The Best GMC Repair in Somerton, AZ

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

#1

C & C Diesel & Auto Repair

4.7
(180 reviews)
Verified

A highly reputable, family-owned shop known for its deep expertise in diesel performance and diagnostics. They are a go-to for complex Duramax engine issues, Allison transmission rebuilds, and heavy-duty suspension work. Their technicians are praised for their problem-solving skills and transparency.

1986 S Avenue A, Somerton, AZ 85350

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Pro Auto & Diesel Repair

4.5
(110 reviews)
Verified

A well-established full-service shop that provides comprehensive care for both gas and diesel GMC trucks. They have a strong focus on general maintenance, EcoTec engine diagnostics, and transmission services. They are known for their reliable service and fair pricing, making them a popular choice for routine and complex repairs.

1501 S Avenue A, Somerton, AZ 85350

Specialties & Features

EcoTec engine diagnostics
Transmission repair
Towing package maintenance

Business Information

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

A & M Auto Electric

4.6
(90 reviews)
Verified

This shop specializes in the electrical and electronic systems of modern vehicles, making them an excellent resource for GMC Denali owners. Their expertise is crucial for diagnosing and repairing complex infotainment systems, advanced driver-assistance features (ADAS), and electrical gremlins that other shops may struggle with.

1240 S Avenue A, Somerton, AZ 85350

Specialties & Features

Denali luxury features and electronics
4WD and towing system service
Electrical diagnostics

Business Information

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

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

** The GMC repair market in Somerton is characterized by a high concentration of expertise in diesel and heavy-duty truck services, directly serving the local agricultural, construction, and cross-border transportation industries. The average quality of specialized repair is high, as shops must be competent to handle complex modern systems to remain competitive. **Competition Level:** High. While there are fewer general "quick-lube" shops, the competition among diesel and transmission specialists is fierce. This benefits the consumer, as shops compete on quality of work, diagnostic capability, and customer service. **Typical Pricing:** Pricing is generally competitive with national averages but can be slightly elevated for highly specialized diesel and transmission work due to the required expertise and equipment. Labor rates typically range from $120-$160 per hour. Shops like C & C Diesel may command a premium for their specialized performance and diesel tuning services. **Key Differentiator:** The top providers distinguish themselves through specific certifications (though often manufacturer-agnostic), investment in advanced diagnostic tools, and a track record of successfully handling the most challenging repairs that other shops turn away. For GMC owners, this means a viable and often more personalized alternative to the dealership network in Yuma.

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 Somerton regulations and climate