The Best GMC Repair in Brownsville, TN

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

#1

Haywood County GM

4.6
(180 reviews)
Verified

As the local, factory-authorized General Motors dealership, this is the premier destination for GMC service in the area. 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 electrical diagnostics, warranty work, and all services for newer models, including Denali trims and diesel-powered trucks.

1150 E Main St, Brownsville, TN 38012

Specialties & Features

Duramax diesel service
Denali electronics
features
Allison transmission repair

Business Information

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

Pro-Tech Diesel & Auto Service

4.7
(95 reviews)
Verified

A highly-rated independent shop that has built a strong reputation for expertise in diesel engine performance and repair. They are a top choice for owners of Duramax-powered trucks who prefer an independent specialist over the dealership. Their reviews frequently highlight their honesty, deep technical knowledge, and ability to handle complex mechanical issues that other shops may turn away.

914 Anderson Ave, Brownsville, TN 38012

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
EcoTec engine diagnostics

Business Information

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

C & M Auto Repair

4.4
(70 reviews)
Verified

A well-established, family-oriented auto repair shop known for its reliable service and strong presence in the local community. While they service all makes and models, they have specific experience with GM trucks and SUVs, including transmission services and general maintenance of towing systems. They are an excellent option for routine maintenance, suspension work, and non-warranty mechanical repairs on GMC vehicles.

1119 E Main St, Brownsville, TN 38012

Specialties & Features

Transmission service
4WD diagnostics
Towing package maintenance

Business Information

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

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

** The GMC repair market in Brownsville, TN, is characteristic of a rural, agricultural hub. The demand for competent service on heavy-duty trucks, particularly those with Duramax diesel engines and Allison transmissions, is high due to the prevalence of farming and towing needs. The market is not oversaturated with specialists; instead, it is dominated by a few key players. * **Average Quality:** The quality is bifurcated. The dealership (Haywood County GM) offers the highest level of OEM-specific technical expertise, especially for complex electronics and newer models. The top independents (like Pro-Tech) offer exceptional, specialized mechanical expertise often at a more competitive labor rate. * **Competition Level:** Moderate. The dealership holds a monopoly on factory-authorized service. True diesel and transmission specialists are limited, giving established shops like Pro-Tech and C & M a stable, loyal customer base. There is little competition from national chains for this specialized work. * **Typical Pricing:** Pricing is competitive for the region. Dealership labor rates are at the premium end of the scale. Independent specialists typically offer rates 15-25% lower than the dealership. For major services like a Duramax injector replacement or Allison transmission rebuild, customers should expect estimates in the range of $3,000 - $7,000+, depending on the shop and the extent of the work.

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 Brownsville regulations and climate