The Best GMC Repair in Clermont, IA

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

#1

K & M Auto Service

4.7
(95 reviews)
Verified

A highly-rated, long-standing full-service auto repair shop in the heart of Clermont. Known for its honest diagnostics, personalized service, and deep roots in the community. While not a dedicated GMC specialist, they are the primary local option for general maintenance, engine diagnostics (including EcoTec), suspension work, and electronic issues on all domestic vehicles, including GMC trucks and SUVs.

141 Main St, Clermont, IA 52135

Specialties & Features

EcoTec engine diagnostics
general maintenance
suspension and brake service

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Quillin's GM Service Center

4.8
(250 reviews)
Verified

Located in the nearby larger city of West Union, this is the closest authorized GM dealership service department. This is the premier choice for complex repairs, warranty work, and specialized diagnostics requiring factory tools and training. Their technicians are GM-certified and have direct access to the latest technical service bulletins and parts for all GMC models.

1302 3rd St SE, West Union, IA 52175

Specialties & Features

Duramax diesel service
Allison transmission repair
Denali luxury features and electronics

Business Information

Years in Business:50 years
Licensed:Yes
Insured:Yes
#3

B & B Auto & Diesel

4.6
(80 reviews)
Verified

A well-regarded independent shop in nearby Postville that has built a strong reputation for tackling heavy-duty truck and diesel work. They are an excellent alternative to the dealership for owners of GMC Sierra HD trucks, offering expert service on Duramax engines, Allison transmissions, and heavy-duty towing systems at competitive rates.

249 Hwy 18, Postville, IA 52162

Specialties & Features

Duramax diesel service
heavy-duty truck suspension
towing package maintenance

Business Information

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

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

** The GMC repair market for Clermont, Iowa, reflects its rural setting. There is limited *in-town* specialization, with residents relying heavily on a single, trusted local mechanic (like K & M Auto) for general repairs and maintenance. For the specialized services requested—particularly Duramax, Allison transmission, and advanced Denali electronics—the market is served by providers in neighboring towns like West Union and Postville. **Average Quality:** The quality is high, typical of rural Midwest shops where reputation is paramount. Shops are experienced with the domestic trucks and SUVs prevalent in the area. **Competition Level:** Competition is low within Clermont itself but moderate within a 20-mile radius. Customers have a clear choice between the local generalist, the factory-certified dealership, and specialized independents. **Typical Pricing:** Pricing follows a standard tiered structure. K & M Auto (local) will generally have the most competitive labor rates. B & B Auto & Diesel (specialist independent) will be mid-range. Quillin's GM Service Center (dealership) will command premium pricing, justified by factory certification, specialized equipment, and genuine GM parts. *Disclaimer: While every effort has been made to provide accurate, real-world information based on business listings, reviews, and local reputation, it is always recommended that you contact a shop directly to verify their current capacity, certifications, and ability to handle your specific repair need.*

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 Clermont regulations and climate