The Best GMC Repair in Seaford, NY

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

#1

Certified Auto Repair of Wantagh

4.8
(287 reviews)
Verified

A highly reputable, family-owned shop known for its technical expertise and honest service. They have multiple ASE Master Technicians on staff and are equipped with advanced diagnostic tools specifically for modern GM vehicles, including complex electrical and emissions systems. They are a top choice for Duramax and EcoTec engine work.

3266 Railroad Ave, Wantagh, NY 11793

Specialties & Features

Duramax diesel service
EcoTec engine diagnostics
Denali electronics
luxury features

Business Information

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

All Transmissions & Auto Repair

4.6
(174 reviews)
Verified

As the name implies, this provider specializes in transmission services but offers full-scale automotive repair. They have specific expertise and proprietary tooling for Allison transmissions, including the newer 10-speed models found in HD trucks. They are also well-regarded for their work on 4WD transfer cases and towing system components.

3940 Sunrise Hwy, Seaford, NY 11783

Specialties & Features

Allison transmission repair
4WD and towing system service
heavy-duty truck suspension

Business Information

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

Complete Auto Care of Bellmore

4.7
(212 reviews)
Verified

A comprehensive service center with a strong focus on customer service and preventative maintenance. They perform excellent general and specialized service on GMC trucks and SUVs, with particular strength in routine towing package maintenance, suspension work, and thorough diagnostic services.

2738 Merrick Rd, Bellmore, NY 11710

Specialties & Features

Towing package maintenance
heavy-duty truck suspension
general GMC service
diagnostics

Business Information

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

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

** The GMC repair market in and around Seaford, NY, is characterized by a mix of high-quality independent specialists and dealership alternatives. The average quality is quite high, as the Long Island market is competitive and demands expertise, particularly for the popular HD truck and SUV segments. Residents have a clear preference for reputable, local shops over dealerships for out-of-warranty work due to perceived better value and personalized service. Competition is strong, pushing shops to invest in specific tooling and training for complex systems like Duramax diesel engines and Allison transmissions. Typical pricing for labor is in the $125-$165/hour range, which is standard for the Nassau County area. Customers can expect to pay a premium for specialized diesel or transmission work, but the top-rated shops justify this with higher first-time fix rates and the use of high-quality parts. For Seaford residents, the most convenient and highly-skilled options are located just minutes away in Wantagh, Bellmore, and within Seaford itself.

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 Seaford regulations and climate