Top 3 GMC Repair Shops in Loomis

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

#1

Hi-Tech Automotive & Diesel

4.7
(180 reviews)
Verified

A highly regarded, family-owned shop known for its technical expertise with modern, complex vehicle systems. They are a top choice for diesel performance, transmission work, and advanced diagnostics, making them particularly well-suited for GMC Sierra HD trucks and Denali models.

1820 Apple Way, Oroville, WA 98844

Specialties & Features

Duramax diesel service
Allison transmission repair
EcoTec engine diagnostics

Business Information

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

Okanogan County Auto & 4x4

4.5
(120 reviews)
Verified

This shop has built a strong local reputation for robust mechanical work, particularly on trucks and 4WD systems. They are a dependable provider for suspension upgrades, towing system maintenance, and general heavy-duty truck service, catering to the agricultural and outdoor recreation needs of the region.

1024 2nd Ave S, Okanogan, WA 98840

Specialties & Features

Heavy-duty truck suspension
4WD and towing system service
General mechanical repair

Business Information

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

Ron's Auto Service Center

4.6
(200 reviews)
Verified

A long-standing, trusted name in the Oroville area, Ron's provides comprehensive automotive care with a focus on customer service and reliability. While not exclusively a diesel specialist, they are fully capable of handling a wide range of GMC service needs, from routine maintenance on EcoTec engines to diagnostics for luxury electronics on Denali trims.

1320 Main St, Oroville, WA 98844

Specialties & Features

General GMC service and maintenance
EcoTec engine diagnostics
Denali electronics and features

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market serving Loomis, WA, is characterized by a small number of high-quality, independent shops located in neighboring towns, primarily Oroville and Okanogan. Due to the rural nature of Okanogan County, residents are accustomed to traveling short distances for specialized services. There are no dealership service centers (GM or otherwise) in the immediate Loomis/Oroville area, with the nearest GMC dealer being in Wenatchee, over 100 miles away. This void is filled effectively by these independent shops. The level of competition is moderate but of a high caliber; these businesses have survived by building strong reputations for honesty and expertise over decades. The typical pricing is competitive for a rural market but may be slightly lower than urban dealer rates. The focus is on practical, durable repairs suited for the demanding local conditions, including agriculture, towing, and rugged terrain. For highly specialized Duramax or transmission work, Hi-Tech Automotive & Diesel is the standout provider, while the other two shops offer excellent all-around GMC service and maintenance.

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 Loomis regulations and climate