The Best GMC Repair in Gas City, IN

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

#1

Stellar Diesel & Turbo

4.8
(180 reviews)
Verified

Widely recognized as the premier diesel specialist in Grant County. Stellar Diesel focuses almost exclusively on diesel powertrains, making them the top choice for complex Duramax diagnostics, performance issues, and turbocharger service. Their technicians have advanced training and use specialized diagnostic equipment.

2421 W 2nd St, Marion, IN 46952

Specialties & Features

Duramax diesel service
Allison transmission repair
Diesel performance tuning

Business Information

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

Marion Truck & Auto Repair

4.6
(220 reviews)
Verified

A full-service shop with a strong reputation for handling both light-duty and heavy-duty GM trucks. They are known for their comprehensive service approach, tackling everything from EcoTec engine diagnostics on smaller SUVs to suspension work and towing package maintenance on 2500/3500 series trucks.

1702 N Baldwin Ave, Marion, IN 46952

Specialties & Features

Heavy-duty truck suspension
EcoTec engine diagnostics
Towing package maintenance

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Grant County Automotive

4.4
(150 reviews)
Verified

A well-established, family-owned shop known for its honest service and broad technical capability. They are a strong all-around choice for GMC owners, with particular praise in customer reviews for their electrical system diagnostics and ability to service the complex infotainment and comfort features found in Denali models.

1015 E 4th St, Marion, IN 46953

Specialties & Features

Denali luxury features and electronics
4WD service
General GMC maintenance
repair

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Gas City

** The GMC repair market serving Gas City, Indiana, is characterized by a handful of highly competent, independent shops located primarily in the neighboring city of Marion. Due to Gas City's small population, there are no dedicated GMC-only specialists within its city limits. The market is not saturated but is highly competitive on the basis of reputation and specialized skill sets. * **Average Quality:** The quality of service is generally high, with several shops boasting long-term reputations and ASE/Master Technician certifications. Customers expect and receive a professional level of service comparable to larger metropolitan areas. * **Competition Level:** The competition is strong among the top independent shops, each carving out a specific niche (e.g., Stellar Diesel for powertrain, Grant County Automotive for electronics). They compete less on price and more on specialized expertise, trust, and reliability. * **Typical Pricing:** Labor rates are competitive for the Midwest, typically ranging from $110-$150 per hour. Pricing for specialized diesel or transmission work is at the higher end of this scale. Overall, costs are significantly lower than at a dealership, providing excellent value for the level of expertise offered.

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 Gas City regulations and climate