Top 3 GMC Repair Shops in Palmyra

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

#1

Blissfield Transmission & Auto Service

4.8
(180 reviews)
Verified

A highly-rated, family-owned shop with a stellar reputation for transmission work, especially on heavy-duty trucks. They are known for their expertise with Allison transmissions, which are standard in Duramax-equipped GMCs. Their technicians are also skilled in full-service diesel repair, 4WD systems, and general diagnostics, making them a top-tier choice for complex GMC issues.

420 US-223, Blissfield, MI 49228 (Approx. 7 miles from Palmyra)

Specialties & Features

Allison transmission repair
Duramax diesel service
4WD system service

Business Information

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

Monroe Auto Care

4.6
(220 reviews)
Verified

While not GMC-exclusive, this well-established full-service shop has multiple ASE and GM-specific certified technicians. They receive consistent praise for their diagnostic capabilities, particularly with modern engines like the EcoTec3, and their ability to handle everything from routine towing package maintenance to complex electrical issues found in Denali trims.

1250 N Telegraph Rd, Monroe, MI 48162 (Approx. 12 miles from Palmyra)

Specialties & Features

EcoTec engine diagnostics
towing package maintenance
Denali electronics

Business Information

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

Dundee Diesel & 4x4

4.7
(150 reviews)
Verified

As the name implies, this shop specializes in the core components that matter most to GMC truck owners. They are the local experts for diesel performance, emissions system repair, 4WD diagnostics, and heavy-duty suspension lifts or repairs. They are the go-to for owners of Sierra HD trucks who use their vehicles for serious towing and hauling.

800 Wabeline Rd, Dundee, MI 48131 (Approx. 10 miles from Palmyra)

Specialties & Features

Duramax diesel service
heavy-duty truck suspension
4WD and towing systems

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market for Palmyra residents is characterized by high-quality, specialized independent shops located in neighboring towns, rather than a high volume of competition within Palmyra itself. The local market is not saturated, which means the top-rated shops have built strong, lasting reputations through word-of-mouth and consistent results. Due to the rural and agricultural nature of Lenawee and Monroe counties, there is significant demand for expertise in diesel engines, Allison transmissions, and 4WD systems. Typical pricing is competitive but leans toward the premium end for specialized diesel and transmission work, reflecting the higher cost of parts, specialized tools, and required technician expertise. For standard maintenance and EcoTec engine service, pricing is more in line with regional averages. Owners of GMC trucks, particularly Denali and Heavy-Duty models, in this area are well-served by these specialized providers who understand the specific needs of these vehicles.

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 Palmyra regulations and climate