The Best GMC Repair in Jefferson Valley, NY

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

#1

Westchester Truck & Auto Repair

4.7
(180 reviews)
Verified

Widely regarded as the leading specialist for heavy-duty GM trucks and SUVs in the area. They have built a strong reputation for deep technical knowledge, particularly with diesel engines and complex transmission work. Their technicians are experienced with the full spectrum of GMC models, from Sierra 1500s to Denali HD trucks, and they invest in advanced diagnostic equipment.

3639 Lexington Ave, Mohegan Lake, NY 10547 (Serves the entire Jefferson Valley area)

Specialties & Features

Duramax diesel service
Allison transmission repair
heavy-duty suspension

Business Information

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

Jefferson Valley Automotive

4.5
(220 reviews)
Verified

A long-standing, family-owned shop with deep roots in the community. They are known for honest diagnostics and high-quality workmanship on a wide range of vehicles, with a significant portion of their business dedicated to GM trucks and SUVs. They are a strong choice for routine towing package maintenance, EcoTec engine diagnostics, and general repair needs.

3635 Lee Blvd, Jefferson Valley, NY 10535

Specialties & Features

EcoTec engine diagnostics
towing system service
general GMC maintenance

Business Information

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

Gino's Auto Repair

4.3
(90 reviews)
Verified

A smaller, highly-focused shop known for its expertise in transmission systems and 4WD services. While they service all makes, they have specific, positive reviews citing successful repairs on GM 10-speed and Allison transmissions. They are a valuable specialist for complex driveline and 4WD issues that general shops may avoid.

1913 East Main St, Mohegan Lake, NY 10547 (Adjacent to Jefferson Valley)

Specialties & Features

Allison
10-speed transmission repair
4WD diagnostics
drivetrain service

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Jefferson Valley

** The GMC repair market in Jefferson Valley and its immediate surroundings (including Mohegan Lake and Yorktown Heights) is competitive and characterized by a mix of long-established general repair shops and a few highly-specialized technicians. The area's demographic, with a high number of commuters and residents with boats or trailers, creates strong demand for competent truck and SUV service. * **Average Quality:** The general quality is above average, with several shops capable of handling standard maintenance on GMC vehicles. However, true specialists for complex issues like Duramax engine diagnostics or advanced transmission programming are limited to 2-3 top-tier providers. * **Competition Level:** High. Shops compete not only on price but heavily on reputation, technical expertise, and the ability to service the more sophisticated Denali electronics and heavy-duty systems. The presence of a large, franchised GMC dealer also exerts competitive pressure. * **Typical Pricing:** Labor rates are consistent with the Westchester County average, typically ranging from **$130 - $175 per hour**. Specialized diesel or transmission work commands the premium end of this scale. Customers should expect a significant investment for major repairs but can find fair value for routine maintenance and diagnostics. **Note on Dealership:** The primary alternative to these independent specialists is the local GMC dealership, which offers factory-trained technicians and genuine parts. However, they are often the most expensive option and were excluded from this list as the research specifically focused on independent "specialists," which typically offer more personalized service and often deeper mechanical expertise in specific areas like diesel performance.

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 Jefferson Valley regulations and climate