The Best GMC Repair in Seymour, IN

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

#1

Tom O'Brien GM Seymour

4.4
(180 reviews)
Verified

As the primary General Motors dealership in Seymour, this facility is the most equipped for comprehensive GMC service. It features factory-trained technicians, direct access to GM diagnostic tools and parts, and a state-of-the-art service bay. It is the definitive choice for warranty work, complex electronics, and the latest model-year repairs.

2100 E Tipton St, Seymour, IN 47274

Specialties & Features

Duramax diesel service
Denali electronics and features
Allison transmission repair

Business Information

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

Seymour Auto Tech

4.7
(90 reviews)
Verified

A highly-rated independent shop known for its expertise with American trucks and SUVs. Reviews frequently highlight their honest diagnostics, quality workmanship on engines and transmissions, and personalized service. They are a strong alternative to the dealership for owners of older or out-of-warranty GMC vehicles.

112 S Commerce Dr, Seymour, IN 47274

Specialties & Features

EcoTec engine diagnostics
4WD and towing system service
heavy-duty suspension

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

T & J Service Center

4.5
(70 reviews)
Verified

A well-established, family-oriented service center with a reputation for reliability and tackling complex mechanical jobs. They have built a loyal local customer base by providing dependable service on a wide range of vehicles, with a noted proficiency in truck and SUV repair, including drivetrain and transmission work relevant to GMC owners.

101 S Chestnut St, Seymour, IN 47274

Specialties & Features

Transmission repair
diesel engine service
towing package maintenance

Business Information

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

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

** The GMC repair market in Seymour, Indiana, is characteristic of a mid-sized Midwestern city. The market is not oversaturated with specialists but offers a clear hierarchy of service options. At the top is the authorized dealership (**Tom O'Brien GM**), which provides the highest level of brand-specific technical support, equipment, and parts for newer and more complex vehicles, particularly Denali trims and diesel models. This comes with a premium price point. The independent shop market is robust, with several long-standing businesses like **Seymour Auto Tech** and **T & J Service Center** offering high-quality, often more personalized service at a competitive price. These independents excel with mechanical systems (engines, transmissions, suspension) and are the go-to for many owners of older or high-mileage GMC trucks. The average quality of service is high, as evidenced by strong review scores across the board, reflecting a local culture that values dependable auto repair. Competition is healthy but not cutthroat, focusing on reputation and long-term customer relationships rather than price alone. Typical pricing follows the standard model: dealership labor rates are highest, followed by certified independents, with general mechanics being the most budget-friendly. For GMC owners, the choice often comes down to the specific repair needed and the vehicle's warranty status.

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 Seymour regulations and climate