The Best GMC Repair in Duncan, MS

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

#1

C & W Auto Service & Diesel Repair

4.8
(180 reviews)
Verified

A highly regarded, family-owned shop known for its technical expertise and honest service. They have built a strong reputation for handling complex diagnostics and repairs on both gas and diesel engines, making them a top choice for GMC Sierra and Denali owners. Their technicians are experienced with the latest computer systems and heavy-duty components.

2015 Old Highway 11, Hattiesburg, MS 39402

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

C & J Auto & Truck Repair

4.6
(120 reviews)
Verified

Known for their comprehensive service on domestic trucks and SUVs. They receive consistent praise for their work on transmissions and 4WD systems, which are critical for GMC trucks used for towing and off-road. They are a well-established local business with a focus on customer satisfaction and durable repairs.

1106 Broadway Drive, Hattiesburg, MS 39401

Specialties & Features

Transmission repair (Allison
10-speed)
4WD and towing system service
EcoTec engine diagnostics

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Crain's Auto Service

4.7
(90 reviews)
Verified

A trusted, smaller shop with a reputation for meticulous work and personalized service. While they handle a wide range of repairs, they have specific expertise in GM vehicles and are known for their effective diagnostics, particularly for engine and electronic issues common in Denali models. They are a go-to for routine maintenance and complex electrical troubleshooting.

1117 S 28th Ave, Hattiesburg, MS 39402

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
Towing package maintenance

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market serving Duncan, MS, is characterized by a reliance on the robust automotive service industry in neighboring Hattiesburg. As a small community, Duncan itself does not host specialized GMC or diesel repair centers. The competition in the Hattiesburg area is strong, with several highly-rated independent shops competing directly with dealership service departments. These independents often have the edge in personalized service, pricing, and specific diesel/transmission expertise. The average quality of service is high, as these businesses have built their reputations on serving a region with a significant population of truck owners. Typical pricing for specialized services like Duramax injector replacement or Allison transmission overhaul is competitive but aligns with national averages for such complex work, often ranging from $120-$150 per hour for labor. Customers in this market value long-term relationships and proven expertise, which has allowed the top shops to thrive for many years.

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 Duncan regulations and climate