Top 3 GMC Repair Shops in Antioch

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

#1

Graham Automotive & Diesel

4.8
(180 reviews)
Verified

Widely regarded as the premier shop in the area for diesel and transmission work. Graham Automotive has built a stellar reputation for tackling complex diagnostics and repairs on domestic trucks, with a significant portion of their business dedicated to GMC and Chevy platforms. They are known for their technical expertise, particularly with Duramax engines and Allison transmissions, and are a trusted name for heavy-duty towing and suspension services.

505 IL-173, Antioch, IL 60002

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Antioch Auto Care Inc.

4.7
(250 reviews)
Verified

A long-standing, family-owned repair shop with a strong local presence and excellent reputation for comprehensive automotive care. While they service all makes and models, they have demonstrated consistent expertise with GM vehicles. Their reviews frequently highlight successful repairs on engine diagnostics (including EcoTec), transmission services, and 4WD systems, making them a reliable and highly-trusted generalist with specific GMC competency.

510 Orchard St, Antioch, IL 60002

Specialties & Features

EcoTec engine diagnostics
4WD system service
Transmission repair

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

A-1 Complete Auto Care

4.5
(90 reviews)
Verified

A well-established local shop known for its honest diagnostics and quality workmanship. A-1 Complete Auto Care receives consistent praise for its electrical and electronic diagnostics, which is crucial for servicing Denali trim levels and modern towing packages. They offer a broad range of services and have the capability to handle many of the specialized needs of GMC owners, from routine maintenance to more complex system repairs.

510 Picnic Ave, Antioch, IL 60002

Specialties & Features

Denali electronics and features
Towing package maintenance
General GMC service

Business Information

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

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

** The GMC repair market in Antioch, Illinois, is characterized by a handful of highly reputable, independent shops that have earned strong community trust over many years, rather than a high volume of specialized competitors. There is no standalone GMC dealership within Antioch, which places the responsibility of servicing these vehicles squarely on independent auto care centers. The overall average quality of shops that work on GMCs is good, with several providers demonstrating deep, platform-specific expertise, particularly in diesel and transmission systems. Competition is moderate but quality-focused. The top shops are not competing on price alone but on reputation, reliability, and technical capability. This is reflected in the pricing, which is typically in line with regional averages for specialized mechanical work—neither the cheapest nor the most expensive. For standard services on EcoTec engines or basic maintenance, pricing is competitive. However, for specialized work on Duramax engines or Allison transmissions, customers should expect premium pricing commensurate with the required expertise, diagnostic time, and parts cost. For the most complex electronic or dealer-specific programming issues, owners of high-end Denali models may still find a need to visit a franchised GMC dealer outside the immediate area.

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 Antioch regulations and climate