The Best GMC Repair in Waltham, MN

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

#1

Louie's Diesel & Auto Repair

4.8
(240 reviews)
Verified

Widely regarded as the top-tier diesel and transmission specialist in Southeastern Minnesota. Louie's has built its reputation on deep technical expertise, particularly with Duramax diesel engines and Allison transmissions. They are a go-to for complex diagnostics, performance work, and heavy-duty repairs for customers who rely on their trucks for towing and farming. Their service is highly personalized and trusted by a large local clientele.

2015 14th St NW, Rochester, MN 55901

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Certified Auto Repair & Service

4.7
(180 reviews)
Verified

A highly reputable, family-owned shop known for its comprehensive diagnostic capabilities and ethical service. While they service all makes and models, they have multiple ASE Master Certified technicians with specific experience on GM vehicles. They excel at electrical system diagnostics, making them a strong choice for issues with Denali luxury features, electronics, and integrated towing systems.

812 7th St SW, Rochester, MN 55902

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
Towing package maintenance

Business Information

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

Rudy's Service Center

4.6
(150 reviews)
Verified

A well-established local shop with a long history of serving the Rochester area. Rudy's is known for honest assessments and quality workmanship. They have specific expertise in 4WD system service and general powertrain maintenance for GMC trucks and SUVs. They are a reliable choice for routine maintenance, suspension work, and addressing common issues with GM's newer 10-speed transmissions.

1925 2nd St SW, Rochester, MN 55902

Specialties & Features

4WD and towing system service
Transmission repair (Allison
10-speed)
General GMC maintenance

Business Information

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

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

** The GMC repair market serving Waltham, MN, is characterized by a reliance on providers in larger neighboring cities, primarily Rochester. There is no significant competition within Waltham itself. The market in Rochester is mature and competitive, with a clear stratification of specialists. * **Average Quality:** The average quality of shops claiming to service GMC vehicles is good, but true expertise in the specialized areas you listed (Duramax, Allison, advanced electronics) is concentrated among a handful of top-tier providers, like those listed above. * **Competition Level:** Competition is strong, which benefits the consumer. Shops differentiate themselves through specialized certifications (ASE, specific manufacturer training), investment in proprietary diagnostic tools (especially for GM electronics), and niche reputations (e.g., Louie's for diesel performance). * **Typical Pricing:** Pricing is in line with regional averages. General maintenance and repair labor rates typically range from **$120 - $150 per hour**. Specialized diesel and transmission work commands a premium, often **$150 - $180+ per hour**, reflecting the higher skill level and equipment required. Dealerships are generally at the highest end of this spectrum, while independent specialists often provide better value for complex mechanical work.

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 Waltham regulations and climate