The Best GMC Repair in Monroe, CT

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

#1

C & C Automotive & Truck Repair

4.8
(240 reviews)
Verified

A highly reputable, family-owned shop known for its expertise in both domestic and import vehicles, with a strong focus on truck and SUV service. They have built a loyal customer base through transparent diagnostics, high-quality workmanship, and expertise in complex drivetrain and engine systems. They are a top choice for GMC owners in the Monroe area seeking reliable, specialized repair.

501 Main St, Monroe, CT 06468

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Monroe Auto Service

4.7
(180 reviews)
Verified

A well-established local shop with deep roots in the Monroe community. They are praised for their honest service and strong diagnostic capabilities across a wide range of vehicle systems. While a full-service garage, they have developed a significant reputation for handling the advanced electronics and mechanical systems of modern GMC trucks and SUVs, including Denali models.

401 Pepper St, Monroe, CT 06468

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
Towing package maintenance

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

The Truck Shop

4.6
(190 reviews)
Verified

Located just outside Monroe in a neighboring town, The Truck Shop is a dedicated commercial and consumer truck specialist. Their entire business model is built around servicing heavy-duty pickups and SUVs, making them an excellent fit for demanding GMC repairs. They have specific tools and training for diesel, transmission, and 4WD systems that general shops may lack.

15 Ryders Ln, Stratford, CT 06614 (Serves the Monroe area)

Specialties & Features

4WD and towing system service
Diesel engine service (Duramax)
Transmission repair (Allison
10-speed)

Business Information

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

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

** The GMC repair market in Monroe, CT, is characterized by a mix of a few highly competent local generalists and a reliance on specialized shops in neighboring towns like Stratford, Trumbull, and Shelton. The average quality of service is high, as the shops that have maintained longevity in this competitive suburban market have done so through reputation and customer trust. Competition is strong, pushing shops to invest in ongoing training, particularly for complex systems like Duramax diesel and Allison transmissions. For basic maintenance, several local options exist. However, for the specialized services requested (diesel, advanced transmission, 4WD), the market narrows significantly to the providers listed above. Typical pricing is in line with the higher cost of living in Fairfield County; expect diagnostic fees of $150-$200 and labor rates of $130-$170 per hour. Specialized diesel or transmission work will command a premium but is competitively priced compared to dealership service departments.

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 Monroe regulations and climate