The Best GMC Repair in Martin, GA

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

#1

Toccoa GMC & Diesel Service

4.7
(180 reviews)
Verified

A dedicated diesel and GMC specialist known for its deep expertise in Duramax engines and Allison transmissions. They are a go-to shop for complex diagnostics, major engine overhauls, and heavy-duty truck maintenance. Customers frequently praise their technical knowledge, honesty, and ability to handle jobs that dealerships turn away.

345 S Big A Rd, Toccoa, GA 30577

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Hartwell Diesel & Auto Repair

4.6
(120 reviews)
Verified

While serving all makes and models, this shop has built a strong reputation for its specialized work on diesel powertrains and transmissions. They are particularly skilled with the 10-speed Allison transmissions and towing system integrations. Their technicians are known for methodical diagnostics and clear communication.

1123 Elberton St, Hartwell, GA 30643

Specialties & Features

Allison 10-speed transmission repair
Towing package maintenance
EcoTec engine diagnostics

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Lavonia Auto & Truck Service

4.4
(90 reviews)
Verified

A well-established, full-service shop with a significant focus on domestic trucks and SUVs. They have the advanced scan tools and technical training to service the complex electronics and luxury features found in GMC Denali models, in addition to performing routine and major mechanical repairs.

6259 E Main St, Lavonia, GA 30553

Specialties & Features

Denali luxury features and electronics
4WD and towing system service
General GMC maintenance

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in the Martin, GA area is characterized by a reliance on reputable, long-standing independent shops in neighboring commercial hubs like Toccoa, Hartwell, and Lavonia. Due to Martin's size, there is no standalone GMC-exclusive specialist within the city itself. The competition is moderate but of generally high quality, with these established providers having built trust over decades. Customers are not limited to dealerships (the nearest likely being in Anderson, SC or Gainesville, GA) and have access to expert-level service often at a lower cost. Typical pricing for specialized work (e.g., Duramax injector replacement, transmission rebuild) is competitive with regional averages, but the high cost of parts for these systems means repairs are inherently significant investments. The top shops distinguish themselves through specific certifications (ASE, manufacturer-specific training), investment in proprietary diagnostic software, and a focus on complex problem-solving for modern GMC trucks and SUVs.

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 Martin regulations and climate