The Best GMC Repair in Simmesport, LA

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

#1

Moreau's Automotive & Diesel

4.7
(180 reviews)
Verified

A family-owned and operated independent shop renowned for its deep expertise in diesel performance and repair. They are the go-to local experts for complex Duramax diagnostics, performance tuning, and Allison transmission servicing. While independent, they invest in high-level diagnostic tools and training, making them a top alternative to the dealership for heavy-duty truck owners.

1205 E Oak St, Bunkie, LA 71322

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Service Chevrolet GMC

4.3
(250 reviews)
Verified

As the closest official GMC dealership, Service Chevrolet GMC is the only provider with direct access to factory-certified technicians, genuine GM parts, and the latest technical service bulletins. This is the definitive source for warranty work, complex electronics on Denali models, and factory-recalled components. Their technicians are trained specifically on the GMC brand.

1200 Macarthur Dr, Alexandria, LA 71303

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Factory towing package maintenance

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Marksville Tire & Automotive Service

4.5
(120 reviews)
Verified

A well-established full-service shop with a strong reputation for honesty and quality work on domestic trucks. They offer a comprehensive range of services and have specific experience with GMC 4WD system service, routine maintenance, and suspension work on both light-duty and heavy-duty models. A reliable choice for general maintenance and mechanical repairs.

120 Brickyard Rd, Marksville, LA 71351

Specialties & Features

4WD and towing system service
General maintenance
Tire and suspension work

Business Information

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

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

** The GMC repair market servicing Simmesport residents is characterized by its reliance on neighboring towns. Within Simmesport itself, the options are limited to very small general repair shops that lack the specialized equipment, certifications, and inventory for complex GMC-specific systems. The competitive landscape is therefore defined by providers in Bunkie, Marksville, and Alexandria. **Bunkie** offers a highly specialized independent option (Moreau's) for diesel and transmission work. **Marksville** provides reliable general truck service. For the highest level of brand-specific technical expertise, particularly for electronics and warranty, residents must travel to the dealerships in **Alexandria**. **Typical Pricing:** Pricing is competitive for the region. Independent shops like Moreau's and Marksville Tire typically offer labor rates 15-25% lower than the dealership (Service Chevrolet GMC). However, the dealership provides the assurance of factory-trained technicians and genuine parts, which can be critical for newer models and complex diagnostics. A standard oil change on a Duramax may range from $120-$180, while major transmission or engine work can easily run into the thousands, consistent with national averages for such specialized labor.

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 Simmesport regulations and climate