Calculate Your Savings with a Refi
Enter the specifics about your current loan into our easy-to-use calculator and determine how much interest refinancing can save you.
5.14%
up to 63 months
Whether you’re buying a new or used vehicle or refinancing an existing auto loan, we’re here to help you make a confident choice.
Check What Documents You'll Need.
Refinancing an auto loan means replacing your current loan with a new one, ideally at a lower interest rate or with different terms. A lower rate could reduce your monthly payment, lower the total interest you pay over the life of the loan, or both.
It may be worth exploring refinancing if your credit has improved since you took out your original loan, rates have dropped, or your current loan has a higher interest rate than you may qualify for today. St. Mary’s Bank’s auto loan refinance calculator lets you estimate your potential savings before you apply. You can also refinance a vehicle currently financed with another lender.
Upload auto loan documents or check your status here.
Choosing a credit union for your auto loan means choosing a financial institution that puts its members first. As a member-owned, not-for-profit credit union, St. Mary’s Bank puts earnings back into the credit union to benefit our members. That helps us offer competitive rates with APR as low as 5.14%* (with a rate discount for members who set up automatic payments*), fewer fees, and real value that goes back to the communities and people we serve.
There’s no one right choice for everyone. Dealer financing can sometimes include special manufacturer offers, while financing through a credit union can give you another option to consider as you shop. With St. Mary’s Bank, you can apply for an auto loan and learn about your financing options before you buy, giving you a better idea of what may fit your budget. We offer competitive auto loan rates with no dealer markup on the rate you qualify for, and we work with dealerships to help make financing your vehicle a smooth part of the buying process.
Credit unions are member-owned and not-for-profit, which means earnings can be put back into the credit union to benefit members through competitive rates, fewer fees, and other member-focused services. As the nation’s first credit union, St. Mary’s Bank offers competitive auto loan rates, expanded terms up to 84 months, and rate discounts for members who set up automatic payments. And like a bank, your deposits at St. Mary’s Bank are federally insured by the NCUA, providing the same level of federal insurance protection available through the FDIC at banks.
For most vehicle purchases, an auto loan can be a better fit than a personal loan. Auto loans are secured by the vehicle itself, which can allow for a lower interest rate than an unsecured personal loan. They’re also designed specifically for vehicle purchases, with terms and rates based on factors such as the vehicle’s model year.
St. Mary’s Bank offers great, low rates on auto loans for new and used vehicles, making an auto loan a smart option to consider when financing your next vehicle.
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*Annual Percentage Rate (APR) accurate as of 9/17/26. Lowest available APR for model years 2024-2026, up to a 63-month term. APR based on $10,000 financed with 63 monthly payments of $18.14 per thousand. APR reflects 0.10% discount with Automatic Funds Transfer (AFT) from a St. Mary’s Bank checking account; a 0.25% discount when the loan amount is 80% or less of the MSRP (new auto loans) or 80% or less of the NADA Retail Value (used auto loans), and vehicle with 100,000 miles or fewer. APR for vehicles with 100,001 miles or more will be increased by 1.00%. $50 application fee waived. Rates and terms subject to change.