The Best GMC Repair in Montgomery, NY

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

#1

Certified Transmission & Auto Repair

4.8
(240 reviews)
Verified

A family-owned and operated business renowned for its transmission expertise, particularly with Allison units. They have expanded to become a full-service shop with highly trained technicians capable of handling complex Duramax diagnostics, diesel performance tuning, and heavy-duty suspension work. Their reputation for honesty and technical precision makes them a top choice.

25 Old North Plank Road, Newburgh, NY 12550

Specialties & Features

Allison transmission repair
Duramax diesel service
Heavy-duty truck suspension

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

A&D Auto & Truck Repair

4.7
(180 reviews)
Verified

A&D has built a formidable reputation specifically for diesel and heavy-duty truck repair. They are a go-to shop for Duramax owners, offering everything from routine maintenance to major engine overhauls and emissions system repairs. They are also well-versed in the 4WD systems and towing packages common on GMC Sierra and Yukon models.

259 South Street, Newburgh, NY 12550

Specialties & Features

Duramax diesel service
4WD and towing system service
EcoTec engine diagnostics

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

J&L Automotive Inc.

4.6
(150 reviews)
Verified

J&L Automotive is a highly trusted, long-standing independent shop known for its comprehensive diagnostic capabilities. They excel at troubleshooting complex electrical and electronic issues, making them an excellent choice for servicing Denali luxury features, infotainment systems, and advanced driver-assistance features. Their service is personalized and thorough.

25 Bridge Street, Middletown, NY 10940

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
General GMC maintenance
repair

Business Information

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

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

** The GMC repair market in the Montgomery, NY area is characterized by strong, independent specialists located in the immediate surrounding cities rather than within Montgomery's town limits itself. The competition is healthy but not oversaturated, with a clear distinction between general mechanics and the few shops that possess the specific tools, software, and technician certifications for advanced GMC systems like Duramax and Allison. The average quality of service is high among the top-tier providers, who compete on reputation and specialized knowledge rather than price. Typical pricing for specialized work is in the upper-mid range, reflecting the higher cost of diesel parts, advanced diagnostics, and certified labor. For routine maintenance, prices are competitive with dealerships but often with more personalized service. Consumers are advised to seek out these specialists for complex issues, as general repair shops may lack the proprietary diagnostic equipment for modern GMC electronics and emissions systems.

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 Montgomery regulations and climate