The Best GMC Repair in Coatesville, IN

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

#1

Hendrick Chevrolet (Service Department)

4.3
(280 reviews)
Verified

As the closest authorized GMC/Chevrolet dealership, Hendrick offers factory-trained technicians, genuine GM parts, and direct access to the latest technical service bulletins and diagnostic software. This is the premier destination for complex electrical issues, warranty work, and specialized services on Denali models, Duramax engines, and Allison transmissions.

5350 Ronald Reagan Parkway, Plainfield, IN 46168

Specialties & Features

Duramax diesel service
Denali electronics
features
Allison transmission repair

Business Information

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

Hoosier Diesel & Auto Repair

4.8
(150 reviews)
Verified

A highly-rated independent shop with a stellar reputation for expertise in diesel powertrains and heavy-duty truck systems. They are a top choice for GMC owners who prefer independent shop pricing and personalized service but require expert-level knowledge, particularly for Duramax performance, towing system maintenance, and suspension work on HD models.

8254 Corporation Drive, Indianapolis, IN 46278

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Towing package maintenance

Business Information

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

A-1 Transmission Specialists

4.6
(90 reviews)
Verified

While not a general GMC specialist, this provider fills a critical niche. They are a transmission-focused shop with specific expertise in the Allison transmissions found in GMC trucks and SUVs, as well as the newer GM 10-speed automatics. For complex transmission issues beyond a dealership's scope, they are a trusted local expert.

2102 E. Main Street, Plainfield, IN 46168

Specialties & Features

Allison transmission repair
10-speed transmission service
4WD system diagnostics

Business Information

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

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

** The GMC repair market for Coatesville residents is characterized by a reliance on service providers in neighboring commercial hubs like Plainfield and the west side of Indianapolis. There are no dedicated GMC-only specialist shops within Coatesville itself. The competition is therefore between the convenience and OEM backing of the **dealership network** (Hendrick Chevrolet) and the specialized, often more cost-effective expertise of **independent shops** in adjacent towns. **Average Quality** is high, given the proximity to major automotive corridors. **Competition Level** is moderate, with several competent shops vying for the truck and SUV service business. **Typical Pricing** follows a standard tier: dealership labor rates are the highest ($150-$180/hr), followed by specialized independents like Hoosier Diesel ($130-$160/hr), with general mechanics being lower but less equipped for GMC-specific complexities. For Coatesville GMC owners, the choice often comes down to the specific repair needed—opting for the dealership for electronics and warranty work, and trusted independents for diesel, transmission, and suspension services.

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 Coatesville regulations and climate