Auto Loans · Rapid City, South Dakota

Best Credit Union Car Loan Rates in Rapid City, South Dakota

7 credit unions in Rapid City report car loan rates to the NCUA. Rates range from 4.72% to 6.80%.

Updated Q1 2026 · NCUA Call Report data

7

CUs Reporting Rates

4.72%

Lowest New Car Rate

5.80%

City Average Rate

New Vehicle Loan Rates — Rapid City, South Dakota

7 credit unions sorted by APR

#Credit UnionNew Car APRUsed Car APR
1DACOTAH

★ 4.4 · 14 reviews

4.72%7.85%
2ASPEN

★ 4.1 · 42 reviews

5.25%6.00%
3DAKOTA STAR

★ 4.3 · 7 reviews

5.49%6.05%
4RUSHMORE ELECTRIC5.76%6.88%
5BLACK HILLS

★ 2.5 · 64 reviews

5.99%7.45%
6HIGHMARK

★ 3.7 · 101 reviews

6.60%7.25%
7MINUTEMAN

★ 3.5 · 17 reviews

6.80%7.98%
Rates from NCUA Call Report (5300) filings, updated Q1 2026. Actual rate depends on credit score and loan term.

Used Vehicle Loan Rates — Rapid City, South Dakota

7 credit unions sorted by APR

#Credit UnionUsed Car APRNew Car APR
1ASPEN

★ 4.1 · 42 reviews

6.00%5.25%
2DAKOTA STAR

★ 4.3 · 7 reviews

6.05%5.49%
3RUSHMORE ELECTRIC6.88%5.76%
4HIGHMARK

★ 3.7 · 101 reviews

7.25%6.60%
5BLACK HILLS

★ 2.5 · 64 reviews

7.45%5.99%
6DACOTAH

★ 4.4 · 14 reviews

7.85%4.72%
7MINUTEMAN

★ 3.5 · 17 reviews

7.98%6.80%
Rates from NCUA Call Report (5300) filings, updated Q1 2026. Actual rate depends on credit score and loan term.

Get Pre-Approved Before the Dealership

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

Rate Shopping Won't Hurt Your Credit

Multiple auto loan applications within 14–45 days count as a single hard inquiry. Apply at several credit unions in Rapid City in the same window and take the best offer.

Browse All Credit Unions in Rapid City

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