Auto Loan Rates in Chesterfield

Compare new and used car loan rates from credit unions serving Chesterfield, Missouri. Today's best new car rate: 3.00% APR. No dealer markup, no paid ranking.

Updated August 2026Missouri Credit Unions
Key takeaways: New car loan rates for Chesterfield borrowers range from 3.00% to 20.00% APR (median 5.45%) across 53 Missouri credit unions, as of August 2026. Used car rates start at 4.09% APR. Rates come from published credit union rate sheets and are ranked by true cost. See our methodology for how these figures are collected.
3.00%
Lowest New Car APR
De Soto Mo Pac
4.09%
Lowest Used Car APR
Riverways
5.45%
Median New Car APR
53
Missouri Lenders

Chesterfield credit union auto loan rates range from 3.00% to 20.00% APR for new cars, and from 4.09% APR for used cars. Based on 53 credit unions serving Missouri, updated August 2026.

Source: RateAPI.dev

Best Credit Union Auto Loan Rates for Chesterfield Borrowers

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

Credit UnionRateAPREst. Payment
St. Louis Policemen`s Credit Union
New & Used Vehicle Loan
3.5%3.5%$637/moVisit Site
St. Louis Policemen`s Credit Union
Refinanced Vehicle
3.75%3.75%$641/moVisit Site
Multipli Credit Union
Auto Loan
3.99%3.99%$644/moVisit Site
R G Credit Union
New Auto Loan
3.99%3.99%$644/moVisit Site
St. Louis Policemen`s Credit Union
New Boat Recreational Vehicle
3.99%3.99%$644/moVisit Site

New vs Used Car Loan Rates in Chesterfield

New Car — Lowest APR
3.00%
Used Car — Lowest APR
4.09%
Used Car — Median APR
6.04%
Lenders Quoting Used
27

How to Get the Best Auto Loan Rate in Chesterfield

Credit unions serving Chesterfield 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 Chesterfield 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 Missouri 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 Missouri credit unions accept anyone who lives or works in the Chesterfield 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 Chesterfield lenders without stacking credit damage.

Credit Unions Based in Chesterfield

2 credit unions are headquartered in Chesterfield. 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 Chesterfield

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