Auto Loan Rates in Butte

Compare new and used car loan rates from credit unions serving Butte, Montana. Today's best new car rate: 3.50% APR. No dealer markup, no paid ranking.

Updated August 2026Montana Credit Unions
Key takeaways: New car loan rates for Butte borrowers range from 3.50% to 15.25% APR (median 5.24%) across 22 Montana credit unions, as of August 2026. Used car rates start at 4.24% APR. Rates come from published credit union rate sheets and are ranked by true cost. See our methodology for how these figures are collected.
3.50%
Lowest New Car APR
Mountain West
4.24%
Lowest Used Car APR
Southwest Montana Community
5.24%
Median New Car APR
22
Montana Lenders

Butte 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 Butte Borrowers

Ranked by lowest APR. Based on a $35,000 loan over 60 months.

Credit UnionRateAPREst. Payment
Montana Credit Union
Term Up to 60 months (OAC)
3.99%3.99%$644/moVisit Site
The Family First Credit Union
New or Used - Car and Trucks
3.99%3.99%$644/moVisit Site
Mountain West Credit Union
New Toy Loan
4.25%4.25%$649/moVisit Site
Glendive Bn Credit Union
New Auto Loan
4%4%$645/moVisit Site
Northwestern Energy Employees Credit Union
New and Used Vehicle Loan
4.49%4.49%$652/moVisit Site

New vs Used Car Loan Rates in Butte

New Car — Lowest APR
3.50%
Used Car — Lowest APR
4.24%
Used Car — Median APR
6.00%
Lenders Quoting Used
12

How to Get the Best Auto Loan Rate in Butte

Credit unions serving Butte are member-owned non-profits, which is why they routinely undercut dealer financing. Here is how to qualify for the lowest rate:

1

Get Pre-Approved First

Walk into the Butte 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.

2

Check Your Credit Score

Scores above 720 qualify for the lowest Montana credit union rates. Most accept 620 and up, at a higher APR.

3

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.

4

Confirm Membership Eligibility

Many Montana credit unions accept anyone who lives or works in the Butte area. Joining is usually a one-time step with a small deposit.

5

Shop Within 14 Days

Auto loan inquiries made inside a 14-day window count as a single hard pull, so you can compare several Butte lenders without stacking credit damage.

Credit Unions Based in Butte

4 credit unions are headquartered in Butte. 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 Butte

Auto Loan Rates in Other Montana Cities

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