Top 3 GMC Repair Shops in Phillipsburg

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

#1

Thompson's Auto & Truck Service

4.7
(180 reviews)
Verified

A long-standing, family-owned business with a stellar reputation for diagnosing and repairing complex issues on domestic trucks and SUVs. They are highly regarded for their honest assessments, quality workmanship, and expertise in both gasoline and diesel powertrains. Their technicians have deep experience with the GM lineup.

495 Marshall St, Phillipsburg, NJ 08865

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty suspension

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Stout's Auto Repair

4.5
(120 reviews)
Verified

Known for their reliable service and strong technical knowledge, Stout's is a go-to for many local GMC owners. They handle everything from routine maintenance on EcoTec engines to more complex electrical and 4WD system diagnostics. They have a strong focus on customer service and repeat business.

795 Belvidere Rd, Phillipsburg, NJ 08865

Specialties & Features

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

Business Information

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

A-1 Transmission Center

4.6
(90 reviews)
Verified

While not a general repair shop, A-1 is the premier specialist for one of the most critical and complex components on your GMC: the transmission. They are certified experts in Allison transmissions, which are paramount for Duramax trucks and heavy-duty towing. For any transmission-related issue, they are the undisputed local authority.

1251 US-22, Phillipsburg, NJ 08865

Specialties & Features

Allison transmission repair and rebuild
10-speed transmission service
Torque converter replacement

Business Information

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

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

** The GMC repair market in Phillipsburg, NJ, is characterized by a handful of highly competent independent shops rather than a high volume of dealerships or national chains. The average quality of these top-tier independents is very high, as they compete on expertise and personalized service rather than brand name alone. Competition is strong among these established local businesses, which drives a focus on customer satisfaction. For standard maintenance and minor repairs, there are several adequate options, but for the specialized services you require—particularly Duramax, Allison, and heavy-duty systems—the market narrows significantly to the experts listed above. Typical pricing is competitive with the region; expect to pay a premium for diesel and transmission specialty work, but generally at a more favorable rate than a dealership. Consumers in this market are well-served by these reputable local businesses that have built trust over decades. **Disclaimer:** While this information is based on real businesses and their advertised services, reviews, and local reputation, it is always recommended that you contact the shop directly to verify they can handle your specific vehicle's year, model, and issue before scheduling an appointment.

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 Phillipsburg regulations and climate