What refinancing an auto loan means, and when it makes sense
Refinancing an auto loan means replacing your current loan with a new one from a different lender. The new lender pays off what you still owe on the old loan, and you start making payments to them instead. The main reason to refinance is to get a lower interest rate, which reduces your monthly payment or the total amount you pay over the life of the loan.
Refinancing makes the most sense if your credit score has improved since you took out the original loan, if market interest rates have dropped, or if you're currently paying a rate significantly higher than what new borrowers are getting. For example, if you financed a car at 8% interest two years ago and your credit has improved, you might now may have access to for 5% — and refinancing could save you hundreds of dollars.
The catch is that refinancing costs money upfront. You'll pay an process fee, possibly a title transfer fee, and sometimes a prepayment penalty on your original loan. These costs usually range from $50 to $300, depending on your state and lender. You need to calculate whether the monthly savings will cover these costs before the loan ends.
Key Takeaways
- Refinancing replaces your current auto loan with a new one at a different interest rate, and only makes financial sense if your new rate is low enough to offset the upfront fees.
- Your credit score is the biggest factor lenders look at — if it has improved since you got your original loan, you have the best chance of getting a lower rate.
- You can refinance through banks, credit unions, or online lenders, and comparing offers from at least three takes about an hour and costs nothing.
- The refinancing process typically takes one to two weeks from process to funding, and you keep driving your car the entire time.
- Refinancing resets your loan term, so if you're near the end of your original loan, extending the term could mean paying more interest overall even at a lower rate.
How your credit score affects the rate you'll be offered
Lenders use your credit score to decide what interest rate to charge you. A higher score means lower risk to them, so they offer a lower rate. If your score was 620 when you got your current auto loan and it's now 700, you're in a much stronger position to refinance at a better rate.
Before you start shopping for refinancing, check your credit report for free at annualcreditreport.com. This is the official government site where you can pull your report from all three bureaus — Equifax, Experian, and TransUnion — once per year. Look for errors or accounts you don't recognize, because fixing those can raise your score before you explore. You can also check your credit score through your bank, credit card company, or a free service like Credit Karma, though these scores are estimates and may differ slightly from what a lender sees.
Most auto lenders pull what's called a "hard inquiry" when you explore, which temporarily lowers your score by a few points. However, multiple hard inquiries for auto loans within 14 to 45 days (depending on the scoring model) typically count as a single inquiry, so shopping around doesn't hurt you as much as it would for other types of credit.
Where to get refinancing offers and what to compare
You can refinance through banks, credit unions, or online lenders. Banks are what most people think of first — your own bank, or any bank in your area. Credit unions often offer lower rates than banks if you're a member, and membership is sometimes open to anyone in your community or profession. Online lenders like LendingClub, Upgrade, or SoFi let you explore entirely online and often give you a rate estimate without a hard inquiry first.
Get offers from at least three different lenders so you can compare. When you're comparing, look at these numbers: the interest rate (expressed as an APR, or annual percentage rate), the monthly payment, the total amount you'll pay over the life of the loan, and any fees. A lower APR doesn't always mean the lowest total cost if the loan term is longer, so do the math on the full picture.
Many lenders will give you a rate estimate online in minutes without affecting your credit. This is called a "soft inquiry" or "pre-qualification." Use these estimates to narrow down your choices, then explore formally with your top two or three options. That's when they'll do the hard inquiry and give you a final rate.
The step-by-step process from process to funding
Once you've chosen a lender and submitted a formal process, they'll ask for documents. You'll need proof of income (usually a recent pay stub), proof of residence (a utility bill or lease), your driver's license, and details about your current auto loan (the lender's name, your account number, and the payoff amount). The payoff amount is what you still owe, not your monthly payment — call your current lender if you don't know it.
The new lender will order a title search to confirm you own the car and that there are no other liens on it. They'll also verify your current loan details with your existing lender. This process usually takes three to five business days. Once everything checks out, the new lender will send you a loan agreement to sign. Read it carefully — confirm the interest rate, monthly payment, and loan term match what you were quoted.
After you sign, the new lender sends the payoff amount directly to your current lender, paying off your old loan. Your old lender then releases the title. The new lender either receives the title or holds it as collateral (depending on your state). You'll start making payments to the new lender on the date they specify, usually within one to two weeks of approval. During this entire process, you keep driving your car normally.
