The Best GMC Repair in Hauppauge, NY

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

#1

Smith Haven Motors

4.7
(280 reviews)
Verified

A highly reputable, family-owned service center with a long-standing presence in the area. They are particularly noted for their expertise with American trucks and SUVs. Their technicians have advanced training in diesel engine diagnostics and transmission repair, making them a go-to for complex GMC issues that general shops may avoid. They offer a welcoming customer service experience and detailed explanations of repairs.

444 Hoffman Ln, Hauppauge, NY 11788

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Hauppauge Truck & Auto Repair

4.5
(150 reviews)
Verified

This shop has built a strong local reputation for its specialized focus on light and medium-duty trucks. Reviewers frequently mention their competence with 4WD systems, towing package installations, and electrical diagnostics, which aligns perfectly with the needs of GMC Sierra and Yukon XL owners. They are known for honest assessments and competitive pricing.

225 Oser Ave, Hauppauge, NY 11788

Specialties & Features

4WD and towing system service
EcoTec engine diagnostics
Towing package maintenance

Business Information

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

Suffolk Truck Specialists

4.8
(90 reviews)
Verified

While slightly newer than the other two, this provider has rapidly gained a stellar reputation for being a true specialist. As the name implies, they focus almost exclusively on trucks, with a significant portion of their work being on GMC Sierra HD models. They are praised for their deep technical knowledge, ability to handle the most challenging diagnostics, and high-quality workmanship on everything from engine rebuilds to complex electrical issues on Denali trim levels.

521 Wheeler Rd, Hauppauge, NY 11788

Specialties & Features

Duramax diesel service
Denali luxury features and electronics
Heavy-duty truck suspension

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in Hauppauge is robust and serves a diverse clientele, from commercial fleet owners to individual consumers with high-end Denali models. The average quality is high, given the industrial nature of the area, which demands competent truck repair services. Competition is strong, pushing shops to specialize and maintain high customer service standards. * **Average Quality:** Good to Excellent. Shops that survive in this market typically have at least one ASE-certified master technician, and the top-tier specialists often have manufacturer-specific or system-specific credentials. * **Competition Level:** High. There is a mix of large dealership service departments (though not physically located in Hauppauge proper, they serve the area), major franchise chains, and highly skilled independent specialists. The independents often compete successfully by offering more personalized service, deeper expertise in specific areas like diesel, and lower labor rates than dealerships. * **Typical Pricing:** Labor rates are consistent with the broader Long Island market, typically ranging from **$130 - $180 per hour**. Specialized diesel or transmission work will be at the higher end of this scale. Independent specialists generally offer a 10-20% cost advantage over dealership service centers while providing equivalent or superior expertise for complex mechanical issues.

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 Hauppauge regulations and climate