Compare the highest-rated gmc repair mechanics in Harrison, New Jersey. All shops are licensed, insured, and verified through our rigorous screening process.
A long-standing, family-owned business with a stellar reputation for handling medium and heavy-duty trucks. They are renowned for their expertise in diesel engine diagnostics and repair, making them a top choice for Duramax owners. Their technicians are highly experienced with the specific demands of GMC HD series trucks.
This well-established local shop in the heart of Harrison has built a strong reputation for honest service and expertise in American brands, including GMC. They are a go-to for routine maintenance, EcoTec engine work, and electrical diagnostics on SUVs and light-duty trucks like the Acadia, Terrain, and Sierra 1500.
Located just minutes from Harrison in Newark, this modern shop bridges the gap between dealership-level diagnostics and independent shop pricing. They invest in advanced scan tools and technician training, giving them a strong capability to handle complex computer-controlled systems in newer GMC vehicles, including transmission and 4WD diagnostics.
** The GMC repair market in Harrison, NJ, is characterized by a mix of small, long-standing local garages and larger, specialized shops in the immediate industrial periphery (notably Kearny and Newark). For basic maintenance on light-duty models, several competent local options exist. However, for specialized services—particularly for Duramax diesel, heavy-duty suspension, and complex Allison transmission work—the market is dominated by a few highly reputable, established specialists in Kearny, which has a historic concentration of trucking and freight companies. Competition is strong, driving a focus on customer service and fair pricing. Typical pricing is in line with the high cost of living in Northern New Jersey. Labor rates are generally 15-25% lower than at a dealership, which is a key value proposition for these independent specialists. Shops that can demonstrate certified expertise in GMC-specific systems, especially diesel and transmissions, can command a premium due to high demand and the technical skill required.
4.7+ star average from verified customer reviews
All shops are properly licensed and insured
10+ years average experience in the industry
Familiar with Harrison regulations and climate