The Best GMC Repair in Mesa, AZ

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

#1

Arizona Differential & Gear

4.8
(280 reviews)
Verified

Widely regarded as the premier specialist for drivetrain and powertrain systems in the Valley. While the name suggests a narrow focus, their expertise is comprehensive, especially for heavy-duty GMC trucks. They are the go-to for complex mechanical issues that general mechanics avoid, with a renowned reputation for Duramax and Allison service.

205 S Gilbert Rd, Mesa, AZ 85204

Specialties & Features

Duramax diesel service
Allison transmission repair
4WD and differential service

Business Information

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

Coulter Cadillac GMC Service Center

4.4
(150 reviews)
Verified

As the factory-authorized dealership, this is the top choice for warranty work, complex electronics, and maintaining factory specifications. Their technicians are GM-certified and have direct access to the latest technical service bulletins and diagnostic software. They excel with Denali luxury features, infotainment systems, and factory towing package calibrations.

1740 E Main St, Mesa, AZ 85203

Specialties & Features

Denali luxury/electronics
EcoTec engine diagnostics
factory towing package maintenance

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#3

Earnhardt's Service Center - Mesa

4.6
(190 reviews)
Verified

A long-standing, family-owned business with a stellar reputation for honest and high-quality work. They offer a robust blend of expertise, capable of handling everything from routine EcoTec maintenance to heavy-duty suspension work and transmission service on GMC trucks. They are often praised for their personal service and deep local roots.

3047 E McKellips Rd, Mesa, AZ 85213

Specialties & Features

Heavy-duty truck suspension
Allison transmission repair
general GMC service
diagnostics

Business Information

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

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

** The GMC repair market in Mesa, Arizona, is robust and competitive, reflecting the region's high truck ownership for both personal and commercial use. The quality of service providers is tiered: * **Dealership Service (Top Tier - Electronics/Software):** Service centers like Coulter GMC are unmatched for software updates, advanced driver-assistance systems (ADAS) calibration on Denali models, and warranty work. Their pricing is typically the highest, with labor rates 15-25% above premium independents. * **Specialist Independents (Top Tier - Mechanical/Drivetrain):** Shops like Arizona Differential & Gear represent the peak of mechanical expertise for complex, high-cost components like differentials, transmissions, and diesel engines. They attract customers seeking specialized knowledge often at a slightly lower cost than the dealership. * **General Repair Shops (Mid-Tier):** Many reputable shops, like Earnhardt's, provide excellent general service and can handle most GMC needs. They are a strong value proposition for owners of older models or for those seeking a trusted long-term mechanic for non-specialist repairs. Typical pricing for a standard service (oil change, inspection) is competitive. However, specialized work commands a premium; a Duramax fuel system service can range from $1,500-$3,000+, while an Allison transmission rebuild can easily exceed $4,500. The market has a noticeable gap in providers who are true masters of *both* the complex mechanical systems (Duramax/Allison) and the advanced electronics (Denali features) under one roof, often forcing owners to use multiple specialists.

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 Mesa regulations and climate