Auto Loans · South Boston, Massachusetts
3 credit unions in South Boston report car loan rates to the NCUA. Rates range from 4.37% to 5.74%.
Updated Q1 2026 · NCUA Call Report data
3
CUs Reporting Rates
4.37%
Lowest New Car Rate
4.92%
City Average Rate
3 credit unions sorted by APR
| # | Credit Union | New Car APR | Used Car APR |
|---|---|---|---|
| 1 | TAUPA LITHUANIAN ★ 5.0 · 6 reviews | 4.37% | 5.50% |
| 2 | CITY OF BOSTON ★ 4.6 · 21 reviews | 4.65% | 5.68% |
| 3 | MASS BAY ★ 2.8 · 46 reviews | 5.74% | 6.40% |
3 credit unions sorted by APR
| # | Credit Union | Used Car APR | New Car APR |
|---|---|---|---|
| 1 | TAUPA LITHUANIAN ★ 5.0 · 6 reviews | 5.50% | 4.37% |
| 2 | CITY OF BOSTON ★ 4.6 · 21 reviews | 5.68% | 4.65% |
| 3 | MASS BAY ★ 2.8 · 46 reviews | 6.40% | 5.74% |
A pre-approval from a South Boston credit union lets you negotiate on price, not payment. The dealer can try to beat the rate — but you're in control either way.
Multiple auto loan applications within 14–45 days count as a single hard inquiry. Apply at several credit unions in South Boston in the same window and take the best offer.
See member reviews, branch locations, and full rate details.