Auto Loans · Watertown, South Dakota

Best Credit Union Car Loan Rates in Watertown, South Dakota

2 credit unions in Watertown report car loan rates to the NCUA. Rates range from 6.96% to 7.25%.

Updated Q1 2026 · NCUA Call Report data

2

CUs Reporting Rates

6.96%

Lowest New Car Rate

7.11%

City Average Rate

New Vehicle Loan Rates — Watertown, South Dakota

2 credit unions sorted by APR

#Credit UnionNew Car APRUsed Car APR
1SIOUX VALLEY COOP

★ 5.0 · 3 reviews

6.96%8.45%
2AVANTI

★ 3.8 · 29 reviews

7.25%8.00%
Rates from NCUA Call Report (5300) filings, updated Q1 2026. Actual rate depends on credit score and loan term.

Used Vehicle Loan Rates — Watertown, South Dakota

2 credit unions sorted by APR

#Credit UnionUsed Car APRNew Car APR
1AVANTI

★ 3.8 · 29 reviews

8.00%7.25%
2SIOUX VALLEY COOP

★ 5.0 · 3 reviews

8.45%6.96%
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 Watertown 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 Watertown in the same window and take the best offer.

Browse All Credit Unions in Watertown

See member reviews, branch locations, and full rate details.