Top 3 GMC Repair Shops in Harrisburg

Compare the highest-rated gmc repair mechanics in Harrisburg, South Dakota. All shops are licensed, insured, and verified through our rigorous screening process.

#1

C & C Auto & Truck Repair

4.8
(280 reviews)
Verified

A family-owned and operated business with a stellar reputation for specializing in GM and GMC vehicles. They are particularly known for their expertise in diesel engine performance and complex transmission work. Their technicians have deep, manufacturer-level knowledge, making them a top choice for everything from routine EcoTec service to major Duramax and Allison overhauls.

2401 S Shirley Ave, Sioux Falls, SD 57106 (Approx. 5 miles from central Harrisburg)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Superior Auto & Diesel

4.7
(190 reviews)
Verified

Superior Auto has built a strong local presence by focusing on both domestic and diesel vehicles, with a significant portion of their work on GMC Sierras, Yukons, and Denalis. They are well-regarded for their diagnostic capabilities, especially for modern electronic and emissions systems. They also offer comprehensive 4WD and towing system services.

421 N Kiwanis Ave, Sioux Falls, SD 57104 (Approx. 7 miles from central Harrisburg)

Specialties & Features

EcoTec engine diagnostics
4WD and towing system service
Denali electronics

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Lloyd's Automotive Inc.

4.6
(160 reviews)
Verified

Lloyd's is a trusted name in the Sioux Falls area known for honest, high-quality work. While they service all makes, they have specific, certified expertise in GM powertrains and are a go-to shop for transmission service, including the newer 10-speed models. They provide excellent service for both light-duty and heavy-duty GMC trucks.

101 N Sycamore Ave, Sioux Falls, SD 57110 (Approx. 8 miles from central Harrisburg)

Specialties & Features

Transmission repair (Allison
10-speed)
Towing package maintenance
General GMC service
diagnostics

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top GMC Repair Auto Repair Shops in Harrisburg

** The GMC repair market serving Harrisburg, SD is robust and highly competitive, largely due to its proximity to the larger Sioux Falls metro area. The average quality of service is high, with several independent shops competing directly with dealership service centers by offering specialized expertise, more personalized service, and often more competitive labor rates. * **Average Quality:** High. Customers have multiple excellent options, forcing shops to maintain high standards of technical knowledge and customer service to remain competitive. * **Competition Level:** High. The market features a mix of dedicated GM specialists, general repair shops with GM-certified technicians, and the established GMC dealership. This benefits the consumer through competitive pricing and a drive for quality. * **Typical Pricing:** Labor rates are competitive with the regional average. For specialized services like Duramax injector replacement or Allison transmission rebuilds, expect pricing to be significant due to parts costs and required expertise, but independent specialists typically offer a 15-25% savings compared to dealership labor rates. Most reputable shops provide free, detailed estimates before beginning work. For residents of Harrisburg, the top-tier GMC service providers are located a short drive away in Sioux Falls, offering a level of specialized care that meets or exceeds what is typically available in smaller towns.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All shops are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Harrisburg regulations and climate