The Best GMC Repair in Gallup, NM

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

#1

Gallup Transmission & Auto Repair

4.7
(180 reviews)
Verified

Widely regarded as the leading transmission and drivetrain specialist in the area. They have built a strong reputation for complex repairs on Allison transmissions and 4WD systems, making them a primary choice for GMC Sierra and Denali owners, especially those with towing and heavy-duty needs.

1603 W Coal Ave, Gallup, NM 87301

Specialties & Features

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

Business Information

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

Big O Tires - Gallup

4.5
(250 reviews)
Verified

As a national franchise with a strong local presence, this location offers a broad range of services with consistent quality. They are a top choice for routine maintenance, suspension work, and tire services crucial for GMC trucks. Their technicians are trained on a wide variety of makes and models, including GMC's complex electronics and suspension systems.

1713 W Historic Hwy 66, Gallup, NM 87301

Specialties & Features

Heavy-duty truck suspension
towing package maintenance
EcoTec engine diagnostics

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Gallup Diesel & Auto Repair

4.3
(90 reviews)
Verified

A more specialized shop that has gained a loyal following for its focus on diesel performance and diagnostics. They are particularly adept at handling Duramax engine issues, from basic maintenance to more complex diagnostic and repair work, which is a critical need for GMC 2500/3500 owners in the region.

3023 E Hwy 66, Gallup, NM 87301

Specialties & Features

Duramax diesel service
EcoTec engine diagnostics
general GMC repair

Business Information

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

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

The GMC repair market in Gallup, New Mexico, is characterized by its necessity due to the city's location on major transportation routes like I-40 and its role as a commercial and agricultural hub. The demand for competent repair shops, especially for heavy-duty Duramax-powered trucks and those used for towing, is high. While there is no dedicated GMC dealership in Gallup itself (the nearest is in Grants or Flagstaff), this has fostered a competitive landscape of skilled independent shops and franchises. **Average Quality:** The overall quality is good, with several shops possessing deep expertise in the areas most critical to GMC owners (diesel, transmission, 4WD). Shops that specialize, like Gallup Transmission, are often on par with dealership technical skill for their specific niche. **Competition Level:** Moderate to high. There are a limited number of shops with the advanced diagnostic tools and certified expertise for the latest GMC electronics and diesel systems, creating a tiered market. The top-rated specialists are consistently busy, indicating strong demand for their specific skills. **Typical Pricing:** Pricing is generally competitive and often more affordable than dealership rates in larger cities. However, for specialized diesel or transmission work, labor rates are in line with industry standards for expert technicians. Customers can expect to pay a premium for expertise on Duramax and Allison systems, but this is justified by the complexity of the repairs.

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 Gallup regulations and climate