The Best GMC Repair in Morrisonville, NY

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

#1

Northern Diesel & Auto Repair

4.8
(180 reviews)
Verified

A highly regarded, family-owned shop known for its deep expertise in diesel engines, particularly the Duramax, and heavy-duty truck services. They are the go-to facility in the region for complex diagnostics, transmission work, and suspension upgrades on HD GMC trucks like the Sierra 2500/3500. Their technicians are known for their problem-solving skills on both mechanical and electronic systems.

7591 US-9, Plattsburgh, NY 12901 (Serves Morrisonville)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Simplex Automotive

4.6
(250 reviews)
Verified

A long-standing, full-service automotive center with a strong reputation for comprehensive service on a wide range of vehicles, including GMC SUVs and trucks. They have specific expertise in 4WD system service, EcoTec engine diagnostics for models like the Terrain and Acadia, and general towing package maintenance. They are praised for their honest assessments and quality workmanship.

4677 US-9, Plattsburgh, NY 12901 (Serves Morrisonville)

Specialties & Features

4WD and towing system service
EcoTec engine diagnostics
General GMC maintenance

Business Information

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

D&K's Automotive

4.7
(90 reviews)
Verified

A well-respected, independent shop known for its personalized service and technical competence. While they service all makes and models, they have developed a strong niche with GM products, including GMC. Their strengths lie in transmission services (both Allison and newer 10-speed models), electrical diagnostics for Denali trim features, and general powertrain repair. They are a great option for owners seeking an alternative to the dealership.

63 Sharron Ave, Plattsburgh, NY 12901 (Serves Morrisonville)

Specialties & Features

Allison and 10-speed transmission repair
Denali electronics diagnostics
GMC powertrain service

Business Information

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

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

** The GMC repair market in the Morrisonville/Plattsburgh area is characterized by a handful of highly competent independent shops that have filled the niche for specialized service, particularly for heavy-duty and diesel trucks. The competition is moderate but of a high quality, with several shops boasting decades of longevity and stellar community reputations. **Average Quality:** The average quality of specialized GMC repair is quite high. The leading independents often rival or exceed the capabilities of the nearest GMC dealerships for complex mechanical work, offering more personalized service and sometimes more competitive labor rates. **Competition Level:** The market is not oversaturated with specialists. There are a few dominant players (like those listed above) who have earned the community's trust through consistent results. This means consumers have good, clear choices without being overwhelmed. **Typical Pricing:** Pricing is typical for a rural/suburban region in Upstate New York. Labor rates are generally lower than in major metropolitan areas but reflect the high skill level required for diesel and transmission work. Expect to pay a premium for Duramax and Allison-specific services, justified by the required expertise and specialized tooling. Most shops are transparent with quotes and prioritize customer communication on pricing.

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 Morrisonville regulations and climate