The Best GMC Repair in Brookhaven, NY

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

#1

Major World Auto Service & Repair

4.4
(280 reviews)
Verified

A large, well-established automotive complex that includes a dedicated service and repair center. They are known for handling a wide range of vehicles, including domestic trucks and SUVs. Their size allows them to have specialized technicians for different systems, including drivetrain and diesel engines. They are a strong choice for comprehensive GMC service.

2995 Sunrise Hwy, Wantagh, NY 11793

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Diesel Performance Specialist Inc.

4.8
(95 reviews)
Verified

While located just outside the central Brookhaven area in Shirley, this shop is the premier specialist for diesel performance and repair in the region. They focus exclusively on diesel engines and related systems, making them the top-tier expert for Duramax-specific issues, performance upgrades, and complex diagnostics that general shops may not handle.

910 Montauk Hwy, Shirley, NY 11967

Specialties & Features

Duramax diesel service
EcoTec engine diagnostics
Towing package maintenance

Business Information

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

European & Domestic Car Repair

4.7
(130 reviews)
Verified

A highly-rated independent shop known for its technical expertise and high customer satisfaction. They service both European and Domestic vehicles, giving them broad diagnostic capabilities. They are particularly adept at handling the sophisticated electronics and luxury features found in GMC Denali models, as well as transmission and drivetrain services.

400 Middle Country Rd, Middle Island, NY 11953

Specialties & Features

Denali luxury features and electronics
Transmission repair (Allison
10-speed)
4WD and towing system service

Business Information

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

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

** The GMC repair market in Brookhaven, NY, is robust and competitive, reflecting the area's high ownership rates of trucks and SUVs. The market is bifurcated: * **General Service & Dealerships:** The landscape includes several large-scale service centers (like Major World) and the primary dealership, Atlantic GMC. These providers offer broad capabilities and OEM parts but can sometimes lack the niche, deep expertise for complex diesel or performance-related issues and typically command higher labor rates. * **Specialized Independent Shops:** There is a strong presence of high-quality independent shops that fill specific gaps. Shops like Diesel Performance Specialist represent the top end of specialized, expert care for critical systems like the Duramax engine. Other highly-rated independents, like European & Domestic Car Repair, compete directly with dealerships on complex electrical and transmission work, often at a more competitive price point and with more personalized service. **Average quality** is generally high, with customers expecting and receiving professional service. **Competition** is strong, which benefits consumers through competitive pricing and a drive for high customer satisfaction ratings. **Typical pricing** for specialized GMC work (e.g., Duramax injector replacement, Allison transmission service) in Brookhaven ranges from **$120-$180 per hour** for labor, with independents often at the lower end and dealerships/specialty performance shops at the higher end. Parts markup varies significantly, making it a key differentiator between providers.

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 Brookhaven regulations and climate