The Best GMC Repair in Parkersburg, IL

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

#1

Casey Automotive & Diesel Service

4.7
(180 reviews)
Verified

Located in the neighboring city of Casey, this is the closest and most highly-reputed shop specializing in diesel and transmission work. They are known for their technical expertise with heavy-duty truck systems and have a strong local reputation for honest diagnostics and quality workmanship, making them the top choice for complex GMC Duramax and Allison transmission issues.

1201 N College St, Casey, IL 62420

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Marshall Auto & Truck Repair

4.5
(110 reviews)
Verified

A well-established full-service shop in Marshall, known for handling a wide range of repairs from basic maintenance to advanced diagnostics on both domestic and import vehicles. They receive consistent praise for their work on SUV and truck systems, including 4WD and towing components common on GMC Sierra and Yukon models.

1604 S 6th St, Marshall, IL 62441

Specialties & Features

4WD and towing system service
EcoTec engine diagnostics
General GMC maintenance

Business Information

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

Sullivan Tire & Auto Center

4.3
(90 reviews)
Verified

While part of a larger regional chain, the Sullivan location maintains a local shop feel with certified technicians. They are a strong option for general GMC service, including tire and suspension work, electronic diagnostics, and routine towing package maintenance. They offer a good balance of corporate resources and local accessibility.

702 N Section St, Sullivan, IL 61951

Specialties & Features

Tire and suspension service
Denali electronics diagnostics
Towing package maintenance

Business Information

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

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

** The GMC repair market for Parkersburg residents is characterized by a reliance on service providers in neighboring, larger towns such as Casey, Marshall, and Sullivan. There is no direct competition within Parkersburg itself. The quality of service available is generally high, with several long-standing, family-owned businesses building their reputation on trust and expertise, which is critical in a rural market. The competition level is moderate within this regional ring; shops compete on reputation and specialized capabilities (like diesel repair) rather than price alone. For standard maintenance and repairs, pricing is competitive and in line with rural Midwest averages. However, for specialized services like Duramax injector replacement or Allison transmission rebuilds, pricing is premium due to the required expertise, specialized tools, and cost of OEM or high-quality aftermarket parts. Customers are advised to seek estimates for major jobs, as wait times for parts and shop availability can vary. The closest GMC dealerships are in Terre Haute, IN, or Champaign, IL, making the local independent shops the most convenient and often more personalized option for service.

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 Parkersburg regulations and climate