Auto Loan Rates in Great Falls
Compare new and used car loan rates from credit unions serving Great Falls, Montana. Today's best new car rate: 3.50% APR. No dealer markup, no paid ranking.
Great Falls credit union auto loan rates range from 3.50% to 15.25% APR for new cars, and from 4.24% APR for used cars. Based on 22 credit unions serving Montana, updated August 2026.
Source: RateAPI.dev
Best Credit Union Auto Loan Rates for Great Falls Borrowers
Ranked by lowest APR. Based on a $35,000 loan over 60 months.
| Credit Union | Rate | APR | Est. Payment | |
|---|---|---|---|---|
Montana Credit Union Term Up to 60 months (OAC) | 3.99% | 3.99% | $644/mo | Visit Site |
The Family First Credit Union New or Used - Car and Trucks | 3.99% | 3.99% | $644/mo | Visit Site |
Mountain West Credit Union New Toy Loan | 4.25% | 4.25% | $649/mo | Visit Site |
Glendive Bn Credit Union New Auto Loan | 4% | 4% | $645/mo | Visit Site |
Northwestern Energy Employees Credit Union New and Used Vehicle Loan | 4.49% | 4.49% | $652/mo | Visit Site |
New vs Used Car Loan Rates in Great Falls
How to Get the Best Auto Loan Rate in Great Falls
Credit unions serving Great Falls are member-owned non-profits, which is why they routinely undercut dealer financing. Here is how to qualify for the lowest rate:
Get Pre-Approved First
Walk into the Great Falls dealership with a credit union approval in hand. It converts the rate conversation into a number the dealer has to beat, rather than one they set.
Check Your Credit Score
Scores above 720 qualify for the lowest Montana credit union rates. Most accept 620 and up, at a higher APR.
Keep the Term Short
A 48–60 month loan carries a lower APR than 72–84 months, and far less total interest. Longer terms also risk leaving you underwater on a depreciating car.
Confirm Membership Eligibility
Many Montana credit unions accept anyone who lives or works in the Great Falls area. Joining is usually a one-time step with a small deposit.
Shop Within 14 Days
Auto loan inquiries made inside a 14-day window count as a single hard pull, so you can compare several Great Falls lenders without stacking credit damage.
Credit Unions Based in Great Falls
3 credit unions are headquartered in Great Falls. Local membership is often the easiest to qualify for — many accept anyone who lives or works in the area.
Frequently Asked Questions
Common questions about auto loan rates in Great Falls
As of August 2026, new car loan rates from credit unions serving Great Falls range from 3.50% to 15.25% APR, with a median of 5.24%. These figures cover 22 lenders across Montana, since credit unions serving Great Falls generally price statewide rather than by city.
The lowest used car loan rate available to Great Falls borrowers is 4.24% APR at Southwest Montana Community, as of August 2026. Used car rates typically run 0.5–2% above new car rates because the collateral depreciates faster.
Generally yes. Credit unions serving Great Falls typically price 1–3% below dealer financing, because dealers commonly mark up the buy rate as a commission. Getting pre-approved before you visit a Great Falls dealership gives you both a negotiating baseline and a rate to beat.
Usually. Many Montana credit unions accept anyone who lives, works, worships, or attends school in the county or region — and some are open to anyone in the state. Membership is generally a one-time step with a small deposit, and it is what unlocks the rates shown above.
For the lowest advertised rates in Great Falls, aim for a credit score of 720 or higher. Scores of 680–719 still qualify for competitive credit union rates, 620–679 will see higher APRs, and below 620 you may need a co-signer or a secured loan.
Auto Loan Rates by State
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