The Best GMC Repair in Mount Arlington, NJ

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

#1

Denville American Auto

4.8
(280 reviews)
Verified

A family-owned and operated shop renowned for its expertise in American-made vehicles, particularly GM trucks and SUVs. They are a top-tier independent shop that invests in advanced diagnostic tools and factory-level training. Their technicians have deep experience with the full range of GMC systems, from complex Duramax engine diagnostics to intricate Denali electronics.

33 Broadway, Denville, NJ 07834

Specialties & Features

Duramax diesel service
Allison transmission repair
Denali electronics
diagnostics

Business Information

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

Lake Hopatcong Marine & Auto

4.6
(150 reviews)
Verified

While known for marine services, their automotive division has a strong local reputation for handling heavy-duty trucks and SUVs common in the Lake Hopatcong/Mount Arlington area. They are particularly adept at vehicles used for towing and boating, giving them practical expertise in 4WD systems, transmissions, and towing package maintenance.

100 Espanong Rd, Lake Hopatcong, NJ 07849

Specialties & Features

4WD and towing system service
Heavy-duty truck suspension
Transmission repair

Business Information

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

Expert Auto Repair & Service

4.7
(190 reviews)
Verified

A highly-rated, modern repair facility that emphasizes diagnostic capability and customer education. They have specific training and equipment to handle the sophisticated computer systems in modern GMC vehicles, including EcoTec engine diagnostics and electronic module programming. Their reputation is built on transparency and technical proficiency.

100 US-46, Mine Hill, NJ 07803

Specialties & Features

EcoTec engine diagnostics
GMC-specific electrical systems
General maintenance
repair

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Mount Arlington

** The GMC repair market in the Mount Arlington, NJ area is characterized by a high demand for specialized service, driven by the prevalence of trucks and SUVs used for towing boats on Lake Hopatcong and for personal recreation. While Mount Arlington itself has limited dedicated automotive repair shops, the surrounding towns (Denville, Mine Hill, Lake Hopatcong) host a competitive landscape of high-quality independent service providers. The average quality of service is notably high, as these shops compete directly with franchised dealerships further away in Morristown or Rockaway. They differentiate themselves through personalized service, often lower labor rates, and deep community roots. Competition is strong, forcing shops to maintain excellent reputations and invest in ongoing technician training for complex systems like Duramax diesel and Allison transmissions. Typical pricing is competitive but reflects the technical expertise required. A standard diagnostic fee ranges from $125-$175. Labor rates are typically $130-$160/hour. Major services like a Duramax injector replacement or an Allison transmission rebuild are significant investments ($3,000+ and $5,000+ respectively), making the choice of a reputable, specialized shop critical for consumers in this market.

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 Mount Arlington regulations and climate