The Best GMC Repair in Post, OR

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

#1

Kendall GMC of Prineville

4.5
(180 reviews)
Verified

As the only factory-authorized GMC dealership in Crook County, Kendall GMC is the premier destination for warranty work, complex electronics, and factory-level diagnostics. Their service department has direct access to GMC technical resources, proprietary tools, and OEM parts. They are the go-to for Denali luxury features, new Allison transmission programming, and factory towing system integrations.

2155 NE 3rd St, Prineville, OR 97754

Specialties & Features

Denali electronics and diagnostics
Factory towing package maintenance
GMC factory recalls and software updates

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Prineville Diesel & Auto Repair

4.7
(95 reviews)
Verified

A highly respected independent shop known for its deep expertise in diesel performance and heavy-duty systems. They are the preferred alternative to the dealership for owners of Duramax-powered HD trucks (Sierra 2500/3500) requiring major service, performance upgrades, or complex transmission work. Their technicians have advanced training on Allison transmissions and Duramax engine diagnostics.

491 NE 5th St, Prineville, OR 97754

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Certified Auto & Diesel

4.3
(130 reviews)
Verified

A well-established full-service shop that provides a strong balance of expertise for both the light-duty EcoTec engines (found in Sierra 1500s, Terrain, Acadia) and the heavier-duty platforms. They are known for honest diagnostics and reliable work on 4WD systems, general transmission service, and overall powertrain repair, making them a great all-around choice for the GMC fleet.

1270 NE 3rd St, Prineville, OR 97754

Specialties & Features

EcoTec engine diagnostics
4WD system service
General transmission and powertrain repair

Business Information

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

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

The GMC repair market for residents of Post, Oregon is centralized in Prineville. The market is characterized by **moderate competition** among a handful of established providers, with a clear division of specialization. **Kendall GMC** holds a monopoly on factory-certified services and warranty work, allowing them to command premium pricing for dealership-level service. The independent shops, **Prineville Diesel & Auto Repair** and **Certified Auto & Diesel**, compete on price, personalized service, and niche expertise (especially in diesel performance), often attracting customers out of warranty or those seeking modifications. Typical pricing reflects this dynamic, with dealership labor rates being the highest, followed by the specialized diesel shop, and then the general auto-diesel provider. For a region of this size, the quality of service available is surprisingly robust, preventing the need for residents to travel to larger metros like Bend for all but the most extreme specialist needs. Customer satisfaction is highly dependent on matching the specific GMC model and repair need with the correct shop's specialty.

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 Post regulations and climate