5 best credit unions for auto loans in July 2026

When shopping for an auto loan, many borrowers turn to the big banks they already use or online lenders with sleek applications and fast approvals. But credit unions are an often-overlooked option that can save you money and offer a more personalized borrowing experience.

Because credit unions are not-for-profit financial institutions, they typically offer lower interest rates and fewer fees than traditional lenders. They may also be more flexible with borrowers who have less-than-perfect credit. If you’re financing a new car, a credit union could help you secure a more affordable loan. Read on for our picks of the best credit unions for auto loans and see our methodology below.

Who’s this for? Many PenFed customers on Trustpilot report positive experiences with customer service, remarking on how knowledgeable staff are and how quickly they resolve issues. In fact, the lender ranks second overall on JD Power’s 2026 U.S. Consumer Lending Satisfaction Study. Consider PenFed Credit Union if customer service is top of mind for you when it comes to financing your next car purchase.

Standout benefits: Anyone can become a PenFed Credit Union member. You’ll just have to open a PenFed savings account (either their “Regular Share Account” or their “Premium Online Savings Account”), follow the prompts on screen and deposit at least $5 into the account.

Who’s this for? Navy Federal Credit Union offers repayment terms as long as 96 months, which is longer than any other lender on this list. With a longer loan term, your monthly payments are typically lower which can help your budget in the short term; the longer you stretch your loan repayment, however, the more interest you accrue. According to Experian’s Q4 2025 State of the Auto Finance Market report, the average term for new car loans is just under 69 months, and longer loan terms are growing in popularity.

Standout benefits: Navy Federal Credit Union is geared toward veterans, active military members and their immediate family members, including spouses, siblings, parents, children, grandparents andgrandchildren. You can also become a member if you’re an employee, contractor or retiree of the Department of Defense.

Who’s this for? Refinancing gives you a chance to score a lower interest rate and ultimately reduce your monthly loan payment. Service Credit Union offers auto refinance loans with lower-than-average rates. If you have good credit, consider refinancing through Service Credit Union.

Standout benefits: Service Credit Union lets borrowers defer their first payment for up to 90 days. You can also get up to a 0.75% rate reduction with direct deposit set up to a Service Credit Union checking account.

Who’s this for? If you need a lender that offers fast approval, consider Alliant Credit Union. In most cases, the lender can get you an approval the same day you apply, and they boast a quick application process.

Standout benefits: Alliant Credit Union offers a debt protection program that lets your outstanding loan balance be canceled (without any penalties) in the event of death, disability or involuntary unemployment. You do have to pay an additional monthly fee for this coverage; for instance, you’d pay 75 cents per $1,000 of your outstanding loan balance if you want to cover your liability in the event of death. On a $20,000 auto loan, this works out to be an extra $15 per month. It may feel like yet another thing to pay for, but life is unpredictable and you never know when that extra layer of protection can come in handy.

Who’s this for? While you can’t avoid paying interest on car loans altogether, you may be able to slightly reduce the interest you pay with a discount. First Tech Federal Credit Union currently offers a 0.50% auto loan rate discount. It might not feel like much but every decimal counts toward savings.

Standout benefits: According to its website, First Tech can get you an approval decision immediately or within one business day, though it depends on factors like the loan amount and your credit history.

At CNBC Select, our mission is to provide our readers with high-quality service journalism and comprehensive consumer advice to help them make informed financial decisions. Every auto loan list is based on rigorous reporting by our team of expert writers and editors with extensive knowledge of auto financing products. While CNBC Select earns a commission from affiliate partners on many offers and links, we create all our content without input from our commercial team or any outside third parties, and we pride ourselves on our journalistic standards and ethics.

CNBC Selectanalyzed a handful of credit unions that offer auto loans to determine the best ones. We categorized our picks by best for customer service, best for long repayment terms, best for refinancing, best for same-day approval and best for APR discount.

To narrow our search, we focused on the following features:

• Loan amounts and terms:The lenders on this list offer a range of loan amounts and terms to suit a variety of needs.
• Prequalification:Wherever possible, we prioritized lenders that offer online prequalification, allowing you to get an estimate of your rate without affecting your credit.
• Membership eligibility: All lenders on this list offer specific criteria and requirements for becoming a member.
• Fees:We prioritized lenders that limit up-front fees.
• Application process:We evaluated whether lenders offered same-day approval and a fast online application.
• Customer service:The lenders on our list provide customer service available via telephone, email and secure online messaging.

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