The Best GMC Repair in Walker, SD

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

#1

Hanson Auto & Diesel

4.7
(180 reviews)
Verified

A family-owned and operated shop renowned for its deep expertise in diesel powertrains and heavy-duty truck systems. They are a go-to for complex diagnostics on modern GMC trucks, from classic Duramax engines to the latest 10-speed transmissions. Their technicians have direct training and experience with GM products.

1420 N Minnesota Ave, Sioux Falls, SD 57104 (Approx. 60 miles from Walker)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty suspension

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

L&H Performance & Diesel

4.6
(120 reviews)
Verified

L&H has built a strong regional reputation for performance-oriented service and repair. They excel at troubleshooting and servicing the integrated systems critical to GMC owners, including 4WD transfer cases, towing system electronics, and EcoTec engine performance. They cater to both daily drivers and high-performance builds.

3400 W 57th St, Sioux Falls, SD 57108 (Approx. 60 miles from Walker)

Specialties & Features

4WD and towing system service
EcoTec engine diagnostics
Performance tuning

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Certified Auto Repair & Diesel

4.5
(90 reviews)
Verified

As the name implies, this shop emphasizes certified technicians and professional service standards. They offer a comprehensive range of services for GMC trucks, with particular strength in transmission service and general diagnostics. They are a reliable choice for Denali owners needing electrical or infotainment system support.

2601 S Shirley Ave, Sioux Falls, SD 57106 (Approx. 60 miles from Walker)

Specialties & Features

Allison transmission repair
Denali electronics
General GMC diagnostics

Business Information

Years in Business:9 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market for residents of Walker, South Dakota, is characterized by a reliance on regional service centers rather than local in-town options. Due to Walker's small size and rural nature, there are no dedicated GMC-specific repair specialists physically located within the city. The closest new vehicle dealerships (GMC or otherwise) are also located in larger cities like Sioux Falls or Mitchell. This creates a competitive and high-quality market in the surrounding areas, particularly in Sioux Falls, which acts as the primary service hub. The competition level among top-tier independent shops in Sioux Falls is moderate to high, driving a focus on quality, specialization, and customer service. Shops differentiate themselves by developing niche expertise in areas like diesel performance, transmission rebuilding, or advanced electronics. **Average Quality:** For the top-rated specialists, quality is very high, with many employing ASE and manufacturer-specific certified technicians. **Competition Level:** High in regional hubs, low locally in Walker. **Typical Pricing:** Pricing is competitive with national averages. Expect to pay $120-$160 per hour for labor at a reputable specialist. Diesel and transmission work commands a premium due to the complexity and required expertise. Customers from Walker should factor in potential travel or towing costs to Sioux Falls, which is approximately a 60-mile (one-hour) drive.

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 Walker regulations and climate