The Best GMC Repair in Indianapolis, IN

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

#1

Ed Martin GMC (Ed Martin Buick GMC)

4.5
(450 reviews)
Verified

As a factory-authorized dealership, Ed Martin GMC is the premier destination for factory-trained technicians, genuine GM parts, and the latest technical service bulletins. Their service department is equipped to handle everything from routine EcoTec3 maintenance to complex Duramax diesel repairs and advanced Denali electronics.

10347 E Washington St, Indianapolis, IN 46229

Specialties & Features

Denali luxury/electronics
Allison transmission service
factory towing package maintenance

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Indy Diesel Experts

4.8
(180 reviews)
Verified

A highly-rated independent shop that focuses exclusively on diesel powertrains, with a particular emphasis on GM Duramax engines and Allison transmissions. They are known for their deep technical knowledge, personalized service, and expertise in performance and heavy-duty applications, including suspension and aftermarket towing upgrades.

5525 W 84th St, Indianapolis, IN 46268

Specialties & Features

Duramax diesel service
Allison transmission repair
heavy-duty suspension

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Tom O'Brien Chrysler Dodge Jeep Ram & GM Service

4.4
(120 reviews)
Verified

While part of a CDJR dealership, this service department has built a strong reputation for its expertise with GM trucks, specifically Duramax and Allison systems. They offer a unique advantage with technicians highly skilled in both domestic brands, often dealing with complex drivetrain and 4WD systems common to both.

8907 E 96th St, Fishers, IN 46037 (Located in the immediate Indianapolis metro area)

Specialties & Features

Diesel engine service (Duramax)
4WD system service
transmission repair (Allison)

Business Information

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

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

** The GMC repair market in Indianapolis is robust and competitive, reflecting the city's strong truck culture and central logistics location. The market is broadly split between **authorized dealerships** and **specialized independent shops**. * **Average Quality:** The quality is generally high. Dealerships like Ed Martin offer the assurance of OEM parts and factory-specific training, particularly crucial for newer models with complex electronics. Independent shops often provide a more personalized experience, competitive pricing, and deep, niche expertise, especially for diesel performance and older models. * **Competition Level:** Competition is strong, which benefits the consumer. Shops must maintain high service standards to earn and retain their reputation. Specialists focusing on diesel and transmission work have a distinct market advantage over general mechanics. * **Typical Pricing:** Dealerships typically command a premium, with labor rates often 15-25% higher than independents. However, for warranty work or issues requiring proprietary GM diagnostics, they are the necessary choice. Independent specialists offer more value-focused pricing for major repairs (e.g., transmission overhaul, turbo replacement) while maintaining high-quality work. A basic service like an oil change on a 3.0L Duramax might range from $120-$180, while a complex transmission repair can easily exceed $3,500-$5,000, regardless of the provider.

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 Indianapolis regulations and climate