The Best GMC Repair in Howard, OH

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

#1

Knox Diesel & Auto Repair

4.8
(180 reviews)
Verified

Widely recognized as the premier diesel specialist in Knox County. While they service all vehicles, their core expertise is in diesel engine performance, diagnostics, and repair, with a heavy focus on Duramax platforms. They are known for their technical depth, honest assessments, and ability to handle complex drivability issues that general shops often turn away.

1501 Newark Rd, Mount Vernon, OH 43050 (Approx. 6 miles from Howard)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Mount Vernon Transmission & Auto Care

4.6
(220 reviews)
Verified

A long-standing, family-owned shop with an excellent reputation for transmission work, including the complex Allison units found in GMC trucks. They offer comprehensive general auto repair but are the go-to for transmission rebuilds, servicing, and diagnostics. They frequently work on 4WD systems and vehicles used for towing.

807 Coshocton Rd, Mount Vernon, OH 43050 (Approx. 5 miles from Howard)

Specialties & Features

Allison transmission repair
4WD and towing system service
EcoTec engine diagnostics

Business Information

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

Fredericktown Auto & Truck Repair

4.5
(90 reviews)
Verified

A well-respected, full-service shop that caters to both passenger cars and light-duty trucks. They have certified technicians experienced with the full range of GMC vehicles, from Sierra pickups to Acadia SUVs. They are a strong choice for general maintenance, electrical diagnostics, and suspension work on GMC models.

100 Innovation Dr, Fredericktown, OH 43019 (Approx. 8 miles from Howard)

Specialties & Features

EcoTec engine diagnostics
Towing package maintenance
General GMC service
repairs

Business Information

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

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

** The GMC repair market serving Howard, Ohio, is characteristic of a rural-to-suburban area. There are no exclusive GMC dealerships within Howard itself, creating a robust and competitive market for high-quality independent repair shops. The average quality of service is high, as these businesses survive on reputation and word-of-mouth in a tight-knit community. Competition is strong among the top-tier independents in nearby Mount Vernon and Fredericktown, who differentiate themselves through specific specializations (e.g., Knox Diesel for powertrain, Mount Vernon Transmission for driveline). Pricing is typically 30-40% lower than a metropolitan-area dealership, with labor rates in the $110-$140/hour range. Customers are generally well-served for routine maintenance and most repairs locally, though for highly specific Denali electronics or brand-new model year issues, a trip to a Columbus-area GMC dealer may still be necessary.

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 Howard regulations and climate