The Best GMC Repair in Newfoundland, NJ

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

#1

Sussex County Auto & Truck Repair

4.8
(180 reviews)
Verified

A highly respected, family-owned shop known for its deep expertise in both domestic cars and heavy-duty trucks. They have master technicians on staff with specific experience in GM powertrains. They are a top choice for complex diagnostics on diesel engines and sophisticated electronics found in Denali models.

10 Route 23, Sussex, NJ 07461 (Approx. 7 miles from Newfoundland)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

J & L Automotive

4.7
(120 reviews)
Verified

J & L has built a strong reputation in the Newfoundland community for honest service and technical proficiency with American-brand vehicles. They are particularly adept at handling EcoTec engine diagnostics, routine maintenance, and 4WD system service for the local fleet of GMC SUVs and trucks.

109 Main St, Newfoundland, NJ 07435

Specialties & Features

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

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Mechio's Automotive & Transmission

4.9
(90 reviews)
Verified

While not exclusively a truck shop, Mechio's is a premier specialist for transmission work, making them a critical resource for GMC owners with Allison or 10-speed transmission issues. Their excellent reputation for quality workmanship and customer service extends to comprehensive engine and drivetrain service.

294 Route 23, Newfoundland, NJ 07435

Specialties & Features

Allison transmission repair
Transmission service
Drivetrain diagnostics

Business Information

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

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

** The GMC repair market in and directly around Newfoundland, NJ, is characterized by a mix of small, reputable general auto repair shops and a select few regional specialists. Due to the town's rural/suburban nature and proximity to major routes like I-80 and Route 23, there is a high density of GMC trucks, SUVs, and Denali models. This creates a strong demand for the specialized services you listed. * **Average Quality:** The average quality of general repair is good, but true specialization in areas like Duramax diesel and Allison transmissions requires seeking out the dedicated experts, often located in the neighboring towns of Sussex, Jefferson, or Oak Ridge. * **Competition Level:** Competition is moderate. While there are several repair options, the shops that have invested in the specific training, tools, and reputation for high-end GMC work stand out significantly and are in high demand. They compete on expertise and reputation rather than price. * **Typical Pricing:** Pricing is in line with Northern New Jersey averages. General maintenance (oil changes, brake service) is competitively priced. Specialized work (Duramax injector replacement, transmission rebuild, air suspension repair) commands a premium due to the required expertise, diagnostic time, and cost of OEM or high-quality parts. Hourly labor rates typically range from $125-$165/hour. For the most complex issues—particularly with diesel engines, transmission programming, or Denali electronic features—residents of Newfoundland are consistently referred to the top-tier specialists in the surrounding county.

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 Newfoundland regulations and climate