The Best GMC Repair in Harrisburg, OR

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

#1

Kendall GMC of Eugene

4.5
(450 reviews)
Verified

As the region's authorized GMC dealership, Kendall offers the highest level of factory-specific training, tools, and original parts. Their service department is equipped to handle everything from routine EcoTec3 maintenance on a Terrain to complex diagnostics and repairs on a Sierra HD Denali with a Duramax/Allison powertrain, 4WD, and advanced towing systems.

1155 Coburg Rd, Eugene, OR 97401

Specialties & Features

Duramax diesel service
Allison transmission repair
Denali luxury
electronics

Business Information

Years in Business:60 years
Licensed:Yes
Insured:Yes
#2

All Service Transmissions & Automotive

4.8
(180 reviews)
Verified

A highly reputable, family-owned shop known for its transmission expertise, particularly with the robust Allison transmissions found in GMC trucks. They have expanded their services to become a full-service automotive and diesel repair center, making them a premier independent alternative to the dealership for drivetrain and engine work.

1212 Executive Pkwy, Eugene, OR 97401

Specialties & Features

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

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Harrisburg Repair LLC

4.7
(95 reviews)
Verified

The leading local repair shop physically located within Harrisburg city limits. While smaller than the Eugene specialists, they have built an exceptional reputation for honest, high-quality work on domestic trucks and SUVs. They are the go-to local provider for general maintenance, suspension work, and diagnostics, often handling jobs before they require more specialized dealer intervention.

255 Smith St, Harrisburg, OR 97446

Specialties & Features

EcoTec engine diagnostics
Heavy-duty truck suspension
General maintenance
repairs

Business Information

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

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

** The GMC repair market in and around Harrisburg, Oregon, is characterized by a clear hierarchy of service providers. As a small, agricultural, and commuter town, Harrisburg itself supports a small number of highly competent general mechanics, like Harrisburg Repair LLC, who are trusted for day-to-day service and repairs. However, for the specialized needs of modern GMC trucks—especially those with Duramax diesel engines, complex Allison transmissions, and advanced Denali electronics—residents overwhelmingly look to the Eugene/Springfield metropolitan area, just a 15-20 minute drive away. The competition for this specialized work is strong in Eugene, featuring the factory-authorized dealership (Kendall GMC) and several highly established independent specialists (like All Service Transmissions). This competition benefits the consumer by ensuring high standards of quality and expertise. Pricing tiers are evident: dealership labor rates are typically the highest, followed by the specialized independents, with local general shops being the most cost-effective for non-specialist work. For a Harrisburg resident, the typical choice is between the convenience and growing capability of the local shop for general issues and the guaranteed expertise of the Eugene specialists for major powertrain, diesel, or luxury feature 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 Harrisburg regulations and climate