The Best GMC Repair in Smithville, MS

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

#1

Golden Triangle GMC (Mossy Chevrolet Buick GMC)

4.5
(180 reviews)
Verified

As the area's authorized GMC dealership, this provider offers the highest level of factory-specific training, tools, and original parts. Their technicians are GM-certified and have direct access to the latest technical service bulletins and software updates, making them the premier choice for complex electronics, Denali features, and warranty work.

1800 Hwy 45 N, Columbus, MS 39705

Specialties & Features

Duramax diesel service
Denali electronics
features
Allison transmission repair

Business Information

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

Columbus Diesel Service

4.8
(95 reviews)
Verified

A highly specialized and revered independent shop focused exclusively on diesel performance and repair. They are the go-to experts for complex Duramax engine diagnostics, performance tuning, and heavy-duty towing system maintenance. Their reputation for quality work on heavy-duty trucks is exceptional.

2213 Hwy 45 N, Columbus, MS 39705

Specialties & Features

Duramax diesel service
Heavy-duty towing systems
EcoTec engine diagnostics

Business Information

Years in Business:35 years
Licensed:Yes
Insured:Yes
#3

Lewis Diesel & Auto Repair

4.6
(120 reviews)
Verified

A well-established, full-service independent shop known for its expertise in both diesel and gasoline powertrains. They offer a comprehensive service range, from routine maintenance on EcoTec engines to complex repairs on Allison transmissions and 4WD systems, often at a more competitive rate than the dealership.

200 Airpark Rd, Columbus, MS 39705

Specialties & Features

Allison transmission repair
4WD system service
General GMC maintenance
diagnostics

Business Information

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

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

** The GMC repair market serving Smithville, MS, is characterized by a need to rely on providers in larger neighboring cities, primarily Columbus, which is approximately a 25-minute drive away. Smithville itself lacks a dedicated, full-scale GMC specialist due to its small population. The market is moderately competitive within the wider region, with a clear distinction between the authorized dealership and high-quality independent shops. The dealership (Golden Triangle GMC) holds an advantage for warranty work, complex electronics, and guaranteed OEM parts. Independent shops like Columbus Diesel Service and Lewis Diesel compete effectively on specialized diesel expertise, personalized service, and often more competitive pricing for out-of-warranty vehicles. **Typical Pricing Tier:** * **Dealership:** Premium ($125 - $150+/hr labor rate) * **Specialized Independents:** Mid to High ($110 - $135/hr labor rate) For Smithville residents, this means access to quality service requires a short commute, but the options available are reputable, long-standing businesses with proven expertise in the specific GMC services required, particularly for Duramax and heavy-duty models.

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 Smithville regulations and climate