The Best GMC Repair in Newcomb, TN

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

#1

Campbell County Auto & Diesel Repair

4.7
(180 reviews)
Verified

A highly-rated, locally-owned shop known for its expertise in both gasoline and diesel engines. They have a strong reputation for tackling complex diagnostics on modern GMC trucks, including Duramax and EcoTec engines, and are a go-to for transmission and driveline work. Their technicians are experienced with the electronic and towing systems found in higher-trim models.

2002 Jacksboro Rd, LaFollette, TN 37766

Specialties & Features

Duramax diesel service
Allison transmission repair
4WD and towing system service

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

LaFollette Auto & Truck Repair

4.5
(120 reviews)
Verified

This established shop has a long history of serving the Campbell County area. They offer comprehensive services for domestic trucks and SUVs, with specific capabilities in suspension work, brake service, and engine repair. Customer reviews frequently highlight their trustworthy service and ability to handle jobs on heavy-duty 2500/3500 series trucks.

1101 E Central Ave, LaFollette, TN 37766

Specialties & Features

Heavy-duty truck suspension
EcoTec engine diagnostics
general GMC service
maintenance

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Norris Lake Automotive

4.8
(90 reviews)
Verified

While a short drive from Newcomb, this shop is critically important to the local market due to its specialization. They cater extensively to the boating and towing community around Norris Lake, making them exceptionally proficient with vehicle towing systems, trailer brake controllers, and the powertrain stresses associated with hauling. They are an excellent choice for diagnosing and repairing issues specific to a GMC's towing package and related electronics.

113 Stoney Hollow Rd, New Tazewell, TN 37825

Specialties & Features

Towing package maintenance
transmission service
diesel performance diagnostics

Business Information

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

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

** The GMC repair market in the Newcomb, Tennessee, area is characterized by a reliance on a small number of established, locally-owned independent shops rather than a high volume of specialized franchises. The proximity to Norris Lake creates a significant demand for expertise in diesel powertrains, heavy-duty suspensions, and towing systems. The average quality of service is high, as these shops build their reputation on word-of-mouth and long-term customer relationships in a tight-knit community. Competition is moderate but specialized; while there are several general mechanics, only a few shops have the diagnostic equipment and technician training to proficiently handle complex Duramax or Denali electronics issues. Typical pricing is competitive and generally lower than dealership rates in Knoxville, but premium expertise (especially in diesel and transmission work) commands a fair market rate. Customers are advised to book appointments in advance, especially during the busy summer boating season.

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 Newcomb regulations and climate