Top 3 GMC Repair Shops in Del Rio

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

#1

Mathews GMC Newport

4.5
(180 reviews)
Verified

As the authorized GMC dealership for the region, this facility offers the highest level of factory-specific training, tools, and genuine GM parts. Their technicians are continuously updated on the latest diagnostics and repair procedures for all GMC models, from the Sierra 1500 to the heavy-duty 3500 series.

1045 Cosby Hwy, Newport, TN 37821

Specialties & Features

Duramax diesel service
Allison transmission repair
Denali luxury features and electronics

Business Information

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

Greeneville Diesel & Auto Repair

4.7
(95 reviews)
Verified

A highly-rated independent shop with a stellar reputation for technical expertise, particularly in diesel powertrains and heavy-duty systems. They are a top choice for GMC owners who prefer specialized, independent service over the dealership, often at a more competitive rate.

216 E Bernard Ave, Greeneville, TN 37745

Specialties & Features

Diesel engine service (Duramax)
Heavy-duty truck suspension
Towing package maintenance

Business Information

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

All-Pro Automotive

4.4
(130 reviews)
Verified

A well-established full-service shop known for its dependable work on domestic trucks and SUVs. They have strong diagnostic capabilities for both gasoline and diesel engines and offer comprehensive transmission and 4WD services, making them a reliable local option for a wide range of GMC repairs.

1023 Heritage Blvd, Newport, TN 37821

Specialties & Features

EcoTec engine diagnostics
Transmission repair (Allison
10-speed)
4WD system service

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Del Rio

** The GMC repair market serving Del Rio, TN, is characterized by its reliance on service providers in neighboring, larger towns like Newport and Greeneville. Del Rio itself, being a small Appalachian community, does not host a dedicated GMC dealership or a shop that exclusively specializes in GMC repairs. The competitive landscape is therefore regional. **Average Quality & Competition:** The quality of service is generally high, with several reputable shops competing for the significant truck-owning demographic in the area. The presence of the Mathews GMC dealership in Newport sets a high bar for factory-standard service, while independent specialists like Greeneville Diesel offer deep expertise in specific complex systems like the Duramax engine. This creates a healthy competitive environment that benefits consumers. **Typical Pricing:** Pricing follows a standard tiered structure. Dealership labor rates are typically the highest but come with factory-trained technicians and genuine parts. Independent specialists often offer rates 15-25% lower, providing excellent value, especially for older or out-of-warranty vehicles. For reference, a standard oil change on a Duramax diesel ranges from $120-$180, while complex transmission or engine diagnostics typically start at $150-$250. Overall, consumers in the Del Rio area have access to competent, specialized service, but must be willing to travel a short distance to Newport or Greeneville to obtain it.

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 Del Rio regulations and climate