Top 3 GMC Repair Shops in Ray

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

#1

St. Clair Diesel & Auto Repair

4.8
(240 reviews)
Verified

Widely regarded as the premier diesel specialist in the greater St. Clair County area. While they service all brands, their expertise with GM Duramax engines and Allison transmissions is exceptional. They are equipped to handle everything from routine maintenance on 2500/3500 series trucks to complex diagnostics and performance upgrades. Their reputation is built on technical proficiency and honest service.

3575 Lapeer Rd, Port Huron, MI 48060 (Approx. 10 miles from Ray)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Ray Chevrolet Service Department

4.5
(180 reviews)
Verified

As the official GMC/Cadillac/Chevrolet dealership in the city of Ray itself, this service department has the most direct access to GM-specific tools, training, and technical bulletins. This makes them the undisputed expert for Denali luxury features, advanced electronics, EcoTec engine diagnostics, and factory towing package maintenance. They employ GM-certified master technicians.

20900 23 Mile Rd, Ray, MI 48096

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Towing package maintenance

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Shelby Truck & Auto

4.6
(190 reviews)
Verified

A highly respected independent shop with a strong focus on American trucks and SUVs. They have built a loyal customer base by providing dealership-level expertise at more competitive rates. Their technicians are skilled in 4WD system service, suspension work for both half-ton and heavy-duty models, and complex drivability issues.

15055 23 Mile Rd, Shelby Township, MI 48315 (Approx. 7 miles from Ray)

Specialties & Features

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

Business Information

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

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

** The GMC repair market in and around Ray, Michigan, is robust and competitive, reflecting the area's high ownership of trucks and SUVs. The average quality of service is high, with several established providers vying for business. The market is segmented between the convenience and OEM-backed expertise of the local dealership (Ray Chevrolet) and highly specialized independent shops (like St. Clair Diesel and Shelby Truck & Auto) that offer deep, niche expertise often at a slightly lower labor rate. **Competition Level:** High. Customers have clear choices between factory-certified and master-technician-led independent shops, which drives up service quality. **Typical Pricing:** Labor rates are competitive. Dealerships typically command a premium ($150-$170/hr), reflecting their OEM training and tools. Top-tier independents are usually slightly more affordable ($130-$150/hr) but can match or exceed dealership quality for their specific specialties. Major services like Duramax injector replacement or Allison transmission overhaul are significant investments, often ranging from $3,000 to $8,000+, making the choice of a reputable specialist critical.

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 Ray regulations and climate