Yes, credit unions generally offer lower interest rates than banks on loans, and the gap is consistent enough to show up quarter after quarter in federal data. At the end of 2025, the national average rate on a 60-month new car loan was 5.44% at credit unions and 7.41% at banks. Credit cards averaged 12.58% at credit unions versus 15.27% at banks.1National Credit Union Administration. Credit Union and Bank Rates 2025 Q4 The reason is structural: credit unions are member-owned cooperatives that don’t answer to outside shareholders, and federal credit unions pay no federal or state income tax.
Why the Gap Exists
Every depositor at a credit union is a partial owner. Any surplus the institution generates goes back to members through better rates and lower fees rather than out to investors. Without shareholders demanding returns, lending margins can stay thin.
The tax code widens the gap. Under 12 U.S.C. § 1768, federal credit unions are exempt from all federal, state, and local taxes except property taxes on real estate and tangible personal property.2Office of the Law Revision Counsel. 12 USC 1768 – Taxation A commercial bank earning $50 million in profit owes corporate income tax on that amount. A federal credit union earning the same surplus owes nothing. Credit unions also tend to spend less on advertising and pay lower executive compensation than large national banks. Stacked together, these factors produce a pricing edge that shows up clearly in the numbers.
How Big Is the Gap by Loan Type
The NCUA publishes quarterly rate comparisons. As of the fourth quarter of 2025:1National Credit Union Administration. Credit Union and Bank Rates 2025 Q4
- New car loan, 60 months: 5.44% at credit unions vs. 7.41% at banks
- Used car loan, 48 months: 5.53% at credit unions vs. 7.73% at banks
- Unsecured personal loan, 36 months: 10.64% at credit unions vs. 12.00% at banks
- Classic credit card: 12.58% at credit unions vs. 15.27% at banks
On a $30,000 new car loan over five years, the roughly two-point spread saves about $1,700 in interest across the life of the loan. On credit cards, where the gap is closer to three points, the difference compounds quickly if you carry a balance.
Federal law also caps what credit unions can charge in the first place. The Federal Credit Union Act sets a permanent interest rate ceiling of 15% per annum on any loan.3Office of the Law Revision Counsel. 12 USC 1757 – Powers The NCUA Board can lift that ceiling temporarily when market conditions warrant, and an 18% temporary cap is currently in place through September 2027.4National Credit Union Administration. NCUA Board Extends Loan Interest Rate Ceiling Major bank-issued credit cards routinely charge 25% or higher, with no comparable federal ceiling.
Where Credit Unions Don’t Win on Rate
The lending advantage is where the credit union model shows up most clearly, but the picture is not one-sided across every product. Share certificates, the credit union version of bank CDs, generally pay more: in the second quarter of 2025, credit unions averaged 3.05% on one-year certificates compared to 2.35% at banks, with money market accounts also favoring credit unions at 0.74% versus 0.53%.5National Credit Union Administration. Credit Union and Bank Rates 2025 Q2
Basic savings accounts are the exception. Banks paid a slightly higher average rate on plain savings during the same period, 0.32% versus 0.19%.5National Credit Union Administration. Credit Union and Bank Rates 2025 Q2 If most of your cash sits in a standard savings account, the credit union edge on deposits is thin. The real value is in what you pay to borrow.
How to Actually Get These Rates
Rate advantages are only useful if you can join. Every credit union has a defined field of membership, and federal law recognizes three types:6Office of the Law Revision Counsel. 12 USC 1759 – Membership
- Single common bond: members share an employer or professional association.
- Multiple common bond: several employer or association groups combined under one credit union.
- Community charter: anyone who lives, works, worships, or attends school in a defined geographic area.
Community charters are what make credit unions accessible to most people. If a credit union’s charter covers your county or metro area, you qualify regardless of your employer.7National Credit Union Administration. Choose a Field of Membership Many large credit unions have expanded their community charters broadly enough that geography is barely a barrier. Family also works: under the NCUA’s standard bylaw, immediate family members of an existing member can join if they live in the same household, and some credit unions have adopted broader definitions.8National Credit Union Administration. Bylaw Definition of Immediate Family Member
The application itself is quick. Expect to provide a Social Security number or ITIN, a government-issued photo ID, proof of address, and documentation of your eligibility category.9Consumer Financial Protection Bureau. Checklist for Opening a Bank or Credit Union Account You’ll fund a share account, usually with $5 to $25, and that deposit represents your ownership stake for as long as you’re a member. Most credit unions accept the whole application online.
Trade-Offs Before You Switch
Lower rates come with a few things worth weighing.
- Technology can lag. Smaller credit unions may not match the mobile app polish or instant payment features of a large national bank. Test the digital experience before moving everything over.
- Product menus are narrower. Large banks often carry more specialty accounts, investment products, and international services. A credit union is probably the wrong fit for private banking or complex treasury needs.
- Branch access looks different. The CO-OP Shared Branching network connects more than 5,000 credit union branches and over 30,000 surcharge-free ATMs nationwide, so members of participating credit unions can transact at other institutions in the network. Not every credit union participates, and not every transaction type is supported everywhere, so check before you join.
- Business lending is capped. Federal regulations limit the aggregate member business loans a credit union can hold relative to its net worth, which can matter for owners seeking large commercial financing.10eCFR. 12 CFR 723.8 – Aggregate Member Business Loan Limit
For most consumers focused on auto loans, credit cards, and personal loans, the rate savings are real and consistent. Saving $1,700 on a single car loan is generally worth the ten minutes it takes to fill out a membership application.