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Auto Loan Rates in Sioux Falls, South Dakota (SD) for April 2026

Content reviewed by
Brian McKay Brian McKay
Brian McKay

Brian McKay

Founder & Data Architect
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Brian is the Founder of MonitorBankRates.com. For over 18 years, he has utilized his background in enterprise infrastructure to engineer proprietary systems that track rates from over 8,000 financial institutions.
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| i Editorial Disclosure
Editorial Disclosure The rates displayed are actual, verified rates sourced directly from the official websites of local and national lenders actively lending to borrowers in Sioux Falls, South Dakota. Your final approved rate will depend on your credit profile, loan term, and vehicle age.
| ✓Fact Checked | Auto Loan Rates — Last Updated and Verified: April 18, 2026

Current auto loan rates in Sioux Falls, South Dakota include Service First Federal Credit UnionService First Federal Credit Union3901 E 10th St, Sioux Falls, SD, 57103 2133A+5.0 ★Texas Ratio: 0.00% offering New Vehicles (2023 & Newer) 6-48 months at 4.70%, Interfaith Federal Credit UnionInterfaith Federal Credit UnionA+5.0 ★Texas Ratio: 1.60% offering New Autos, SUVs, Trucks, Vans at 5.49%. Auto loan rates as of April 18, 2026 according to verified data from MonitorBankRates.

Sioux Falls has 1 local institution in our database, with auto loan rates as low as 4.70% APR from Service First Federal Credit Union at 3901 E 10th St, Sioux Falls, SD, 57103 2133. Use the tabs below to compare new and used auto loan rates. Rates are continually updated — we recommend checking back frequently.

Auto loan rates reflect recent market quotes and representative offers available to borrowers in Sioux Falls, South Dakota. Auto Loan Rates Last Updated and Verified: April 18, 2026

Compare Auto Loan Rates Today in Sioux Falls, South Dakota & Surrounding Area

Source: Verified Auto Loan Rate Data provided by MonitorBankRates
Lender
Product
APR
Term
Profile
Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 6-48 months
4.70%
48 Months
View
▼
APR4.70%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 60 months
4.79%
60 Months
View
▼
APR4.79%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 6-48 months
4.92%
48 Months
View
▼
APR4.92%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 72 months
5.10%
72 Months
View
▼
APR5.10%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 60 months
5.16%
60 Months
View
▼
APR5.16%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 84 months (2025 & Newer)
5.30%
84 Months
View
▼
APR5.30%
Term84 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 72 months
5.60%
72 Months
View
▼
APR5.60%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 84 months (2025 & Newer)
5.80%
84 Months
View
▼
APR5.80%
Term84 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 6-48 months
6.10%
48 Months
View
▼
APR6.10%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 60 months
6.19%
60 Months
View
▼
APR6.19%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 6-48 months
6.24%
48 Months
View
▼
APR6.24%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 6-48 months
6.32%
48 Months
View
▼
APR6.32%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 60 months
6.44%
60 Months
View
▼
APR6.44%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 72 months (2021-2022 only)
6.50%
72 Months
View
▼
APR6.50%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 60 months
6.56%
60 Months
View
▼
APR6.56%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 72 months
6.80%
72 Months
View
▼
APR6.80%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 84 months (2025 & Newer)
7.00%
84 Months
View
▼
APR7.00%
Term84 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 72 months (2021-2022 only)
7.00%
72 Months
View
▼
APR7.00%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 6-48 months
7.64%
48 Months
View
▼
APR7.64%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 60 months
7.84%
60 Months
View
▼
APR7.84%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 72 months (2021-2022 only)
8.20%
72 Months
View
▼
APR8.20%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 6-48 months
9.65%
48 Months
View
▼
APR9.65%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 60 months
10.40%
60 Months
View
▼
APR10.40%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 72 months
10.80%
72 Months
View
▼
APR10.80%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 6-48 months
11.05%
48 Months
View
▼
APR11.05%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 84 months (2025 & Newer)
11.15%
84 Months
View
▼
APR11.15%
Term84 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 60 months
11.80%
60 Months
View
▼
APR11.80%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 72 months (2021-2022 only)
12.20%
72 Months
View
▼
APR12.20%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 6-48 months
13.15%
48 Months
View
▼
APR13.15%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 60 months
14.40%
60 Months
View
▼
APR14.40%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 6-48 months
14.55%
48 Months
View
▼
APR14.55%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 72 months
14.90%
72 Months
View
▼
APR14.90%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 84 months (2025 & Newer)
15.40%
84 Months
View
▼
APR15.40%
Term84 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 60 months
15.80%
60 Months
View
▼
APR15.80%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 72 months (2021-2022 only)
16.30%
72 Months
View
▼
APR16.30%
Term72 Months
Last UpdatedApr 17, 2026
Details

Interfaith Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.60%
New Autos, SUVs, Trucks, Vans
5.49%
3-7 year term
View
▼
APR5.49%
Term3-7 year term
Last UpdatedApr 18, 2026
Details

As Low As

Interfaith Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.60%
Used Autos, SUVs, Trucks, Vans
6.99%
3-7 year term
View
▼
APR6.99%
Term3-7 year term
Last UpdatedApr 18, 2026
Details

