Top 3 GMC Repair Shops in National Stock Yards

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

#1

Cerny's Service Center Inc.

4.7
(180 reviews)
Verified

A long-standing, family-owned and operated service center with an exceptional reputation for honesty and high-quality work. They are known for tackling complex diagnostics and repairs on domestic trucks and SUVs, including the full range of GMC services from diesel engines to transmission work and electronics. Their longevity and consistent positive reviews make them a top-tier choice.

4200 N Illinois St, East St. Louis, IL 62208 (Approx. 4 miles from National Stock Yards)

Specialties & Features

Duramax diesel service
Allison transmission repair
advanced engine diagnostics

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Mungenast Metro East Collision & Service Center

4.5
(250 reviews)
Verified

While part of a larger automotive group, this facility is a premier service center equipped with factory-level tools and technicians who are specifically trained on GM products. They are the go-to for warranty work, complex electronics, and maintaining the luxury features of Denali models. Their direct affiliation with GM provides access to the latest technical service bulletins and specialized equipment.

201 S 9th St, Columbia, IL 62236 (Approx. 8 miles from National Stock Yards)

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
factory-spec towing package maintenance

Business Information

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

A-1 Truck & Auto Repair

4.3
(90 reviews)
Verified

A robust independent shop that has built a strong reputation for handling heavy-duty trucks and their specific needs. They are particularly skilled in suspension work, 4WD system service, and powertrain repairs. This is an excellent option for owners of GMC Sierra HD trucks used for heavy towing or commercial purposes who need durable, reliable repairs.

1820 Missouri Ave, East St. Louis, IL 62205 (Approx. 3 miles from National Stock Yards)

Specialties & Features

Heavy-duty truck suspension
4WD system service
driveline and towing system repair

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in National Stock Yards

** The GMC repair market directly serving National Stock Yards is virtually non-existent due to the village's small size. However, the broader Metro East St. Louis area offers a competitive and capable market. Residents are served by a mix of long-standing, reputable independent shops and larger, factory-aligned dealership service centers. **Average Quality:** The quality is bifurcated. There are exceptional, highly-rated shops like those listed above, but also a number of less-specialized general repair shops. For GMC-specific issues, especially with diesel, transmission, or electronics, seeking out a specialist is critical and well-advised. **Competition Level:** Competition is moderate among the top-tier shops. The independents compete on personalized service, price, and long-term trust, while the dealership-affiliated centers compete on factory training, warranty, and OEM parts. **Typical Pricing:** Pricing is in line with national averages for specialized automotive repair. Dealership-affiliated centers (like Mungenast) typically command a premium for labor and OEM parts. Independent specialists (like Cerny's and A-1) often offer more competitive labor rates while still providing high-quality parts. For a complex diesel engine diagnostic or transmission service, customers should expect estimates starting in the high hundreds of dollars and rising significantly for major repairs.

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 National Stock Yards regulations and climate