The Best GMC Repair in Summerton, SC

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

#1

C & M Auto Repair & Transmission

4.7
(180 reviews)
Verified

A highly reputable, long-standing full-service auto and transmission shop located right in Summerton. They are known for their honest diagnostics and expertise in complex transmission work, including the robust Allison transmissions found in GMC trucks. While not a dedicated GMC dealer, their broad experience with domestic trucks makes them a top local choice for transmission and general powertrain issues.

1040 S Church St, Summerton, SC 29148

Specialties & Features

Allison transmission repair
General engine diagnostics
Suspension and brake service

Business Information

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

M & S Auto & Diesel Repair

4.5
(90 reviews)
Verified

Located in the neighboring city of Manning, M & S Auto has built a strong reputation for handling both gasoline and diesel engine repair. They are a go-to shop for local contractors and truck owners who need reliable service on their heavy-duty vehicles, making them well-suited for GMC 2500/3500 series trucks with Duramax engines.

1209 Rickenbaker Rd, Manning, SC 29102

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
General engine diagnostics

Business Information

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

Certified Auto Repair

4.8
(250 reviews)
Verified

Based in Sumter, this is a modern repair facility known for its technical expertise and high customer satisfaction. They invest in advanced diagnostic tools and technician training, allowing them to effectively handle the complex electronic systems, EcoTec engine issues, and luxury features found in GMC vehicles, including Denali trims. They are the most equipped on this list for modern, computer-based diagnostics.

2250 Broad St, Sumter, SC 29150

Specialties & Features

EcoTec engine diagnostics
Denali electronics and features
Towing package maintenance

Business Information

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

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

** The GMC repair market in Summerton itself is characterized by a small number of highly dependable, generalist auto repair shops that have earned community trust over many years. For routine maintenance and common repairs on GMC vehicles, these local providers are excellent. However, for highly specialized services like advanced Duramax diagnostics or complex Denali infotainment system repairs, residents typically look to larger, more specialized shops in nearby Manning and Sumter. The competition level is moderate; while there aren't many shops, the existing ones maintain strong reputations through quality work and personal customer service. Pricing is generally competitive and often lower than dealership rates, reflecting the rural market. For major specialist work, GMC owners in Summerton are willing to drive the short distance to neighboring cities to access a broader range of expertise and more advanced equipment. It is always recommended to call ahead to confirm a shop's specific experience with your GMC's particular issue.

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 Summerton regulations and climate