Top 3 GMC Repair Shops in Trenton

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

#1

Trenton Auto Care

4.8
(280 reviews)
Verified

A highly reputable, family-owned shop known for its technical expertise and honest service. They are a top-tier independent shop that invests in advanced diagnostic tools and technician training, making them a go-to for complex GMC issues, from EcoTec engine diagnostics to sophisticated Denali electronics.

1920 West Rd, Trenton, MI 48183

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
Allison transmission service

Business Information

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

Downriver Diesel & Drivetrain

4.6
(150 reviews)
Verified

As the name implies, this shop specializes in the heavy-duty segment. They are the clear experts for GMC 2500/3500 series trucks, focusing exclusively on diesel performance, transmission durability, and towing systems. They are the preferred alternative to the dealership for Duramax and Allison work.

1650 Grange Rd, Trenton, MI 48183

Specialties & Features

Duramax diesel service
Allison transmission repair
towing package maintenance

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Jim Riehl's Friendly Automotive Group - Trenton

4.4
(200 reviews)
Verified

A well-established, multi-location automotive group with a strong presence in the region. Their Trenton location offers a comprehensive service department with several ASE-certified technicians. They are a strong choice for general GMC maintenance, suspension work, and electronic diagnostics, providing a dealership-level experience.

1860 West Rd, Trenton, MI 48183

Specialties & Features

Heavy-duty truck suspension
4WD system service
general GMC maintenance
diagnostics

Business Information

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

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

** The GMC repair market in Trenton is robust, benefiting from its proximity to Detroit and a high concentration of truck owners. The average quality of service is high, with several competent general repair shops. However, the level of **competition for true specialization** is less intense. While many shops can handle basic maintenance, only a handful, like those listed above, possess the specific tooling, software, and certified expertise for complex systems like Duramax engines and Allison transmissions. Typical pricing is competitive with the broader metro Detroit area. For specialized diesel or transmission work, expect labor rates in the **$130-$170/hour** range. General maintenance and diagnostics at reputable shops typically range from **$110-$140/hour**. Consumers in this market are knowledgeable and value expertise and transparency, which is reflected in the strong online reputations of the top-tier providers.

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 Trenton regulations and climate