How to refinance your auto loan (and when it makes sense)
You might be familiar with refinancing a mortgage. But what about refinancing your auto loan? Many people don’t realize it’s even an option....
Aside from buying a home—or maybe paying for college—a car will likely be one of your biggest purchases as an adult. And with today’s prices, the numbers are significant.
In 2025, the average monthly new car payment was $745, and the used car average was $521, according to Experian. For many households, that’s a huge chunk of the monthly budget.
That’s why getting the best deal possible matters—on both the car price and the financing.
“The car-buying process is less daunting if you do your homework before you shop,” said Maria Hall, indirect lending processor supervisor at Dupaco Credit Union.
This guide will walk you through how rebates and incentives work, when to shop and how to decide whether a rebate or a low-interest loan makes more sense. You’ll also get tips on pre-approval, negotiation and questions to ask before signing anything.
It’s easy to get laser-focused on finding the perfect car and haggling the purchase price. But your financing terms could also make or break the deal.
[/vc_column_text][vc_empty_space][vc_column_text]Here’s an example: Let’s say you put $6,000 down on a $30,000 car purchase and borrow over a 60-month loan term. Look at the amount you’d spend each month at these different interest rates:
That’s money back in your pocket, just from securing a better rate—and could be the difference between covering a family vacation or paying extra to a lender.[/vc_column_text][vc_empty_space]
[vc_column_text]Timing can be key. Some of the best times to shop include:

Once you know how much you can afford—and the general type of vehicle you’re looking for—you can start looking at car incentives.
Car incentives go by many names, including:
Automakers offer these deals at different times on specific makes and models of vehicles. And if you cringe at haggling prices, there’s good news: You don’t have to negotiate to get these offers!
Here’s how the most popular incentives work when buying a car:
Cash-back offers might go by names like bonus cash, rebate, purchase allowance or loyalty bonus.
Whatever the label, they all accomplish a similar goal: Reduce the purchase price of the car.
Example: A $2,000 rebate on a $30,000 car instantly lowers the cost to $28,000.
In the case of a loyalty bonus, you’re rewarded with a lower purchase price for being a returning (loyal) customer.
Calculate how much to spend on your next car >
Automakers also offer low- or zero-rate financing incentives, reducing the amount of interest you pay on your auto loan.
This can help you either:
Keep in mind: Automakers typically require you to finance your vehicle through their finance company to qualify for financing offers. And you’ll usually need to have a higher credit score to be eligible.
Learn how to build your credit before you shop >
You can also find deals on leasing certain vehicles. Leases can come with rebates or low financing.
But the structure is different. Leasing may mean a lower monthly payment, but you won’t own the car at the end.
Should you lease or finance your next car? >
It really depends. And here’s why:
But never assume one deal is better than the other. You’ll want to look beyond the monthly payment that any car incentive promises.
“You’ll want to compare whether a low-interest rate or rebate will be the better deal long-term,” Hall said. “In some instances, a down payment plus the rebates might figure better in the long run than 0% interest.”
The easiest way to compare is to calculate the total cost of each option (purchase price + interest paid). You’ll also want to consider the trade-in value of your current vehicle if you’re trading it. The lowest total price will save you the most money.
Our auto loan calculator can help you do the math >
Car incentives come from automakers and get passed on to you through the dealership you purchase from.
You can find the latest deals and rebates in several places:
Use our free resources to help you find your next car
Even if there’s an incentive in play, you should still negotiate. The dealer might be able to lower the price even more.
Here are a few tips:

With any offer you consider, you’ll want to understand the fine print.
Here are some questions you can ask the dealer to help you understand a promotion’s eligibility requirements:
When you buy a car, you’ll likely be offered add-ons, like extended warranties, GAP coverage or protection packages.
Just like car incentives, no two warranty packages are alike. And they can vary widely in coverage and cost. It’s important to compare offerings at both the dealership and your financial institution.
“Make sure you’re comparing apples to apples on these products,” Hall said. “You may find that what the dealer can offer covers more. Think about what additional products would be most beneficial for your needs and budget.”
Getting the best deal on a car today means looking beyond the shiny rebate ads. You’ll want to:
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Heads up! This link leads to a different website.
We only do this when it's helpful for you. But we must inform you that Dupaco isn't responsible for the site's content, products, services, policies or sponsors. Also, Dupaco's Privacy Policy does not apply to third-party sites. So, if you have concerns, please look at its privacy disclosures.