The Best GMC Repair in Port Chester, NY

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

#1

Premier Auto & Performance

4.8
(240 reviews)
Verified

Widely regarded as the top-tier independent shop in the area for GM vehicles. They have built a strong reputation for tackling complex diagnostics and repairs on modern GMC trucks, from Duramax diesel performance tuning to intricate electronic issues on Denali models. Their technicians have prior experience at dealerships, bringing factory-level knowledge to an independent shop setting.

17 Adee St, Port Chester, NY 10573

Specialties & Features

Duramax diesel service
Denali electronics
diagnostics
Allison transmission repair

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Mavis Discount Tire & Auto Service

4.3
(180 reviews)
Verified

A well-established national chain with a strong local presence. While not a specialist in the purest sense, this particular location has several ASE-certified mechanics with proven experience in GM drivetrains. They are a reliable and more affordable option for routine GMC service, transmission fluid services, suspension work, and towing package maintenance. Their strength lies in consistency and widespread availability of parts.

30 S Regent St, Port Chester, NY 10573

Specialties & Features

Transmission service
repair
4WD
suspension service
EcoTec engine diagnostics

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

Rye Shell & Auto Repair

4.7
(150 reviews)
Verified

Located just minutes from Port Chester in the neighboring city of Rye, this family-owned shop has served the community for over two decades. They have deep expertise in American trucks and SUVs. They are highly recommended for their honest diagnostics, especially with EcoTec engines and general drivability concerns. They also handle heavy-duty suspension and brake work commonly needed on GMC Sierras and Yukons.

45 Purdy Ave, Rye, NY 10580

Specialties & Features

EcoTec engine diagnostics
Heavy-duty truck suspension
Towing package maintenance

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Port Chester

The GMC repair market in and around Port Chester is competitive but segmented. The village itself has a mix of national chains (like Mavis) and a few highly specialized independent shops (like Premier Auto & Performance). For complex, brand-specific issues—particularly with Duramax diesel, Allison transmissions, or Denali luxury features—residents often rely on the specialized independents or travel to the nearest GMC dealerships located in White Plains or Stamford, CT. The average quality of service is high, reflecting the affluence and high expectations of the Westchester County market. Pricing is typically above the national average, with labor rates for specialists ranging from $130-$180/hour. Competition is strong enough to ensure quality but not so saturated that prices are driven down, meaning customers pay a premium for proven expertise. For routine maintenance, chains provide cost-effective options, but for the specialized services you've listed, the independent specialists command the market and justify their higher rates with superior technical knowledge and service quality.

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 Port Chester regulations and climate