The Best GMC Repair in Maquon, IL

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

#1

A & M Diesel & Auto Repair

4.8
(180 reviews)
Verified

A & M is widely regarded as the premier diesel and heavy-duty specialist in the region. They have built a formidable reputation for their deep technical knowledge of Duramax engines and Allison transmissions. They are a top choice for GMC owners, particularly those with 2500/3500 series trucks, for complex diagnostics, performance work, and transmission rebuilds. Their service is highly personalized and trusted by local contractors and farmers.

1585 W Main St, Knoxville, IL 61448 (Approx. 8 miles from Maquon)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Galesburg GM Center

4.3
(250 reviews)
Verified

As the primary authorized GM dealership in the area, Galesburg GM Center offers the highest level of factory-specific training, tools, and original parts. They are the definitive source for warranty work, complex electronics, and diagnosing issues with Denali luxury features and factory-installed towing packages. Their technicians are GM-certified and have direct access to the latest technical service bulletins.

200 W Main St, Galesburg, IL 61401 (Approx. 12 miles from Maquon)

Specialties & Features

Denali luxury features and electronics
Towing package maintenance
EcoTec engine diagnostics

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#3

Knoxville Service Center

4.6
(120 reviews)
Verified

A well-established, full-service automotive shop known for its honest diagnostics and dependable work on a wide range of vehicles, including GMC trucks. They have specific expertise in 4WD system service, routine maintenance of towing systems, and suspension work on both light-duty and heavy-duty platforms. They are a excellent local alternative for non-warranty general repair and maintenance.

301 S Public Sq, Knoxville, IL 61448 (Approx. 8 miles from Maquon)

Specialties & Features

4WD and towing system service
General GMC maintenance
Suspension and brake repair

Business Information

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

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

** The GMC repair market servicing Maquon, IL, is characterized by its reliance on businesses in neighboring population centers, primarily Knoxville and Galesburg. There are no dedicated GMC or diesel specialty shops within Maquon's village limits itself. The competition is moderate but specialized, with a clear division of expertise. * **Average Quality:** The quality is generally high, with several long-standing, family-owned businesses that have built strong local reputations over decades. Customers expect and receive personalized service. * **Competition Level:** The market is not oversaturated. Customers choose between the factory-backed expertise and higher costs of the Galesburg dealership versus the specialized, often more affordable, and highly-rated independent shops in Knoxville like A & M Diesel. * **Typical Pricing:** Pricing follows the standard model, with the dealership (Galesburg GM Center) commanding a premium for OEM parts and labor. Independent specialists (A & M Diesel, Knoxville Service Center) typically offer more competitive labor rates, making them a popular choice for out-of-warranty vehicles and specialized diesel work. For major services like an Allison transmission overhaul or Duramax injector replacement, quotes can vary significantly, so obtaining estimates from both types of providers is recommended.

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 Maquon regulations and climate