Top 3 GMC Repair Shops in Sedalia

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

#1

Maxton Motors

4.8
(180 reviews)
Verified

A highly reputable, family-owned auto repair shop known for its expertise in both domestic and import vehicles, with a strong focus on GM products. They are praised for their honest diagnostics, high-quality workmanship, and expertise with complex engine and transmission systems. They are a top choice for Duramax and Allison service in the area.

1500 US-62, Washington Court House, OH 43160

Specialties & Features

Duramax diesel service
Allison transmission repair
EcoTec engine diagnostics

Business Information

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

A-1 Transmission & Auto Care

4.6
(210 reviews)
Verified

While "Transmission" is in their name, this well-established shop provides comprehensive automotive care with a renowned specialty in transmission repair and rebuilds, particularly the Allison series. They also perform expert diagnostics and service on diesel engines, 4WD systems, and are a trusted name for heavy-duty truck maintenance.

1470 Coles Blvd, Washington Court House, OH 43160

Specialties & Features

Allison transmission repair
4WD and towing system service
heavy-duty truck suspension

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

London Auto & Truck Repair

4.7
(140 reviews)
Verified

This shop has built a strong reputation for servicing a wide range of vehicles, from passenger cars to heavy-duty trucks. They have multiple ASE-certified technicians and are particularly adept at handling the electrical and luxury feature complexities of GMC Denali models, in addition to standard mechanical repairs.

420 E. Center Street, London, OH 43140

Specialties & Features

Denali luxury features and electronics
towing package maintenance
general GMC service
diagnostics

Business Information

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

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

** The GMC repair market for residents of Sedalia, Ohio, is characterized by reliance on service providers in neighboring commercial hubs, primarily Washington Court House and London. As Sedalia itself lacks dedicated automotive specialty shops, the competitive landscape is defined by these established businesses in adjacent towns. The average quality of service is quite high, as these shops have built their reputations by serving a rural and semi-rural community that depends heavily on reliable trucks, including heavy-duty GMC Sierras and Denalis. Competition is healthy but not oversaturated, leading to a focus on customer service and quality work to earn repeat business and word-of-mouth referrals—the lifeblood of repair shops in this region. Typical pricing is competitive but reflects the specialized knowledge and equipment required for modern GMC trucks, especially for diesel (Duramax) and transmission (Allison) work. Hourly labor rates are generally in the **$110 - $140/hour** range. Complex diagnostics, diesel injector replacement, or transmission rebuilds represent the higher end of the cost spectrum, while standard maintenance and electrical diagnostics fall into a more moderate price bracket. Consumers are generally willing to pay a premium for proven expertise on these complex vehicle systems.

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 Sedalia regulations and climate