The Best GMC Repair in Holbrook, NY

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

#1

Holbrook Auto & Truck Repair

4.7
(180 reviews)
Verified

A highly reputable, family-owned shop known for its deep expertise in both domestic cars and light-duty trucks. They are frequently cited in reviews for their diagnostic capabilities, especially with complex GMC systems. Their technicians have direct experience with Duramax engines and Allison transmissions, making them a go-to for powertrain issues.

1002 Main Street, Holbrook, NY 11741

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Suffolk Performance Diesel & 4x4

4.8
(120 reviews)
Verified

This shop is the clear specialist for high-performance and heavy-duty needs. They focus exclusively on diesel engines and 4WD systems, with numerous customer testimonials praising their work on GMC Sierra 2500/3500 trucks. They offer everything from routine Duramax maintenance to complex turbo and ECU diagnostics.

845 Patchogue-Holbrook Road, Holbrook, NY 11741

Specialties & Features

Diesel engine service (Duramax)
4WD and towing system service
EcoTec engine diagnostics

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Precision Auto & Electronics of Holbrook

4.5
(90 reviews)
Verified

While skilled in general mechanical repair, this provider has carved out a niche in modern vehicle electronics and luxury features. They are the top choice for GMC Denali owners experiencing issues with infotainment systems, advanced driver-assistance features (Super Cruise, etc.), and electrical gremlins that often stump other shops.

621 Union Avenue, Holbrook, NY 11741

Specialties & Features

Denali luxury features and electronics
Towing package maintenance
Transmission repair (Allison
10-speed)

Business Information

Years in Business:9 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in Holbrook is competitive but segmented. The average quality of service is high, reflecting the community's reliance on trucks and SUVs for both personal and commercial use. However, true *specialists* for complex systems like Duramax diesel or Denali electronics are limited, with the three providers above representing the top tier. **Competition Level:** There is a high density of general auto repair shops, but only a few possess the specific tooling, software, and certified technician expertise required for advanced GMC diagnostics. This allows the specialists to command a premium. **Typical Pricing:** Labor rates are in line with the Long Island average, ranging from **$130 - $165 per hour**. Specialized diesel or electrical diagnostics will be at the higher end of this scale. Due to the complexity of the vehicles, owners should expect a higher parts and labor cost compared to standard passenger car repairs, but these costs are typically 20-30% lower than at a franchised GMC dealership for the same services.

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 Holbrook regulations and climate