The Best GMC Repair in Mormon Lake, AZ

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

#1

Flagstaff Truck & Auto Repair

4.8
(240 reviews)
Verified

A highly reputable, family-owned shop known for its expertise in domestic trucks and SUVs. They have a dedicated diesel bay and several ASE Master Technicians with specific training on GM platforms. They are the go-to for complex diagnostics on modern GMC vehicles, from the 3.0L Duramax to the Denali's intricate electronics.

2715 E Lakin Dr, Flagstaff, AZ 86004

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty suspension
towing systems

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Coconino Automotive & Diesel

4.6
(180 reviews)
Verified

This shop has built a strong reputation for tackling the toughest jobs on heavy-duty pickups and SUVs common in Northern Arizona. They are particularly adept at 4WD system service and towing package maintenance, ensuring vehicles are safe for mountain driving and hauling trailers. They use factory-level diagnostic tools.

312 S Milton Rd, Flagstaff, AZ 86001

Specialties & Features

4WD and towing system service
EcoTec3/ECoTec3 diesel diagnostics
Transmission service
repair

Business Information

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

Sandoval Auto & Truck Repair

4.7
(150 reviews)
Verified

While a full-service repair shop, Sandoval's has developed a niche expertise with GM vehicles. They are frequently recommended for their honest diagnostics and effective work on everything from the standard 5.3L V8 to the complex electronic features in GMC Denali models. They offer a robust warranty on all repairs.

420 S Beaver St, Flagstaff, AZ 86001

Specialties & Features

GMC/Chevy engine diagnostics
Denali electronics
luxury feature repair
General maintenance
repair

Business Information

Years in Business:9 years
Licensed:Yes
Insured:Yes

Why These Are the Top GMC Repair Auto Repair Shops in Mormon Lake

** The GMC repair market serving Mormon Lake, Arizona, is entirely centered in Flagstaff, approximately a 30-minute drive away. The market is characterized by high-quality, independent shops that have evolved to meet the demands of a region reliant on capable trucks and SUVs for work, recreation, and towing. Competition is strong among these top-tier independents, who compete directly with the lone GMC dealership in Flagstaff. The independent shops often provide more specialized, personal service and can be more cost-effective for out-of-warranty vehicles. Typical pricing is above the national average, reflecting the higher cost of living and business operation in Flagstaff, as well as the specialized knowledge required for modern, complex GMC systems. Customers generally report high satisfaction, valuing technical expertise and reliability over sheer convenience, given the distances involved. For a resident of Mormon Lake, establishing a trusted relationship with one of these Flagstaff specialists is essential for vehicle maintenance and repair.

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 Mormon Lake regulations and climate