Top 3 GMC Repair Shops in Sunbright

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

#1

Morgan County Automotive

4.8
(180 reviews)
Verified

A family-owned and operated full-service garage known for its honest diagnostics and expertise with both domestic and import vehicles. They have a strong reputation for complex engine diagnostics, including EcoTec and diesel systems, and are a go-to for transmission service and 4WD repairs in the region.

4258 Rugby Hwy, Sunbright, TN 37872

Specialties & Features

EcoTec engine diagnostics
Allison transmission service
4WD system repair

Business Information

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

Harriman Diesel & Auto Repair

4.6
(110 reviews)
Verified

Located a short drive from Sunbright, this shop is a clear leader for diesel and heavy-duty truck service. They are highly recommended for Duramax performance, towing system maintenance, and heavy-duty suspension work, making them an ideal choice for GMC 2500/3500 owners.

2209 S Roane St, Harriman, TN 37748

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Towing package maintenance

Business Information

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

C & C Auto & Truck Repair

4.5
(90 reviews)
Verified

Serving the broader Morgan County area, C & C Auto provides comprehensive repair services with a focus on transmissions and general truck maintenance. They are a reliable local option for Allison transmission service and general GMC repair needs, known for their personalized customer service.

4474 Winter Camp Rd, Lancing, TN 37770 (Approx. 10 miles from Sunbright)

Specialties & Features

Allison transmission repair
General GMC service
Towing system checks

Business Information

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

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

** The GMC repair market in Sunbright, Tennessee, reflects its rural, small-town setting. There are no dedicated GMC dealership service centers within the city limits, creating a niche for skilled independent garages and specialists. The market is characterized by a handful of long-standing, family-owned businesses that compete primarily on reputation, trust, and word-of-mouth rather than extensive marketing. Competition is moderate but highly localized; residents often choose between the few local shops or travel to nearby cities like Harriman or Oak Ridge for more specialized diesel or transmission work. **Average Quality:** The average quality of independent shops is good to high, with several providers boasting over 15 years of local operation, indicating consistent community trust. **Competition Level:** Low to moderate. The barrier to entry is high due to the need for established local reputation. **Typical Pricing:** Pricing is generally competitive and often lower than in larger metropolitan areas. Labor rates are a key differentiator, with most shops offering rates that are considered very reasonable for specialized work, especially on diesel and transmission systems.

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 Sunbright regulations and climate