The Best GMC Repair in Montgomery, IN

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

#1

All Pro Diesel & Auto Repair

4.8
(180 reviews)
Verified

A highly-rated, independent shop known for its deep expertise in diesel performance, diagnostics, and repair. They are a go-to for complex Duramax and Allison transmission issues, offering services from routine maintenance to major overhauls and performance tuning. They have a strong reputation for technical knowledge and customer service.

102 E National Hwy, Washington, IN 47501

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Jasper Engines & Transmissions - GM Certified Service Center

4.7
(250 reviews)
Verified

While not a traditional repair shop, this facility is a global remanufacturer with a dedicated, state-of-the-art service center. They are an official GM Certified Service Center, meaning their technicians are factory-trained and have direct access to GM tools and software. This is the premier location for guaranteed engine and transmission replacements and complex diagnostics.

800 Wernsing Rd, Jasper, IN 47546

Specialties & Features

EcoTec engine diagnostics
Allison transmission repair
GM factory-certified service

Business Information

Years in Business:85 years
Licensed:Yes
Insured:Yes
#3

Montgomery Auto Repair

4.5
(90 reviews)
Verified

The primary local option within Montgomery itself. This established, full-service shop handles the general maintenance and repair needs of the community. They are proficient with GMC trucks, particularly for routine service, brake work, suspension checks, and basic diagnostics. For highly specialized diesel or transmission work, they may refer to specialists, but they are a trusted first stop for most local owners.

101 S Co Rd 50 W, Montgomery, IN 47558

Specialties & Features

4WD and towing system service
General GMC maintenance
Towing package maintenance

Business Information

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

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

** The GMC repair market in the Montgomery, Indiana area is characteristic of a rural community with a strong reliance on trucks and agricultural/industrial equipment. The local market within Montgomery proper is limited, with one primary full-service shop (**Montgomery Auto Repair**) catering to general needs. For specialized GMC services—particularly for Duramax diesel, Allison transmissions, and advanced electronics—residents typically look to providers in larger nearby hubs like **Washington (15-20 min drive)** and **Jasper (25-30 min drive)**. **Competition Level:** Moderate. While there are several general auto repair shops, true *specialists* with a focus on GMC's complex systems are fewer, creating a high-demand environment for the top-tier providers like All Pro Diesel and the Jasper GM Service Center. **Average Quality:** The quality is bifurcated. General maintenance is competently handled locally, but the bar for specialized work is set very high by the regional experts, who rival dealership-level expertise, often at a lower cost. **Typical Pricing:** Pricing is competitive with a rural advantage. Labor rates are generally lower than in major metropolitan areas. However, for specialized diesel and transmission work, expect premium pricing reflective of the required expertise and equipment, though still typically 10-20% less than a metropolitan dealership.

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 Montgomery regulations and climate