The Best GMC Repair in Dewey, AZ

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

#1

Prescott Auto & Diesel Repair

4.8
(280 reviews)
Verified

A highly regarded, family-owned shop known for its expertise in both domestic and diesel vehicles. They have built a stellar reputation for honest diagnostics, quality workmanship, and specializing in the complex systems found in modern GMC trucks, particularly Duramax and Allison combinations. They are a top choice for heavy-duty truck owners in the Quad-City area.

1020 Commerce Dr, Prescott, AZ 86305

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Prescott Diesel & Auto Repair

4.7
(190 reviews)
Verified

As the name implies, this shop focuses heavily on diesel powertrains, making them a prime specialist for GMC Duramax owners. Their technicians are well-versed in the latest emissions systems and engine diagnostics. They also offer comprehensive general repair services, making them a one-stop shop for all GMC maintenance and repair needs.

1205 Larry Caldwell Dr, Prescott, AZ 86301

Specialties & Features

Duramax diesel service
EcoTec engine diagnostics
Towing package maintenance

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

A-1 Transmission Center

4.6
(150 reviews)
Verified

While not a general mechanic, A-1 is the leading transmission specialist in the region and is highly recommended for complex Allison transmission work and the newer 10-speed models found in late-model GMCs. For any transmission-related issue, from minor servicing to major rebuilds, they are the undisputed experts. They also service 4WD systems that are integral to the drivetrain.

820 Ainsworth Dr, Prescott, AZ 86301

Specialties & Features

Allison transmission repair
10-speed transmission service
4WD system service

Business Information

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

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

** The GMC repair market serving Dewey, Arizona, is characterized by high-quality, independent specialists clustered primarily in Prescott and Prescott Valley. Due to Dewey's size, there are no "GMC-only" specialists within its city limits, but the proximity to these commercial centers ensures excellent service availability. The market is moderately competitive, with several shops vying for the significant population of truck and SUV owners in the area. The average quality of service is high, as evidenced by the consistently strong reviews for the top shops. Pricing is typical for a regional Arizona market, generally 20-30% lower than dealership labor rates while offering more specialized and personalized service. For highly specialized needs like advanced Denali electronics or complex transmission work, residents are well-served by dedicated experts, though they may need to drive 10-20 minutes to Prescott. General maintenance and diagnostics are widely available, but the shops listed above distinguish themselves through specific technical certifications, invested tooling, and proven track records with complex GMC 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 Dewey regulations and climate