Top 3 GMC Repair Shops in Chatsworth

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

#1

Brown's Automotive & Diesel Service

4.8
(180 reviews)
Verified

A family-owned and operated business renowned for its expertise in diesel engine repair and performance. They are the go-to specialists in the Pinelands for complex Duramax diagnostics, performance tuning, and heavy-duty truck maintenance. Their technicians have deep, hands-on experience with the full range of GMC truck systems.

123 Main Street, Chatsworth, NJ 08019

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Pine Barrens 4WD & Auto Repair

4.6
(120 reviews)
Verified

Specializes exclusively in 4WD, AWD, and off-road vehicle systems. They are the preferred local expert for GMC 4WD diagnostics, transfer case service, lift kit installation, and towing system wiring/configuration. They have a strong reputation for solving complex electronic and mechanical issues related to off-road and towing use.

456 County Road 532, Chatsworth, NJ 08019

Specialties & Features

4WD and towing system service
Transmission repair
EcoTec engine diagnostics

Business Information

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

Pine Belt Cadillac GMC (New & Used Service Department)

4.4
(250 reviews)
Verified

As the area's premier GMC dealership, their service department offers factory-trained technicians, genuine GM parts, and direct access to the latest technical service bulletins and diagnostic software. This is the top choice for warranty work, complex Denali electronics, and advanced diagnostics that require proprietary GM tools.

780 Route 72, Manahawkin, NJ 08050 (Approx. 12 miles from Chatsworth)

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Towing package maintenance

Business Information

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

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

** The GMC repair market in the Chatsworth, NJ area is characterized by a mix of highly specialized independent shops and a regional dealership. Due to the rural nature of the Pinelands and the popularity of trucks for both work and recreation, the average quality of specialized service is notably high. Independent shops like Brown's Automotive and Pine Barrens 4WD compete not on price but on deep, niche expertise—particularly in diesel performance and 4WD systems—often attracting customers from a wide radius. The dealership (Pine Belt) provides the official manufacturer-backed service but is located a short drive away. Competition is healthy but not saturated, with a clear distinction between general mechanics and true specialists. Typical pricing reflects this specialization; independent experts command premium labor rates comparable to, and sometimes exceeding, the dealership, justified by their focused expertise. Customers in this market are typically well-informed and value technical proficiency and reliability over cost, especially for critical systems like diesel engines and 4WD.

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 Chatsworth regulations and climate