Bottom line: Refinancing your car loan makes sense when interest rates have dropped since you got the original loan, your credit score has improved, or you took dealer financing and suspect the rate was inflated. Even a 2-point rate reduction on a $25,000 loan with 3 years remaining saves roughly $810 to $850 at rates between 8% and 12%. The process can take about 30 minutes online, and many lenders charge no application fee.
Auto loan refinancing replaces your current car loan with a new loan, typically from a different lender at a better rate. Unlike mortgage refinancing, there is usually no appraisal and no large closing cost. The process is simple and can often be completed online. You will still need a new title that names the new lender, and the title and lien fees are set by your state. Be wary of any company that asks for an up-front fee to "get you a lower payment". The FTC warns that this is a common refinancing scam. Learning how to refinance a car loan empowers you to take control of your monthly payments and overall loan terms.
When Refinancing Your Car Loan Makes Sense
Your credit score has improved. If your credit was fair or poor when you financed the vehicle but has since improved, you now qualify for better rate tiers. A large credit score improvement can move you into a better rate tier and lower your rate by several percentage points.
You took dealer financing. Dealers make money on financing markups: they receive a lower rate from the lender and charge you more, and the spread is their profit. If you accepted whatever rate the dealer offered without shopping, there is a good chance you can refinance at a lower rate.
Interest rates have fallen. If market auto loan rates are lower than when you financed, you may qualify for a better rate even without a credit score change.
You financed recently but got a high rate. Refinancing within 6–12 months of the original loan is common, especially if you needed to buy quickly and did not have time to shop rates.
When it probably does not make sense:
- Your loan has less than 12 months remaining (savings do not justify the effort)
- Your car is more than 10 years old or has high mileage (many lenders have restrictions)
- You owe more than the car is worth (many lenders limit the loan to a share of the car's value)
How Much Can You Save?
- Original rate
- 9%
- New rate
- 6%
- Monthly savings
- ~$28
- Savings over 3 years
- ~$990
- Original rate
- 11%
- New rate
- 7%
- Monthly savings
- ~$47
- Savings over 3 years
- ~$1,680
- Original rate
- 13%
- New rate
- 8%
- Monthly savings
- ~$71
- Savings over 3 years
- ~$2,550
Compare an existing personal loan with a new refinance offer after rate, term, and fees.
New Payment
$381
Use this result as one input in your broader Money Map, not as a one-off number.
What to do
Plan your next move
Estimates use your entered assumptions. Confirm the relevant rules before acting.
The Refinance Process: Step by Step
Step 1: Check your credit score and current loan details. Know your current rate, remaining balance, and monthly payment. Get your credit score for free through your card issuer or Credit Karma.
Step 2: Get quotes from at least three lenders. Apply at multiple lenders, since credit unions typically offer the best auto refinance rates. Online lenders and banks are also worth checking. Many credit scoring models count several auto loan applications made close together as one credit inquiry. The CFPB says the window is 14 to 45 days depending on the scoring model, so keep your applications within about two weeks. Ask each lender before you apply.
Step 3: Compare the full offer. Compare APR (not just monthly payment), loan term, any prepayment penalty on your current loan and on the new one, and whether the term resets your payoff date.
Step 4: Accept the best offer and complete the application. You will need: driver's license, vehicle VIN and mileage, payoff amount from your current lender, proof of insurance, and recent pay stubs or proof of income.
Step 5: New lender pays off old loan. The new lender sends a payoff check to your old lender. Confirm the payoff clears and you receive the new lender's payment instructions.
- Avoid extending the loan term when refinancing. If you have 36 months left on your current loan, refinancing into a new 60-month loan at a lower rate may reduce your monthly payment, but you pay more total interest over the extended term. Match the new term to your remaining balance whenever possible.
- Credit unions often offer lower auto refinance rates than banks. Check PenFed Credit Union, Alliant Credit Union, and local credit unions, and compare their rates with banks and online lenders. Membership is often easy to qualify for.
- Many lenders charge no application fee, no origination fee, and need no appraisal. Confirm this in each offer. The main potential cost is a state title and lien fee, which varies by state, when the lien changes from the old lender to the new one.
What Lenders Check
- Credit score and report
- Debt-to-income ratio
- Vehicle age and mileage (many lenders set limits on age and mileage, so ask)
- Loan-to-value ratio (loan balance vs. car's current market value)
- Employment and income verification
Many borrowers with good credit hear back within a day. Rates are better for newer vehicles and shorter remaining terms.
If your credit needs work before you refinance, see what credit score do you need for a car loan and how to increase your credit limit. Compare current personal loan rates if a personal loan payoff is also an option. The Consumer Financial Protection Bureau's auto loan guidance and the Federal Trade Commission's guide to auto financing both cover your rights when refinancing or shopping for a loan.
Auto loan rates vary by credit score, vehicle age, loan term, and lender. Compare current rates before applying. The savings table is our own amortization math for 36 months remaining, and the $810 to $850 range assumes 8% to 12% starting rates. Credit union rate claims and lender limits on car age and mileage are common practice, not verified for every lender. Sources checked October 23, 2026: CFPB on shopping for an auto loan, FTC on auto loan refinancing scams, CFPB on title and registration fees.
Frequently Asked Questions
Is it worth it to refinance a car loan?
Does refinancing a car loan hurt your credit?
How much does it cost to refinance an auto loan?
Can I refinance if I owe more than my car is worth?
The 5-minute money briefing
One email per week. The biggest changes in savings, money market, checking and CD rates.
Send me the weekly SwitchWize rate briefing: the biggest changes in savings, money market, checking and CD rates. Unsubscribe in one click. We never share your address.
Act on this: today's top loans


Ranked by SwitchWize's composite score. Some partner links may compensate SwitchWize.
Editorial review
What changed since the last update
Was this guide helpful?
Found an inaccurate, outdated, or missing claim? Report a correction. We verify reports against the relevant source before changing a guide or ranking.