The Best GMC Repair in Sloan, IA

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

#1

D & S Auto & Diesel Repair

4.8
(140 reviews)
Verified

A highly reputable, family-owned shop known for its expertise in both gasoline and diesel powertrains. They have built a strong reputation for honest diagnostics, quality workmanship, and specializing in American trucks, particularly GMC and Chevrolet. Their technicians are well-versed in the complexities of modern diesel systems and complex electronic modules.

1102 8th St, Onawa, IA 51040 (Approx. 15 min drive from Sloan)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Certified Auto & Truck Repair

4.6
(95 reviews)
Verified

Known for its professional service and advanced diagnostic capabilities, Certified Auto & Truck Repair handles a wide range of repairs from routine maintenance to complex engine and transmission work. They are a go-to for electrical and towing system diagnostics, making them a strong choice for Denali models with sophisticated features.

1601 S 2nd St, Denison, IA 51442 (Approx. 25 min drive from Sloan)

Specialties & Features

EcoTec engine diagnostics
Towing package maintenance
Denali luxury features and electronics

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

Ron's Service Center

4.7
(180 reviews)
Verified

A long-standing pillar of the local community, Ron's Service Center is trusted for its reliability and deep roots. While a full-service garage, they have significant experience with GM platforms, including 4WD system service, transmission work, and suspension repairs on trucks and SUVs. Their longevity speaks to a consistent record of customer satisfaction.

1401 Iowa Ave, Onawa, IA 51040 (Approx. 15 min drive from Sloan)

Specialties & Features

4WD and towing system service
Transmission repair
General GMC service and maintenance

Business Information

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

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

** The GMC repair market serving Sloan, Iowa, is characteristic of a rural Midwestern region. There are no exclusive GMC dealerships within Sloan itself, creating a market served by robust, independent auto repair shops in neighboring hubs like Onawa and Denison. The competition is moderate, with a few established providers dominating the landscape. The average quality of service is high, as these businesses survive on reputation and word-of-mouth in a tight-knit community. Typical pricing is generally more competitive than at a metropolitan-area dealership, with labor rates reflecting the local cost of living. However, for specialized services like Duramax injector replacement or Allison transmission rebuilds, pricing aligns with the technical expertise and proprietary tools required. Customers prioritize trustworthiness and proven expertise over brand-name affiliation, which is why the top independent shops have such a strong local presence. For highly complex electronic or warranty work, residents may still consider the longer drive to a franchised GMC dealer in Sioux City.

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 Sloan regulations and climate