The Best GMC Repair in New Market, TN

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

#1

Huffman's GMC

4.5
(180 reviews)
Verified

As the official GMC dealership for the region, Huffman's is the premier destination for factory-level service. Their technicians are GM-certified and have direct access to the latest technical service bulletins, specialized tools, and genuine GM parts. They are best equipped to handle complex electronics, warranty work, and all aspects of new and late-model GMC trucks, especially Denali trims.

1820 E Morris Blvd, Morristown, TN 37813

Specialties & Features

Duramax diesel service
Allison transmission repair
Denali luxury features and electronics

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Pro-Tech Diesel & Auto Repair

4.8
(95 reviews)
Verified

A highly-rated independent shop that has built a formidable reputation specifically on diesel performance and repair. They are the go-to experts for Duramax engine diagnostics, performance tuning, and heavy-duty repairs that go beyond standard dealership service. They also have extensive experience with Allison transmissions and the suspension needs of heavy-duty trucks used for towing.

3218 W Andrew Johnson Hwy, Morristown, TN 37814

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Towing package maintenance

Business Information

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

AAMCO Transmissions & Total Car Care of Sevierville

4.4
(130 reviews)
Verified

While part of a national chain, this specific AAMCO location has excellent local reviews and is a recognized transmission specialist—a critical need for GMC owners with complex Allison or 10-speed units. Their "Total Car Care" model means they can also handle the 4WD systems, engine diagnostics (including EcoTec), and general maintenance that complements their core transmission expertise.

764 Winfield Dunn Pkwy, Sevierville, TN 37876

Specialties & Features

Allison transmission repair
10-speed transmission service
EcoTec engine diagnostics

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in New Market

** The GMC repair market serving New Market, TN, is characterized by a reliance on providers in neighboring commercial centers like Morristown and Sevierville. As a rural community with significant agricultural and personal use of trucks, there is strong demand for competent diesel and transmission service. The market is moderately competitive, with a clear tiered structure: * **Top Tier (Dealership):** Huffman's GMC holds a dominant position for factory-backed service, particularly for newer vehicles and complex electronics. Pricing is at a premium, reflecting OEM parts and manufacturer-trained technicians. * **Specialist Independents:** Shops like Pro-Tech Diesel compete by offering deep, often superior, expertise in specific complex systems (like Duramax engines) and frequently at more competitive labor rates than the dealership. * **National Service Centers:** Providers like AAMCO fill a vital role for major drivetrain repairs (transmissions) and offer a strong warranty, providing a trusted option for a very specific and expensive repair. Overall, GMC owners in the New Market area have access to high-quality, specialized repair options within a 20-minute drive, though they may not be physically located within the New Market city limits. Pricing is typical for the region, with dealerships commanding the highest rates, followed by specialists, and then general mechanics for routine maintenance.

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 New Market regulations and climate