Auto Loans ยท South Dakota

Best Credit Union Car Loan Rates in South Dakota

33 credit unions in South Dakota report car loan rates to the NCUA. Rates range from 3.74% to 11.95%.

Updated Q1 2026 ยท NCUA Call Report data

33

CUs Reporting Rates

3.74%

Lowest New Car Rate

5.95%

State Average Rate

22

Cities Covered

New Vehicle Loan Rates โ€” South Dakota

33 credit unions with reported rates, sorted by APR

#Credit UnionNew Car APRUsed Car APR
1SERVICE FIRST

Sioux Falls

3.74%5.75%
2CONSUMER'S

Gregory

4.49%6.25%
3NORSTAR

Britton

4.50%4.50%
4DACOTAH

Rapid City

4.72%7.85%
5HURON AREA EDUCATION

HURON

4.99%5.25%
6OAHE

Pierre

5.10%5.45%
7EXPLORERS

YANKTON

5.11%6.46%
8EAST RIVER

Madison

5.14%5.82%
9LEVO

Sioux Falls

5.24%5.74%
10HEALTHCARE PLUS

Aberdeen

5.24%5.24%
11ASPEN

Rapid City

5.25%6.00%
12DAKOTA PLAINS

Lemmon

5.45%5.20%
13DAKOTA STAR

RAPID CITY

5.49%6.05%
14SENTINEL

BOX ELDER

5.49%7.16%
15BLUESTONE

Sioux Falls

5.50%6.13%
16NORTHERN HILLS

STURGIS

5.55%6.50%
17VOYAGE

Sioux Falls

5.59%7.09%
18DAKOTALAND

Huron

5.63%6.39%
19HB TELCO

Huron

5.75%5.75%
20RUSHMORE ELECTRIC

Rapid City

5.76%6.88%
21AREA

ABERDEEN

5.85%5.85%
22BLACK HILLS

Rapid City

5.99%7.45%
23M O

Huron

6.04%7.35%
24PALACE CITY

Mitchell

6.31%7.57%
25FT RANDALL

WAGNER

6.34%9.28%
26HIGHMARK

RAPID CITY

6.60%7.25%
27COTEAU VALLEY

SISSETON

6.60%13.25%
28MINUTEMAN

RAPID CITY

6.80%7.98%
29SIOUX VALLEY COOP

Watertown

6.96%8.45%
30DAKOTA RAIL LINE

HURON

7.06%7.86%
31AVANTI

WATERTOWN

7.25%8.00%
32LAKOTA

Kyle

8.82%10.70%
33SISSETON-WAHPETON

Agency Village

11.95%13.58%
Rates from NCUA Call Report (5300) filings, updated Q1 2026. Actual rate depends on credit score and loan term.

Used Vehicle Loan Rates โ€” South Dakota

33 credit unions with reported rates, sorted by APR

#Credit UnionUsed Car APRNew Car APR
1NORSTAR

Britton

4.50%4.50%
2DAKOTA PLAINS

Lemmon

5.20%5.45%
3HEALTHCARE PLUS

Aberdeen

5.24%5.24%
4HURON AREA EDUCATION

HURON

5.25%4.99%
5OAHE

Pierre

5.45%5.10%
6LEVO

Sioux Falls

5.74%5.24%
7SERVICE FIRST

Sioux Falls

5.75%3.74%
8HB TELCO

Huron

5.75%5.75%
9EAST RIVER

Madison

5.82%5.14%
10AREA

ABERDEEN

5.85%5.85%
11ASPEN

Rapid City

6.00%5.25%
12DAKOTA STAR

RAPID CITY

6.05%5.49%
13BLUESTONE

Sioux Falls

6.13%5.50%
14CONSUMER'S

Gregory

6.25%4.49%
15DAKOTALAND

Huron

6.39%5.63%
16EXPLORERS

YANKTON

6.46%5.11%
17NORTHERN HILLS

STURGIS

6.50%5.55%
18RUSHMORE ELECTRIC

Rapid City

6.88%5.76%
19VOYAGE

Sioux Falls

7.09%5.59%
20SENTINEL

BOX ELDER

7.16%5.49%
21HIGHMARK

RAPID CITY

7.25%6.60%
22M O

Huron

7.35%6.04%
23BLACK HILLS

Rapid City

7.45%5.99%
24PALACE CITY

Mitchell

7.57%6.31%
25DACOTAH

Rapid City

7.85%4.72%
26DAKOTA RAIL LINE

HURON

7.86%7.06%
27MINUTEMAN

RAPID CITY

7.98%6.80%
28AVANTI

WATERTOWN

8.00%7.25%
29SIOUX VALLEY COOP

Watertown

8.45%6.96%
30FT RANDALL

WAGNER

9.28%6.34%
31LAKOTA

Kyle

10.70%8.82%
32COTEAU VALLEY

SISSETON

13.25%6.60%
33SISSETON-WAHPETON

Agency Village

13.58%11.95%
Rates from NCUA Call Report (5300) filings, updated Q1 2026. Actual rate depends on credit score and loan term.

Frequently Asked Questions

Can anyone join a credit union in South Dakota?

Most community credit unions in South Dakota accept anyone who lives, works, or worships in their service area. Some are employer-based with open membership through small donations to an affiliated organization. Check each credit union's profile for eligibility details.

How do credit union car loan rates compare to banks?

Credit unions are nonprofits, so they return earnings to members in the form of lower loan rates and higher savings rates. On a $25,000 car loan over 60 months, even a 1% rate difference saves over $600 in interest.

Are these rates accurate?

These rates come directly from NCUA Call Report (5300) filings โ€” the same quarterly financial data credit unions are required to submit to their federal regulator. They reflect each CU's reported weighted-average rate, not a promotional floor. Your actual rate will depend on credit score, term length, and vehicle age.

Get Pre-Approved Before the Dealership

A pre-approval from a credit union lets you negotiate on price, not payment. The dealer can try to beat the rate โ€” but you're in control either way.

Rate Shopping Won't Hurt Your Credit

Multiple auto loan applications within 14โ€“45 days count as a single hard inquiry. Apply at several credit unions in the same two-week window and take the best offer.

Browse Credit Unions in South Dakota

See all credit unions by city, filter by rates, and check Google ratings.