As Low As

Source: Verified Auto Loan Rate Data provided by MonitorBankRates
Lender
Product
APR
Term
Profile
Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 6-48 months
4.70%
48 Months
View
▼
APR4.70%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 60 months
4.79%
60 Months
View
▼
APR4.79%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 6-48 months
4.92%
48 Months
View
▼
APR4.92%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 72 months
5.10%
72 Months
View
▼
APR5.10%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 60 months
5.16%
60 Months
View
▼
APR5.16%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 84 months (2025 & Newer)
5.30%
84 Months
View
▼
APR5.30%
Term84 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 72 months
5.60%
72 Months
View
▼
APR5.60%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 84 months (2025 & Newer)
5.80%
84 Months
View
▼
APR5.80%
Term84 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 6-48 months
6.24%
48 Months
View
▼
APR6.24%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 60 months
6.44%
60 Months
View
▼
APR6.44%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 72 months
6.80%
72 Months
View
▼
APR6.80%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 84 months (2025 & Newer)
7.00%
84 Months
View
▼
APR7.00%
Term84 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 6-48 months
9.65%
48 Months
View
▼
APR9.65%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 60 months
10.40%
60 Months
View
▼
APR10.40%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 72 months
10.80%
72 Months
View
▼
APR10.80%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 84 months (2025 & Newer)
11.15%
84 Months
View
▼
APR11.15%
Term84 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 6-48 months
13.15%
48 Months
View
▼
APR13.15%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 60 months
14.40%
60 Months
View
▼
APR14.40%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 72 months
14.90%
72 Months
View
▼
APR14.90%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
New Vehicles (2023 & Newer) 84 months (2025 & Newer)
15.40%
84 Months
View
▼
APR15.40%
Term84 Months
Last UpdatedApr 17, 2026
Details

Interfaith Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.60%
New Autos, SUVs, Trucks, Vans
5.49%
3-7 year term
View
▼
APR5.49%
Term3-7 year term
Last UpdatedApr 18, 2026
Details

As Low As

Source: Verified Auto Loan Rate Data provided by MonitorBankRates
Lender
Product
APR
Term
Profile
Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 6-48 months
6.10%
48 Months
View
▼
APR6.10%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 60 months
6.19%
60 Months
View
▼
APR6.19%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 6-48 months
6.32%
48 Months
View
▼
APR6.32%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 72 months (2021-2022 only)
6.50%
72 Months
View
▼
APR6.50%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 60 months
6.56%
60 Months
View
▼
APR6.56%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 72 months (2021-2022 only)
7.00%
72 Months
View
▼
APR7.00%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 6-48 months
7.64%
48 Months
View
▼
APR7.64%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 60 months
7.84%
60 Months
View
▼
APR7.84%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 72 months (2021-2022 only)
8.20%
72 Months
View
▼
APR8.20%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 6-48 months
11.05%
48 Months
View
▼
APR11.05%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 60 months
11.80%
60 Months
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▼
APR11.80%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 72 months (2021-2022 only)
12.20%
72 Months
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▼
APR12.20%
Term72 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 6-48 months
14.55%
48 Months
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▼
APR14.55%
Term48 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 60 months
15.80%
60 Months
View
▼
APR15.80%
Term60 Months
Last UpdatedApr 17, 2026
Details

Service First Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.00%
3901 E 10th St, Sioux Falls, SD, 57103 2133
Used Vehicles (2022 & Older) 72 months (2021-2022 only)
16.30%
72 Months
View
▼
APR16.30%
Term72 Months
Last UpdatedApr 17, 2026
Details

Interfaith Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.60%
Used Autos, SUVs, Trucks, Vans
6.99%
3-7 year term
View
▼
APR6.99%
Term3-7 year term
Last UpdatedApr 18, 2026
Details

As Low As

Sioux Falls, SD Auto Loan Rate Trends

Compare local Sioux Falls, SD auto loan rates against the statewide average

Daily auto loan rate averages tracked across our database of 8,500+ banks and credit unions — updated every evening.

View Full South Dakota Auto Trends →
New Auto Loan — SD Avg
7.787%
▲ 0.934 vs 7 days ago

South Dakota new auto rates rose 0.934 points over the past 7 days to 7.787% APR.

Used Auto Loan — SD Avg
8.983%
▲ 1.190 vs 7 days ago

South Dakota used auto rates rose 1.190 points over the past 7 days to 8.983% APR.

As of Apr 23, 2026 • Rate data sourced from 8,500+ monitored institutions Powered by MonitorBankRates

Frequently Asked Questions about Auto Loans in Sioux Falls, South Dakota

How does my credit score affect my car loan rate in South Dakota?

Your credit score is the biggest factor determining your auto loan APR. Borrowers in Sioux Falls, South Dakota with excellent credit (750+) qualify for the lowest rates, while those with lower scores will see significantly higher interest costs.

Is it better to finance through a dealership or a bank?

It is highly recommended to get pre-approved through a local bank or credit union in South Dakota *before* visiting a dealership. Dealerships often mark up interest rates to make a profit.

What is the difference between New and Used Auto Loan rates?

Lenders in Sioux Falls, South Dakota typically offer lower interest rates for new cars because they are easier to value and represent less risk. Used car loans generally carry slightly higher APRs.

How long should my auto loan term be?

While 72-month and 84-month loans lower your monthly payment, they cost you far more in total interest. The ideal auto loan term is 60 months or less.

What are the best Auto Loan rates in Sioux Falls, South Dakota?

Based on our current data, some of the lowest auto loan rates available in Sioux Falls, South Dakota include:
  • Service First Federal Credit Union: 4.70% (New Vehicles (2023 & Newer) 6-48 months)
  • Interfaith Federal Credit Union: 5.49% (New Autos, SUVs, Trucks, Vans)
Auto Loan Rates reflect actual verified offers from banks and credit unions actively lending in Sioux Falls, South Dakota. Your final approved rate will depend on your credit profile and loan term. Last Updated and Verified: April 18, 2026

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