Top 3 GMC Repair Shops in Hartline

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

#1

Dan's Auto & Diesel Repair

4.7
(180 reviews)
Verified

A long-standing, family-owned shop known for its deep expertise in diesel engines and complex transmission work. They are a go-to for farmers, ranchers, and truck owners throughout the Columbia Basin for their honest diagnostics and ability to handle everything from routine maintenance on a Denali to major Duramax overhauls.

1024 S Pioneer Way, Moses Lake, WA 98837

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty suspension

Business Information

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

C&G Auto Service

4.8
(90 reviews)
Verified

Highly regarded for their technical precision and customer service. While they service all makes and models, they have developed a strong reputation for diagnosing and repairing complex electronic and mechanical issues on late-model GMC trucks, including Denali trim levels and EcoTec engines.

1167 N Stratford Rd, Moses Lake, WA 98837

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
Towing package maintenance

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Jim's Automotive

4.6
(130 reviews)
Verified

A trusted name in the Ephrata community, offering comprehensive repair services with a focus on drivability and 4WD systems. They are known for their practical, cost-effective solutions for both light-duty and heavy-duty GMC trucks, making them a popular choice for transmission service and 4WD system maintenance.

1390 Basin St SW, Ephrata, WA 98823

Specialties & Features

Transmission repair (Allison
10-speed)
4WD system service
General drivability diagnostics

Business Information

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

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

The GMC repair market for residents of Hartline, WA, is characterized by a reliance on regional service centers in larger neighboring towns like Moses Lake and Ephrata. There is no direct competition within Hartline itself. The overall quality of specialized GMC service in the region is good, with several well-established, reputable shops that have built trust over decades. Competition is moderate but healthy, driving a focus on customer service and technical expertise. Typical pricing is in line with rural Washington markets—generally lower than major metropolitan areas like Seattle but reflective of the specialized tooling and training required for modern GMC trucks, especially diesel and transmission systems. For major Duramax or Allison work, these local specialists are often preferred over the dealership network due to personalized service and perceived value.

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 Hartline regulations and climate