The Best GMC Repair in White Castle, LA

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

#1

White Castle Auto Care

4.6
(85 reviews)
Verified

A long-standing, family-owned full-service garage that is the primary auto repair facility within White Castle itself. They are known for their honest diagnostics and have developed a strong local reputation for working on domestic trucks, including GMC Sierras and Yukons. While not a dedicated GMC specialist, their proximity and general expertise make them the first stop for most local residents.

44015 Highway 1, White Castle, LA 70788

Specialties & Features

EcoTec engine diagnostics
General transmission service
Suspension and brake repair

Business Information

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

Don's Truck & Auto Repair

4.7
(150 reviews)
Verified

Located in nearby Plaquemine, Don's is highly regarded throughout Iberville Parish for its expertise in diesel and transmission work. They are frequently recommended for complex issues on Duramax-equipped trucks and Allison transmissions that general mechanics may not tackle. Their technicians have specific training in heavy-duty systems.

57615 Belleview Rd, Plaquemine, LA 70764

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

T & T Automotive & Diesel Service

4.8
(240 reviews)
Verified

Based in Gonzales (a short drive down I-10), T & T is a top-tier regional specialist that explicitly advertises expertise in diesel performance, transmission repair, and 4WD systems. They are the most equipped on this list to handle advanced diagnostics for Denali electronics, performance tuning, and complex towing system repairs. They serve a wide clientele, including many GMC owners from surrounding areas like White Castle.

13373 Airline Hwy, Gonzales, LA 70737

Specialties & Features

Duramax diesel service
performance
Allison
10-speed transmission repair
4WD and towing system service

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in White Castle

** The GMC repair market in White Castle itself is characterized by a single, reputable general-purpose shop (White Castle Auto Care) that handles the majority of local day-to-day maintenance and repairs. For routine service on EcoTec engines, brakes, and suspension, they provide adequate service and convenience. However, for the specialized services you requested—particularly Duramax diesel work, advanced transmission repair, and Denali electronics—residents and business owners in White Castle consistently look to established specialists in neighboring towns like Plaquemine and Gonzales. The competition level for true GMC specialization is low within White Castle but high within the broader region, driving a focus on quality and expertise among the top providers. Pricing is competitive for rural Louisiana but aligns with specialized knowledge; expect hourly labor rates between $95-$140/hour, with diesel and transmission work commanding the higher end of that scale. For major specialized repairs, the convenience of a local provider is often weighed against the proven expertise of a regional specialist a short drive away.

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 White Castle regulations and climate