The Best GMC Repair in Simsbury, CT

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

#1

The GMC Truck & Diesel Specialists

4.8
(210 reviews)
Verified

A highly specialized shop exclusively focused on GM trucks and SUVs. They are known for their deep technical knowledge, particularly with complex Duramax and Allison systems. They operate a state-of-the-art facility with the latest diagnostic equipment and are a preferred vendor for local towing companies and contractors.

534 Hopmeadow St, Simsbury, CT 06070

Specialties & Features

Duramax diesel performance tuning
Allison transmission rebuilds
heavy-duty suspension lifts

Business Information

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

Avon Auto & Truck Repair

4.6
(175 reviews)
Verified

A long-standing, family-owned business with an excellent reputation for honesty and comprehensive service. While they service multiple brands, they have dedicated GM-certified technicians and a strong focus on the full range of GMC services, from EcoTec engine diagnostics in Acadias and Sierras to Denali electronics and towing system repairs.

395 W Main St, Avon, CT 06001

Specialties & Features

EcoTec engine diagnostics
towing package maintenance
Denali electronics service

Business Information

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

Granby Automotive & Diesel

4.4
(90 reviews)
Verified

A robust, full-service shop known for handling heavy-duty jobs. They have a strong reputation for 4WD system service, differential work, and repairing trucks used for serious towing and plowing. Their technicians are proficient in both gas and diesel powertrains common to GMC vehicles.

45 Hartford Ave, Granby, CT 06035

Specialties & Features

4WD system service
heavy-duty truck suspension
diesel engine service

Business Information

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

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

** The GMC repair market in the Simsbury area is characterized by a mix of high-quality independent specialists and larger dealerships further away in Hartford. The independents, like those listed, compete effectively on specialized expertise, personalized service, and often, more competitive pricing. * **Average Quality:** The quality is generally high, with several shops boasting ASE and manufacturer-specific certified technicians. The presence of demanding clientele in the Farmington Valley necessitates a high standard of work. * **Competition Level:** Moderate. There are a handful of top-tier specialists that dominate the market for complex GMC repairs, creating a healthy competitive environment that benefits consumers. * **Typical Pricing:** Labor rates are premium, typically ranging from **$130 - $175 per hour**, reflecting the advanced technical skills and diagnostic equipment required. Specialized diesel and transmission work commands the higher end of this range. Customers can expect to pay a significant premium over general auto repair, but less than a dealership for comparable service.

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 Simsbury regulations and climate