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Refinancing your car loan can lower your monthly payment and save you money on interest. But it is not always the right move. This guide explains when refinancing an auto loan makes sense and how to find the best lenders in 2026.
What Is Car Loan Refinancing?
When you refinance a car loan, you replace your current loan with a new one — ideally at a lower interest rate or with a longer term. The new lender pays off your old loan, and you start making payments to the new lender.
When Does It Make Sense to Refinance?
Refinancing makes the most sense in these situations:
1. Your Credit Score Improved
If you bought your car with a low credit score and have since improved it, you may now qualify for a much lower rate. Even a 2% to 3% rate drop on a $20,000 loan can save hundreds of dollars a year.
2. You Got a High Rate at the Dealership
Dealerships often mark up the interest rate they offer you. This is called dealer reserve. If you accepted financing through the dealership without shopping around, you may be paying more than necessary.
3. Interest Rates Have Dropped
When overall interest rates fall, auto loan rates tend to follow. If rates have dropped since you got your loan, refinancing could lock in a lower rate.
4. You Want a Lower Monthly Payment
Extending your loan term through refinancing can lower your monthly payment, even without a rate cut. But be careful — a longer term means more interest paid over time.
5. You Need to Remove a Co-Signer
If you want to take a co-signer off your loan and now qualify on your own, refinancing is how you do it.
When Refinancing Does NOT Make Sense
- Your car is old or has high mileage: Many lenders will not refinance vehicles that are more than 7 to 10 years old or have more than 100,000 to 150,000 miles.
- You are underwater on the loan: If you owe more than the car is worth, most lenders will not refinance it.
- Your loan is nearly paid off: If you only have a year or two left, the savings may not cover the fees and hassle.
- Your credit got worse: Refinancing with a lower score will likely raise your rate, not lower it.
How Much Can You Save?
Here is an example of how much refinancing can save:
| Scenario | Original Loan | Refinanced Loan |
|---|---|---|
| Loan Balance | $18,000 | $18,000 |
| Interest Rate | 9.5% | 5.5% |
| Term | 48 months | 48 months |
| Monthly Payment | $452 | $419 |
| Total Interest Paid | $3,696 | $2,112 |
| Savings | — | $1,584 total |
Best Lenders for Auto Loan Refinancing in 2026
LightStream (SunTrust/Truist)
LightStream offers some of the lowest rates for borrowers with excellent credit. Rates start under 5% for well-qualified applicants. No fees, no prepayment penalties.
PenFed Credit Union
PenFed is a great option for auto refinancing with competitive rates. Membership is open to most people. They offer refinancing on used and new vehicles.
OpenRoad Lending
OpenRoad specializes in auto refinancing. They accept a wider range of credit scores and make it easy to apply online. Good option if your credit is fair.
RefiJet
RefiJet works with a network of lenders to find you the best rate. Good for borrowers who want to compare multiple offers with one application.
Your Current Lender
Always check if your current lender will lower your rate. Some will adjust terms for good customers without requiring a full refinance, especially if you threaten to take your business elsewhere.
How to Refinance Your Car Loan: Step by Step
- Check your current loan details: balance, rate, remaining term, and payoff amount
- Check your credit score
- Get pre-approved with at least two to three lenders
- Compare rates, terms, and fees
- Choose the best offer and submit your full application
- The new lender pays off your old loan
- Start making payments on the new loan
What Documents Do You Need?
- Current loan account number and payoff amount
- Vehicle identification number (VIN)
- Vehicle title (or information on who holds it)
- Proof of income (pay stubs or tax returns)
- Proof of insurance
- Government-issued ID
Does Refinancing a Car Loan Hurt Your Credit?
There will be a small, temporary dip in your credit score when you apply. Lenders do a hard inquiry. But if you shop multiple lenders within a short window (14 to 45 days depending on the credit bureau), they usually count it as one inquiry.
Over time, refinancing can help your credit if it reduces your payment and makes it easier to pay on time every month.
If you are looking to manage multiple debts more efficiently, our guide on the best debt consolidation loans of 2026 covers options that may help.
You can also check our list of the best personal loans of 2026 if you are considering other ways to restructure your debt.
Frequently Asked Questions
How soon can I refinance my car loan?
You can technically refinance at any time, but most lenders want to see at least a few months of payment history. Waiting 6 to 12 months is ideal because it gives your credit score time to recover from the original loan inquiry and shows you can make payments.
What credit score do I need to refinance a car loan?
Most lenders want a 600 or higher. For the best rates, aim for 720 or above. Some lenders will work with scores below 600, but at higher rates.
Will refinancing my car loan extend my loan term?
Only if you choose to. You can refinance into the same term you have left, a shorter term, or a longer term. A shorter term means higher payments but less interest. A longer term lowers payments but costs more over time.
Can I refinance if I am upside down on my car loan?
It is difficult. Most lenders will not refinance a loan that exceeds the vehicle’s value. A few lenders do offer underwater refinancing, but expect a higher rate.
Are there fees to refinance a car loan?
Some states charge a small title transfer fee when you refinance. Lender fees for auto refinancing are rare. Many lenders offer no-fee refinancing. Always read the terms before signing.
Rates as of May 2026. Rates and terms change often. Check with each lender for the most current information.