mileage.
- How much time remains on your current loan.
For example, a borrower with steady income, on-time payments, and a stronger credit profile may have more options than someone with the same LTV but a weaker overall application.
If you’re not sure where you stand, it can help to review what credit score you may need to refinance a car and how your debt-to-income ratio affects auto refinance.
Can you refinance if you’re upside down on your car loan?
You may be able to refinance if you’re upside down, but approval is not guaranteed.
Refinancing may make sense if you can qualify for a lower APR, lower monthly payment, shorter loan term, or a loan that better fits your budget. It may not make sense if the new loan adds too much cost, stretches your repayment too far, or doesn’t improve your situation enough to justify the change.
That’s why it’s important to compare the full offer, not just the monthly payment. Look at the APR, loan term, fees, total interest, and how long you plan to keep the car.
Caribou’s guide to how much you can save by refinancing your car loan can help you think through the trade-offs.
What to do if you have too much negative equity to refinance
If your LTV is too high right now, you still have options. You may just need to improve your position before refinancing.
Pay down your loan balance
Making extra principal payments can lower your payoff amount and improve your LTV. Even a few smaller payments can help if you’re close to a lender’s cutoff.
Before making extra payments, check with your current lender to make sure the money goes toward principal and not future payments.
Keep the car longer
Time can help if you keep making on-time payments and your car’s value doesn’t drop faster than your loan balance. This approach may work best if your car is reliable and your current payment still fits your budget.
Bring cash to the refinance
Some borrowers lower their LTV by paying part of the balance at closing. This can help if you’re close to qualifying but need to reduce the amount being financed.
Improve the rest of your application
A better credit profile, lower debt, or higher income may help your refinance application. You don’t need a perfect financial picture, but lenders usually want to see that the new loan is manageable.
Compare options before trading in
Rolling negative equity into another car loan can increase your new loan balance, monthly payment, and total interest. That doesn’t mean it’s always the wrong choice. Sometimes you need a safer or more reliable vehicle. But it’s worth understanding the cost before you sign.
When refinancing with negative equity may make sense
Refinancing with negative equity may still be worth checking if:
- Your credit has improved since you got your current loan.
- Interest rates are lower than when you first financed the car.
- Your current APR is high.
- You’ve made consistent, on-time payments.
- Your monthly payment no longer fits your budget.
- You plan to keep the car long enough for the refinance to help.
Checking your rate through Caribou uses a soft credit pull, so it won’t impact your credit score. If you choose an offer and move forward, a hard credit inquiry may be required.
When it may be better to wait
Waiting may make more sense if your LTV is very high, your current loan is almost paid off, your car has very high mileage, or the new loan would increase your total cost too much.
You may also want to wait if your credit score is close to improving or if you can pay down part of the balance soon.
The goal isn’t just to get approved. It’s to choose a loan that helps your budget without creating a bigger problem later.
Bottom line
Negative equity doesn’t automatically stop you from refinancing, but too much negative equity can make it harder to qualify.
Instead of focusing only on the dollar amount, calculate your LTV. An LTV over 100% means you’re upside down. Around 120% to 125%, lender options may become more limited. Above that, you may need to pay down the balance, bring cash to the refinance, or wait until your numbers improve.
If your current loan has a high APR or your payment feels too high, checking refinance options can still be a smart next step. Just compare the full offer, including the APR, term, fees, monthly payment, and total cost.
FAQs: How much is too much to auto refinance?
Can I refinance a car with negative equity?
You may be able to refinance a car with negative equity, but it depends on the lender and your overall application. Lenders may review your LTV, credit score, income, debt-to-income ratio, payment history, vehicle age, and mileage.
What LTV is too high to refinance a car?
There’s no universal cutoff. Some lenders may consider LTVs around 120% to 125%, but approval often gets harder above that range. A lower LTV can improve your chances of getting more options.
Is 125% LTV bad for auto refinance?
A 125% LTV means you owe 25% more than your car is worth. That may make refinancing harder, but it doesn’t always rule it out. Your credit, income, payment history, and vehicle details still matter.
Is $5,000 in negative equity too much to refinance?
Not always. $5,000 in negative equity on a $30,000 car creates a much lower LTV than $5,000 in negative equity on a $12,000 car. Lenders usually care more about LTV than the dollar amount alone.
Is $10,000 in negative equity too much to refinance?
It can be. If your car is worth $40,000, $10,000 in negative equity may put you around 125% LTV. If your car is worth $20,000, the same $10,000 may put you around 150% LTV, which can be harder to refinance.
Can a down payment help me refinance with negative equity?
Yes. Paying part of the balance upfront can lower your LTV and may improve your refinance options. This can help if you’re close to qualifying but your loan balance is slightly too high.
Should I refinance or pay down negative equity first?
It depends on your current loan and the refinance offers you qualify for. If refinancing lowers your APR or monthly payment enough to help, it may be worth considering. If your LTV is too high, paying down the balance first may give you better options later.
Does negative equity affect my refinance rate?
It can. A higher LTV may limit your lender options or lead to less favorable terms. But lenders also look at your credit, income, payment history, debt, and vehicle details.
