Top 3 GMC Repair Shops in Mackinaw

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

#1

Uftring Auto Service Center - Washington

4.7
(180 reviews)
Verified

A modern, well-equipped service center that is part of the Uftring Automall group, which includes a GMC dealership. They have the factory-trained technicians, proprietary diagnostic tools, and direct access to GM parts required for complex repairs on modern GMC vehicles, from Duramax diesels to Denali trims.

1921 Washington Rd, Washington, IL 61571

Specialties & Features

Duramax diesel service
Denali electronics
features
Allison transmission repair

Business Information

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

B & B Auto & Truck Repair

4.6
(110 reviews)
Verified

A highly reputable independent shop known for its expertise in both automotive and heavy-duty truck repair. Their technicians have strong backgrounds in diesel engines and drivetrain systems, making them a trusted choice for Duramax and Allison service outside of the dealership network.

1401 Maywood Ave, Pekin, IL 61554

Specialties & Features

Diesel engine service
Heavy-duty suspension
Transmission repair

Business Information

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

Andy's Auto Service

4.5
(90 reviews)
Verified

A well-established local shop in Pekin known for honest diagnostics and quality workmanship. While they service all makes and models, they have developed a strong reputation for handling complex engine diagnostics (including EcoTec) and transmission work on domestic trucks and SUVs, including GMC.

1201 Court St, Pekin, IL 61554

Specialties & Features

EcoTec engine diagnostics
Transmission repair
General GMC maintenance

Business Information

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

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

** The GMC repair market servicing Mackinaw, IL, is characterized by a reliance on providers in adjacent, larger cities like Washington and Pekin. There are no dedicated GMC specialists physically located within Mackinaw's village limits. The competition is moderate but features a clear hierarchy: a premier, dealership-affiliated service center (Uftring) and several high-quality independent shops. **Average Quality:** The quality is generally high, with several shops boasting long-term reputations and skilled technicians. For the most specialized work (especially on high-end Denali electronics or complex diesel emissions systems), the dealership-affiliated center holds a distinct advantage. **Competition Level:** Moderate. Customers have a few excellent choices, which helps maintain competitive pricing and service quality. The independents compete effectively on price and personalized service, while the dealership competes on OEM specialization and warranty work. **Typical Pricing:** Pricing follows a standard tiered structure. Independent shops like B & B Auto and Andy's typically charge $100-$130 per hour for labor, while the dealership-affiliated Uftring service center is in the $140-$165 per hour range. Parts markups can also be higher at the dealership, though they guarantee OEM components. For a major service like an Allison transmission rebuild or Duramax injector replacement, owners should expect costs ranging from $2,500 to $5,000+, depending on the shop and the extent of the work.

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 Mackinaw regulations and climate