The Best GMC Repair in Rex, GA

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

#1

Hennessy GMC of Morrow

4.5
(480 reviews)
Verified

As the local authorized GMC dealership, Hennessy offers factory-trained technicians, genuine GM parts, and direct access to the latest technical service bulletins and diagnostic software. This is the premier destination for warranty work, complex electronics, and maintaining factory certifications.

6633 Jonesboro Rd, Morrow, GA 30260

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Allison transmission repair

Business Information

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

Jonesboro Transmission & Auto Care

4.8
(210 reviews)
Verified

A highly reputable independent shop with specific expertise in transmissions and drivetrains. They are a recognized specialist for Allison transmissions, a critical component for GMC HD trucks. Their reviews consistently praise their honesty, deep technical knowledge, and ability to handle heavy-duty powertrains.

7848 N McDonough St, Jonesboro, GA 30236

Specialties & Features

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

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Car Doctors Automotive

4.7
(180 reviews)
Verified

A well-established, family-owned auto repair center known for its diagnostic capabilities and broad mechanical expertise. They serve a wide range of vehicles but have developed a strong reputation for handling GM trucks and SUVs, including suspension work, engine diagnostics, and general maintenance.

1675 Hudson Bridge Rd, Stockbridge, GA 30281

Specialties & Features

Heavy-duty truck suspension
EcoTec engine diagnostics
Towing package maintenance

Business Information

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

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

** The GMC repair market in the Rex, GA area is robust and competitive, characterized by a clear tiered structure. The **average quality** is high, driven by consumer demand for competent service for their trucks and SUVs. * **Top Tier:** Authorized dealerships like **Hennessy GMC** dominate the market for complex electronic, warranty, and luxury feature repairs. They command premium pricing but offer OEM parts and manufacturer-specific expertise. * **Specialist Tier:** Independent shops like **Jonesboro Transmission** have carved out a strong niche by offering deep expertise in specific high-cost systems (e.g., Allison transmissions, Duramax engines), often at a lower labor rate than the dealership. Their reputation is their most valuable asset. * **Generalist Tier:** Highly-rated general auto shops like **Car Doctors** compete effectively for routine maintenance, suspension work, and non-warranty engine diagnostics on GMC vehicles. They offer a personal touch and competitive pricing. **Competition Level** is high, which benefits the consumer. Shops must maintain excellent review scores and demonstrate specific competencies to thrive. **Typical Pricing** follows this hierarchy: Dealerships are the most expensive, followed by specialists, with competent generalists being the most cost-effective for non-specialized repairs. Customers in this market are knowledgeable and expect a shop to prove its expertise with GMC's unique 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 Rex regulations and climate