The Best GMC Repair in Violet, LA

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

#1

St. Bernard GM Service Center

4.5
(180 reviews)
Verified

As the area's primary General Motors dealership service department, this is the top-tier option for factory-trained technicians, genuine GM parts, and the most advanced diagnostic equipment. They are the go-to for complex electronics, warranty work, and services requiring proprietary GM software, especially on Denali models and newer vehicles with the 10-speed transmission.

8101 W St. Bernard Hwy, Arabi, LA 70032

Specialties & Features

Denali electronics
features
Allison
10-speed transmission service
GM certified diagnostics

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Treadaway's Automotive & Diesel Service

4.7
(95 reviews)
Verified

A highly reputable independent shop known for its expertise in diesel performance and repair. They are a favorite among local GMC Sierra 2500/3500 HD owners for their deep knowledge of the Duramax engine platform, from routine maintenance to complex diagnostics and performance tuning. They also handle heavy-duty suspension and towing system repairs.

200 Engineers Rd, Belle Chasse, LA 70037

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Towing package maintenance

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

Mr. Mechanic Auto Repair

4.4
(130 reviews)
Verified

A well-established, full-service independent shop with strong credentials in general GMC service. They are praised for their honest diagnostics, quality workmanship, and expertise with GM's gasoline engines, including the EcoTec series. They are a reliable and often more affordable option for 4WD service, transmission maintenance, and general repairs on GMC trucks and SUVs.

6600 St. Claude Ave, Arabi, LA 70032

Specialties & Features

EcoTec engine diagnostics
4WD system service
General GMC maintenance
repair

Business Information

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

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

** The GMC repair market serving Violet, LA, is characterized by a mix of a single, key dealership and several highly competent independent shops in the surrounding St. Bernard Parish and lower New Orleans area. Given the region's reliance on trucks for both personal and commercial use, expertise in diesel and heavy-duty systems is a common and critical strength among the top providers. **Average Quality:** The quality is generally high, with multiple shops possessing specific, deep expertise. Customers have clear choices between the OEM-backed dealership for the latest technology and several independents for specialized diesel work or cost-effective general repairs. **Competition Level:** Competition is moderate but specialized. The dealership holds a natural advantage for brand-specific issues, while independents compete on price, personalized service, and niche expertise (e.g., diesel performance). There are no GMC-exclusive shops in Violet proper, making the nearby providers in Arabi and Belle Chasse the de facto local specialists. **Typical Pricing:** Pricing follows a standard tiered structure. The dealership (St. Bernard GM) commands a premium for OEM parts and factory-certified labor. Independent specialists (Treadaway's) are competitively priced for their high-skill diesel work. Generalists (Mr. Mechanic) typically offer the most budget-friendly labor rates for routine maintenance and common 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 Violet regulations and climate