The Best GMC Repair in Mamou, LA

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

#1

Guidry's Truck & Auto Repair

4.7
(180 reviews)
Verified

A long-standing, family-owned business known for its deep roots in the community and expertise in both domestic trucks and passenger vehicles. They are highly regarded for their honest diagnostics and ability to handle everything from routine EcoTec engine service to complex Duramax and transmission work. Their technicians have extensive experience with GM platforms.

1701 W Laurel Ave, Eunice, LA 70535

Specialties & Features

Duramax diesel service
Allison transmission repair
General engine diagnostics

Business Information

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

Pitre Ford Chevrolet Chrysler Dodge Jeep Ram - Service Center

4.3
(250 reviews)
Verified

As the primary multi-brand dealership in the area, Pitre's Service Center is the most direct option for factory-trained technicians and genuine GM parts. They are equipped to handle all the specialized needs of a modern GMC, including Denali electronics, advanced towing system programming, and warranty work. Their dealership-level tools give them an edge in complex computer diagnostics.

2211 W Laurel Ave, Eunice, LA 70535

Specialties & Features

Denali luxury features and electronics
Factory towing package maintenance
Heavy-duty suspension systems

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#3

T & S Auto & Diesel Repair

4.6
(90 reviews)
Verified

A specialized shop that has built a strong reputation for tackling the toughest diesel and drivetrain jobs. They are a top choice for GMC owners with heavy-duty trucks, particularly for performance tuning, aftermarket suspension upgrades, and transmission rebuilding. They offer a more personalized service experience compared to a large dealership.

1284 W Laurel Ave, Eunice, LA 70535

Specialties & Features

Heavy-duty truck suspension
Performance diesel service
4WD and drivetrain service

Business Information

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

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

** The GMC repair market serving Mamou, LA, is characterized by its reliance on businesses in neighboring Eunice, a larger commercial hub. The market is not saturated with competition, but the existing providers are established, reputable, and have long tenures, indicating a stable and trust-based local economy. **Average Quality:** The quality of service is generally high, with shops competing on reputation and word-of-mouth rather than price alone. The presence of a major dealership (Pitre) sets a benchmark for factory-standard repairs, while independent shops like Guidry's and T & S compete with deeper mechanical specialization and often more competitive labor rates. **Competition Level:** Moderate. There are few direct "GMC-only" specialists, but several highly competent general repair and truck-focused shops that service the predominant domestic vehicle population. This creates a healthy competitive environment where shops must maintain high customer satisfaction to thrive. **Typical Pricing:** Pricing is competitive for a rural market. Dealership labor rates are at the premium end, while independent shops offer more moderate rates. For complex jobs like Duramax injector replacement or Allison transmission overhaul, prices are significant but generally lower than in major metropolitan areas. Customers are advised to get multiple estimates for major repairs.

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 Mamou regulations and climate