If you’re weighing a credit union vs. a bank, the short answer is that credit unions usually offer lower loan rates and lower fees, while banks tend to lead on technology, product range, and easy access. In mid-2025, the national average rate on a 48-month new car loan was 5.63% at credit unions and 7.40% at banks, a gap wide enough to save well over $1,000 on a typical vehicle loan.1National Credit Union Administration. Credit Union and Bank Rates 2025 Q2 Whether that trade is worth it depends on what you actually use a financial institution for.
Why Credit Unions Can Price Lower
Two structural differences drive the pricing gap. First, ownership: when you open a credit union account, your deposit buys a share in a cooperative, and the institution answers to depositors rather than outside stockholders. A bank’s board owes its fiduciary duty to shareholders who may never use the bank, and keeping your loan rate low is not on that list of priorities.
Second, taxes. Federal credit unions are exempt from federal, state, and local income taxes under 12 U.S.C. ยง 1768.2Office of the Law Revision Counsel. 12 USC 1768 – Taxation State-chartered credit unions organized without capital stock qualify for a separate exemption under Internal Revenue Code Section 501(c)(14)(A).3Office of the Law Revision Counsel. 26 USC 501 – Exemption From Tax on Corporations, Certain Trusts, Etc. Banks pay corporate income tax on earnings. Combine that with the absence of shareholders demanding dividends, and surplus revenue at a credit union has only two places to go: back into services, or back to members as better rates and lower fees.
Loan Rates: The Clearest Advantage
The lending side is where the difference shows up most reliably. NCUA data from mid-2025 puts the numbers side by side:
- New car loan, 48 months: 5.63% at credit unions vs. 7.40% at banks
- Used car loan, 48 months: 5.82% vs. 7.79%
- Unsecured personal loan, 36 months: 10.74% vs. 12.02%
- Home equity loan, 5-year at 80% LTV: 6.78% vs. 7.39%
Auto loans show the widest spread at roughly 1.5 to 2 percentage points. Personal loans and home equity products show smaller but still meaningful gaps.1National Credit Union Administration. Credit Union and Bank Rates 2025 Q2
Federal credit unions also operate under a statutory interest rate cap that banks do not face. The Federal Credit Union Act sets a baseline of 15%, and the NCUA Board has extended a temporary ceiling of 18% through September 10, 2027.4National Credit Union Administration. NCUA Board Extends Loan Interest Rate Ceiling Payday alternative loans are the only exception, capped at 28%. That’s the structural reason you won’t find a federal credit union credit card charging 25%+ APR, even though bank-issued cards routinely do.
Savings Rates: Not Automatically Better
The common assumption that credit unions always pay higher on deposits doesn’t hold up. NCUA’s Q4 2025 data shows the national average on a regular savings account was 0.19% at credit unions and 0.32% at banks.5National Credit Union Administration. Credit Union and Bank Rates 2025 Q4 Individual credit unions, especially online-focused ones, often post strong certificate and money market rates. But you can’t assume the advantage exists. Compare the specific product at the specific institution.
Fees
Fees are where the cooperative model tends to deliver most consistently. Many credit unions waive monthly maintenance fees or require only a small minimum balance or direct deposit. Overdraft charges at credit unions have generally been lower than the $35-plus common at large banks, and some credit unions have eliminated overdraft fees entirely. Banks have been reducing their overdraft charges too under regulatory pressure, so the gap here has narrowed, but credit unions were ahead of the curve and often remain cheaper.
Deposit Insurance and One Thing to Check
Your money at a federally insured credit union carries the same government backing as money in a bank. The National Credit Union Share Insurance Fund covers deposits up to $250,000 per member, per institution. Joint accounts are separately insured up to $250,000 per co-owner, and IRA and Keogh retirement accounts get their own $250,000 layer of coverage.6National Credit Union Administration. Share Insurance Coverage Like FDIC coverage, NCUA insurance is backed by the full faith and credit of the United States.
One boundary matters here: a small number of state-chartered credit unions carry private insurance rather than federal coverage, and private insurance is not backed by the U.S. government.6National Credit Union Administration. Share Insurance Coverage Before opening an account, confirm the credit union displays the NCUA logo or check the NCUA’s lookup tool.
Access: The Old Objection Mostly Went Away
The traditional knock on credit unions was convenience. That has largely been solved by shared networks. The CO-OP Shared Branching network connects over 5,600 participating credit union locations nationwide, letting you walk into any of them and transact as if you were at your home branch, a branch count that actually exceeds Chase’s roughly 5,500 locations. ATM access is broader still, with nearly 30,000 surcharge-free machines, a larger network than any single bank operates.7NACUSO. CO-OP Shared Branch Network Surpasses Chase – Takes Number 2 Spot Among Consumer Financial Institutions For everyday deposits, withdrawals, and payments, the practical access gap has effectively closed.
How to Actually Join
You can’t just walk into any credit union. Federal law requires membership through a “field of membership” based on one of three common bonds:8Office of the Law Revision Counsel. 12 USC 1759 – Membership
- Occupational or associational: a shared employer, industry, or organization
- Multiple common bonds: several distinct groups, each with its own tie
- Community: you live, work, worship, or attend school in a defined geographic area
In practice, eligibility is far wider than most people expect. Community-chartered credit unions cover entire counties or metros, and many credit unions let family members of existing members join. The initial share deposit is often $1 to $25, and membership generally lasts for life even if you move or change jobs.
Where Credit Unions Fall Short
The trade-offs are real, and it’s worth knowing them before you switch.
Technology. Large banks spend heavily on mobile apps and digital tools. Many credit unions rely on third-party platforms that update slowly. If you want the most polished mobile experience or embedded features like real-time spending insights, some credit unions will feel a step behind. The gap is closing but not closed.
Product breadth. Major banks offer wealth management, international wire transfers, foreign currency accounts, and complex business credit. Credit unions concentrate on core consumer products, so specialized needs may push you toward keeping a bank relationship as well.
Business lending. Federal credit unions face a cap on total business loans equal to 1.75 times the institution’s net worth.9eCFR. 12 CFR 723.8 – Aggregate Member Business Loan Limit Small business owners with straightforward needs often do fine, but growing companies with larger credit needs may outgrow what a credit union can offer.
Eligibility. Any bank will open you an account. A credit union requires you to qualify, and the one you qualify for may not be the one with the best rates or the best app.
None of these are dealbreakers for most people, which is why roughly a third of credit union members also keep a bank account. The two are not mutually exclusive. For a lot of households, the right answer is to borrow and save at a credit union while keeping a bank account for whatever the credit union can’t do.