Auto Loan Rates in Charleston

Compare new and used car loan rates from credit unions serving Charleston, South Carolina. Today's best new car rate: 2.99% APR. No dealer markup, no paid ranking.

Updated August 2026South Carolina Credit Unions
Key takeaways: New car loan rates for Charleston borrowers range from 2.99% to 15.49% APR (median 4.84%) across 30 South Carolina credit unions, as of August 2026. Used car rates start at 2.99% APR. Rates come from published credit union rate sheets and are ranked by true cost. See our methodology for how these figures are collected.
2.99%
Lowest New Car APR
Columbia Post Office
2.99%
Lowest Used Car APR
Trinity Baptist Church
4.84%
Median New Car APR
30
South Carolina Lenders

Charleston credit union auto loan rates range from 2.99% to 15.49% APR for new cars, and from 2.99% APR for used cars. Based on 30 credit unions serving South Carolina, updated August 2026.

Source: RateAPI.dev

Best Credit Union Auto Loan Rates for Charleston Borrowers

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

Credit UnionRateAPREst. Payment
Trinity Baptist Church Credit Union
Used Auto Loan
2.99%2.99%$629/moVisit Site
Berkeley Community Credit Union
Automobiles(Cars,Trucks, SUVs)
3.75%3.75%$641/moVisit Site
Greenville Credit Union
Auto Loan
3.74%3.74%$640/moVisit Site
Berkeley Community Credit Union
New Auto - Automobiles (Cars, Trucks, SUVs)
3.75%3.75%$641/moVisit Site
Spc Credit Union
New Auto Loan
3.9%3.9%$643/moVisit Site

New vs Used Car Loan Rates in Charleston

New Car — Lowest APR
2.99%
Used Car — Lowest APR
2.99%
Used Car — Median APR
6.12%
Lenders Quoting Used
20

How to Get the Best Auto Loan Rate in Charleston

Credit unions serving Charleston 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 Charleston 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 South Carolina 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 South Carolina credit unions accept anyone who lives or works in the Charleston 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 Charleston lenders without stacking credit damage.

Credit Unions Based in Charleston

2 credit unions are headquartered in Charleston. 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 Charleston

Auto Loan Rates in Other South Carolina Cities

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