The Best GMC Repair in Sulphur, LA

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

#1

Courtesy GMC

4.5
(280 reviews)
Verified

As the area's authorized GMC dealership, Courtesy GMC is the premier destination for factory-level service. Their service department is staffed with GM-certified technicians who have direct access to the latest technical service bulletins, specialized tools, and genuine GM parts. They are the go-to for complex electrical issues, warranty work, and maintaining a vehicle's factory warranty.

2300 Ruth St, Sulphur, LA 70663

Specialties & Features

Denali luxury features and electronics
Allison transmission repair
EcoTec engine diagnostics

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Lee's Automotive & Diesel

4.8
(150 reviews)
Verified

A highly respected independent shop known for its deep expertise in diesel performance and repair. Lee's Automotive has built a stellar reputation for honest diagnostics and quality workmanship, particularly on Duramax diesel engines and Allison transmissions. They are a top choice for owners of heavy-duty trucks used for towing and commercial purposes.

1195 W Parish Rd, Sulphur, LA 70663

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Pitre's Auto & Truck Repair

4.6
(90 reviews)
Verified

A well-established local shop known for its comprehensive service on both gasoline and diesel vehicles. Pitre's receives consistent praise for its trustworthy service and ability to handle a wide array of repairs, from routine maintenance to complex drivability issues on GMC trucks, including 4WD systems and towing package components.

3441 Hwy 27 N, Sulphur, LA 70663

Specialties & Features

4WD and towing system service
General GMC repair and maintenance
Towing package maintenance

Business Information

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

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

** The GMC repair market in Sulphur, Louisiana, is characterized by its specialization in servicing the robust, work-oriented vehicles common in the region. The presence of the **Courtesy GMC dealership** sets a high bar for OEM-specific repairs, particularly for newer models, advanced electronics, and warranty-covered work. The competitive landscape is filled with capable independent shops like **Lee's Automotive & Diesel** and **Pitre's Auto & Truck Repair**, which have carved out strong niches by offering expert, often more personalized service at competitive labor rates. Pricing is market-competitive, with dealerships typically being 15-25% higher for labor. Customers in this market are knowledgeable and demand high-quality work, especially for critical systems like Duramax engines and Allison transmissions, leading to a generally high standard of service across the top providers. For very specialized performance or heavy-duty fabrication, residents may look toward larger metropolitan areas like Lake Charles or Lafayette, but for core repair and maintenance, Sulphur is exceptionally well-served.

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 Sulphur regulations and climate