The Best GMC Repair in Leonville, LA

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

#1

Bourgeois Tire & Auto Service

4.7
(180 reviews)
Verified

A long-standing, family-owned full-service auto shop known for its reliable and honest service. While not a dedicated GMC dealer, they have extensive experience with American trucks and SUVs, including complex diagnostics and repair work on the models and systems you've specified. They are a trusted local name for everything from routine maintenance to major engine and transmission work.

7139 Hwy 167, Leonville, LA 70551

Specialties & Features

EcoTec engine diagnostics
Allison transmission service
4WD and towing system service

Business Information

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

Parker GMC Buick

4.4
(250 reviews)
Verified

As the official GMC dealership for the region, Parker GMC is the premier destination for factory-trained expertise. Their service department has direct access to GMC technical resources, specialized tools, and genuine GM parts. This is the optimal choice for warranty work, complex electronics, Denali luxury feature repairs, and the most current technical service bulletins for all models, including heavy-duty trucks.

1639 Crescent Ave, Opelousas, LA 70570

Specialties & Features

Denali luxury features and electronics
Duramax diesel service
GMC factory diagnostics and programming

Business Information

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

T & M Diesel & Auto Repair

4.8
(90 reviews)
Verified

A highly-rated specialist shop focused on diesel performance and repair. They have built a strong reputation for their deep expertise in Duramax engines and Allison transmissions, making them a go-to for heavy-duty GMC owners. Their services often include performance upgrades, advanced diagnostics, and repairs that general shops may not undertake, particularly on diesel fuel systems and emissions.

2918 I-49 S Service Rd, Opelousas, LA 70570

Specialties & Features

Duramax diesel service
Allison transmission repair
heavy-duty truck suspension

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market serving Leonville, Louisiana, is characterized by a hybrid of a single, highly-trusted local general repair shop and a cluster of specialized providers in neighboring Opelousas. Due to Leonville's small size, residents typically have their routine service needs met by **Bourgeois Tire & Auto Service**, which provides a high level of convenience and community trust. For more complex, brand-specific issues—especially those involving diesel engines, advanced electronics, or warranty coverage—the market naturally directs customers to **Parker GMC**, the area's franchise dealer. A notable segment of the market is served by specialized independent shops like **T & M Diesel**, which cater to owners of heavy-duty and diesel-powered trucks who seek expert-level mechanical work, sometimes with a performance orientation. Competition is healthy, which generally benefits consumers through competitive pricing and a focus on quality. Pricing tiers are clear: local general shops offer the most competitive labor rates, dealerships command a premium for factory-certified service and OEM parts, and diesel specialists fall in between, offering expert labor for complex systems at rates lower than the dealership.

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 Leonville regulations and climate