The Best GMC Repair in Monrovia, IN

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

#1

D & R Diesel & Auto Repair

4.8
(180 reviews)
Verified

A highly regarded, family-owned shop in nearby Martinsville that has built a stellar reputation specifically for diesel performance and repair. They are known for their deep technical expertise with Duramax engines and Allison transmissions, making them a primary destination for serious GHD (GM Heavy Duty) truck owners. They offer comprehensive diagnostics, repair, and performance upgrades.

25 S St, Martinsville, IN 46151

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

J&B Auto Service Center

4.6
(250 reviews)
Verified

A long-standing, full-service auto repair center in Mooresville with a strong reputation for honesty and quality work. While not exclusively a diesel shop, they have certified technicians with extensive experience servicing the full range of GMC vehicles, from Sierra 1500s with EcoTec engines to Denali trims with complex electronics. They are a trusted local provider for general maintenance, transmission service, and 4WD systems.

445 S Indianapolis Rd, Mooresville, IN 46158

Specialties & Features

EcoTec engine diagnostics
Transmission repair
4WD and towing system service

Business Information

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

Tom O'Brien Chrysler Dodge Jeep Ram & GM Service

4.4
(300 reviews)
Verified

Located in Martinsville, this is the closest established dealership service center to Monrovia. While a CDJR dealer, their service department is equipped with GM-trained technicians and has direct access to the latest GM diagnostic tools, software, and technical service bulletins. This makes them a strong candidate for complex electrical issues on Denali models, warranty-related work, and precise towing package module programming.

100 Morton Ave, Martinsville, IN 46151

Specialties & Features

Denali luxury features and electronics
Towing package maintenance
GM-specific diagnostics

Business Information

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

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

** The GMC repair market serving Monrovia, Indiana, is characterized by a reliance on reputable independent shops in neighboring commercial hubs like Martinsville and Mooresville, rather than within Monrovia itself. There are no dedicated GMC-only specialists, but several high-quality general repair shops and a dealership service department have developed strong sub-specialties to meet local demand. The **competition level is moderate**, with a handful of established providers dominating the reputation space. For routine maintenance, pricing is competitive with national averages. However, for specialized services like Duramax injector replacement or Allison transmission rebuilds, pricing is at a premium due to the required expertise and equipment, with specialists like D & R Diesel commanding rates reflective of their highly specialized skills. Customers generally report high satisfaction with the quality of work from the top-tier shops, though wait times for appointments can be longer during peak seasons due to high demand for these specialized services. The presence of a dealership service department provides an option for factory-level diagnostics and software updates that some independents may not be equipped to handle.

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 Monrovia regulations and climate