Top 3 GMC Repair Shops in Summertown

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

#1

Maury County GMC

4.5
(280 reviews)
Verified

As the official GMC dealership for the region, this is the premier destination for complex warranty work, factory-trained diagnostics, and specialized services on Denali models and newer powertrains. They have direct access to GMC technical bulletins, specialized tools, and OEM parts.

1000 Nashville Hwy, Columbia, TN 38401

Specialties & Features

Denali luxury/electronics
Allison transmission repair
EcoTec engine diagnostics

Business Information

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

Lawrenceburg Transmission & Diesel

4.7
(130 reviews)
Verified

A highly respected independent shop with a stellar reputation for its focus on heavy-duty powertrains. They are the go-to experts for Duramax diesel performance, repair, and Allison transmission rebuilding in the local area. Their technicians have deep, hands-on experience with HD truck suspensions and towing systems.

1409 N Locust Ave, Lawrenceburg, TN 38464

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Pro-Tech Automotive & Diesel

4.4
(90 reviews)
Verified

A well-regarded, full-service independent shop known for its comprehensive diagnostic capabilities and personalized service. They effectively bridge the gap between general repair and specialized diesel/transmission work, making them an excellent choice for routine GMC maintenance and complex electrical diagnostics.

1207 N Locust Ave, Lawrenceburg, TN 38464

Specialties & Features

Diesel engine service
Transmission repair
4WD and towing system service

Business Information

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

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

** The GMC repair market serving Summertown is characterized by a reliance on nearby commercial hubs, primarily Lawrenceburg (approx. 15-minute drive) and Columbia (approx. 30-minute drive). Due to Summertown's rural nature, there is no local, head-to-head competition between specialized GMC shops. The competition exists between the convenience and factory-backed expertise of the Columbia dealership and the specialized, often more personalized and cost-effective, independent shops in Lawrenceburg. **Average Quality** is high, with several shops boasting technicians certified by ASE (Automotive Service Excellence) and specific manufacturer training. **Competition Level** is moderate but specialized; customers have clear choices between dealer and independent repair philosophies. **Typical Pricing** follows a standard tier: dealership labor rates are the highest, followed by specialized independents like Lawrenceburg Transmission & Diesel, with generalists like Pro-Tech offering more competitive rates for non-specialty work. For Summertown residents, the decision often comes down to the specific repair needed, cost considerations, and the desire for a dealer stamp in the service history.

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 Summertown regulations and climate