The Best GMC Repair in Mackay, ID

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

#1

Mackay Service Center

4.6
(120 reviews)
Verified

A long-standing, full-service automotive repair shop known for its deep roots in the Mackay community. They are recognized for their honest diagnostics and ability to handle a wide range of repairs, from routine maintenance on family vehicles to complex engine and transmission work on the heavy-duty trucks common in the region. Their technicians have experience with domestic brands like GMC.

12 N Main St, Mackay, ID 83251

Specialties & Features

Diesel engine service
Transmission repair
Heavy-duty suspension

Business Information

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

Arco Auto & Diesel

4.4
(85 reviews)
Verified

Located in the neighboring town of Arco, this shop is a crucial service provider for the entire Lost River Valley, including Mackay. They explicitly advertise diesel service and heavy-duty truck repair, making them a primary choice for GMC Duramax owners. They handle everything from performance tuning to major overhauls and are familiar with the towing and 4WD systems on these trucks.

3363 Grand Ave, Arco, ID 83213

Specialties & Features

Duramax diesel service
Allison transmission repair
Towing package maintenance

Business Information

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

Lost River Repair & Performance

4.7
(65 reviews)
Verified

A newer but highly regarded shop that has quickly built a reputation for technical expertise, especially with modern computer-controlled systems. They are the best local option for diagnosing complex electronic issues, including those found in GMC Denali models and EcoTec engines. They also perform suspension lifts and performance upgrades.

245 E Custer St, Mackay, ID 83251

Specialties & Features

EcoTec engine diagnostics
Denali electronics
4WD system service

Business Information

Years in Business:6 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in Mackay, Idaho, is characterized by a small number of highly versatile, independent service centers rather than dedicated brand-specific specialists. The local economy is heavily influenced by agriculture, mining, and outdoor recreation, resulting in a high concentration of GM trucks and SUVs, creating a strong incentive for local mechanics to be proficient with these vehicles. * **Average Quality:** The quality of service is generally high, with shops relying heavily on their reputation within the close-knit community. Trust and word-of-mouth are paramount. The technical capability is robust for mechanical systems (engines, transmissions, 4WD), but highly specialized electronic diagnostics for luxury features (like Denali) may require sourcing expertise from the larger shop, Lost River Repair, or a dealership further afield. * **Competition Level:** Competition is moderate but friendly. Each shop has developed a slight niche—Mackay Service Center for general reliability, Arco Auto & Diesel for diesel specialization, and Lost River Repair for modern diagnostics and performance. There is no GMC dealership in the immediate area, which solidifies the role of these independents. * **Typical Pricing:** Labor rates are typically 15-25% lower than dealership rates found in larger cities like Idaho Falls, providing significant value to local residents. Pricing is considered fair and competitive within the local market, with an emphasis on transparent, upfront quotes. Parts availability can sometimes cause delays, but shops are adept at sourcing what is needed.

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 Mackay regulations and climate