The Best GMC Repair in Oak Ridge, NJ

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

#1

A&D Auto & Truck Repair

4.8
(180 reviews)
Verified

A&D Auto & Truck Repair has built a stellar reputation as the go-to shop for complex diesel and transmission work in the North Jersey area. They are known for their technical expertise, particularly with GM powertrains. Customers frequently praise their honest diagnostics, quality workmanship, and ability to handle everything from routine EcoTec service to major Duramax and Allison overhauls. They are a top choice for heavy-duty truck owners.

66 US-46, Mine Hill, NJ 07801 (Approx. 7 miles from Oak Ridge)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Denville Transmission & Auto Repair

4.7
(250 reviews)
Verified

While "Transmission" is in their name, this well-established shop offers comprehensive automotive care with a recognized specialization in both domestic and import vehicles. They receive consistent positive reviews for their work on GM transmissions, including the Allison series and newer 10-speeds. Their technicians are skilled in 4WD system service and general engine diagnostics, making them a reliable all-around provider for GMC Sierra, Yukon, and Canyon owners.

33 State Route 53, Denville, NJ 07834 (Approx. 12 miles from Oak Ridge)

Specialties & Features

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

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Randolph Auto Repairs

4.6
(90 reviews)
Verified

Randolph Auto Repairs is a highly-trusted local shop known for its personalized service and deep community roots. They excel in general GMC maintenance and repair, with strong capabilities in suspension work, brake service, and electrical diagnostics pertinent to Denali trim levels. They are a excellent choice for owners seeking a dependable, smaller shop for routine maintenance, towing package upkeep, and non-major engine repairs.

1076 Sussex Turnpike, Randolph, NJ 07869 (Approx. 6 miles from Oak Ridge)

Specialties & Features

Denali luxury features and electronics
Towing package maintenance
Heavy-duty truck suspension

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Oak Ridge

The GMC repair market serving Oak Ridge, NJ is characterized by a handful of high-quality, independent shops located in the surrounding towns of Morris County, rather than a high volume of direct competition within Oak Ridge itself. The market is not saturated, which allows reputable shops to maintain strong business longevity. The average quality of service is high, as these businesses survive and thrive on word-of-mouth and long-term customer relationships in a community-driven area. Pricing is typically in the upper-mid range for the region, reflecting the higher labor rates of North Jersey and the specialized knowledge required for complex GMC systems like Duramax and Allison. Consumers have a clear choice between specialized diesel/transmission experts (like A&D) and more generalized, but highly competent, full-service shops (like Randolph Auto Repairs), with Denville Transmission offering a strong middle ground. For purely electronic or warranty work, residents often consider dealerships further afield, but for mechanical expertise, the local independent shops are the preferred and most-trusted option.

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 Oak Ridge regulations and climate