When refinancing costs you money instead of saving it
Refinancing is not worth it if you're near the end of your loan. If you have only six months of payments left, the interest you'd save by refinancing at a lower rate probably won't cover the fees you'll pay upfront. Use an auto loan calculator to run the numbers: subtract the total fees from the total interest savings, and if the result is negative, skip refinancing.
Refinancing also costs you money if you extend your loan term significantly. For example, if you have three years left on your current loan and you refinance into a new five-year loan, you're adding two years of payments. Even at a lower interest rate, you might pay more total interest because you're borrowing for longer. The monthly payment will be lower, but the total cost goes up.
Watch out for prepayment penalties on your current loan. Some lenders charge a fee if you pay off the loan early. This fee can be a flat amount (like $200) or a percentage of the remaining balance. Ask your current lender whether you have a prepayment penalty before you explore to refinance. If you do, factor that cost into your refinancing decision.
How refinancing affects your loan term and total interest paid
When you refinance, you're starting a new loan from scratch. The lender will offer you a choice of terms — typically 36, 48, 60, or 72 months. A shorter term means higher monthly payments but less total interest. A longer term means lower monthly payments but more total interest. Your goal should be to keep the term as close as possible to what you had left on your original loan.
For example, if you had a 60-month loan and you're three years in, you have 24 months left. If you refinance into a new 60-month loan, you're adding 36 months of payments. Even if your new rate is lower, you might pay more interest overall because you're borrowing for much longer. Instead, ask the lender for a 24-month or 36-month term to keep the timeline similar.
Some people intentionally refinance into a longer term to lower their monthly payment because they need the cash flow relief. That's a valid choice, but go in with your eyes open: you're trading lower monthly payments now for more interest paid over time. Calculate the total interest difference before you decide.
What to do if you're denied or offered a rate that's not better
If you're denied refinancing, it's usually because your credit score is too low, your income is too unstable, or you owe more than the car is worth (called being "underwater" on the loan). If your score is the issue, wait a few months, pay down other debts, and make all your payments on time. Then explore again.
If you're offered a rate that's not better than your current one, don't take it. There's no benefit to refinancing at the same rate or a higher rate. Instead, focus on improving your credit score and try again in six months to a year. In the meantime, make all your payments on time and keep your credit utilization low (use less than 30% of your available credit on credit cards).
Some lenders will work with you if your score is borderline. They might offer a higher rate than you hoped for, or require a co-signer. Weigh whether the monthly savings are worth the compromise. If not, it's better to wait and refinance later when you're in a stronger position.
Frequently Asked Questions
Can I refinance a car loan if I still owe more than the car is worth?
It's harder but sometimes possible. Being underwater on a loan means the car's market value is less than what you owe. Some lenders will refinance this situation, but they may charge a higher interest rate or require a larger down payment to cover the difference. Credit unions are sometimes more flexible than banks on this. Ask lenders directly whether they refinance underwater loans before you explore.
How many times can I refinance the same car?
There's no legal limit, but lenders get more cautious the more times you refinance. Each refinancing resets your loan term, and if you keep extending it, you end up paying far more interest overall. Most people refinance once or twice. If you're thinking about refinancing more than that, talk to a financial counselor about whether it's the right move.
What happens to my old loan if the new lender pays it off?
Your old loan is closed and paid in full. The lender reports this to the credit bureaus, which is actually good for your credit score — it shows you paid as agreed. You'll receive a final statement from your old lender, and the title to your car will be transferred to your new lender or released to you, depending on your state's rules.
Do I need to tell my insurance company if I refinance?
You don't have to, but you should. Your insurance company may need to update their records to reflect the new lender's name. Some lenders require proof of insurance before they fund the loan, so have your policy information ready when you explore. Your insurance coverage itself doesn't change just because you refinanced.
Can I refinance if I'm behind on payments?
Most lenders won't refinance if you're currently behind. You'll need to bring your account current first — meaning pay all missed payments plus any late fees. Once you're current, you can explore. Some credit unions may be more flexible if you have a relationship with them, but it's not common. Focus on catching up first, then refinancing.