The Best GMC Repair in New Iberia, LA

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

#1

Courtesy GMC

4.5
(180 reviews)
Verified

As the area's authorized GMC dealership, Courtesy GMC is the primary destination for factory-trained service and genuine GM parts. Their service department is equipped with the latest diagnostic tools and staffed by technicians who undergo continuous GM training. They are the most capable provider for complex electrical issues, warranty work, and recalls on all GMC models, from the Sierra 1500 to the heavy-duty 3500 Denali.

1200 E Admiral Doyle Dr, New Iberia, LA 70560

Specialties & Features

Duramax diesel service
Allison transmission repair
Denali electronics
luxury features

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

T & S Automotive & Diesel Repair

4.7
(95 reviews)
Verified

A highly reputable independent shop known for its expertise in both automotive and diesel repair. T & S Automotive receives consistent praise for its honest diagnostics, quality workmanship, and expertise with diesel engines, specifically the Duramax. They are a top alternative to the dealership for owners of heavy-duty GMC trucks, particularly for transmission service, suspension work, and general diesel maintenance.

2209 S Lewis St, New Iberia, LA 70560

Specialties & Features

Duramax diesel service
heavy-duty truck suspension
transmission repair

Business Information

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

Robichaux's Automotive

4.8
(70 reviews)
Verified

A well-established, family-oriented shop with a stellar local reputation for trustworthiness and reliable repairs. While they service all makes and models, they have significant experience with domestic trucks like GMC. Their strengths lie in general engine diagnostics (including EcoTec engines), routine maintenance of towing packages, and electrical system repairs. They are an excellent choice for non-warranty maintenance and repairs on GMC light-duty trucks and SUVs.

2209 Center St, New Iberia, LA 70560

Specialties & Features

EcoTec engine diagnostics
towing package maintenance
4WD service

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in New Iberia

** The GMC repair market in New Iberia is robust, reflecting the region's reliance on trucks for both personal and commercial use. The market is characterized by a clear hierarchy: the authorized dealership (**Courtesy GMC**) sits at the top for brand-specific, warranty, and highly complex electronic/diagnostic work, typically at a premium price point. The independent sector is strong, with a few highly specialized shops like **T & S Automotive** competing directly with the dealership on diesel and heavy-duty mechanical repairs, often at a 15-25% lower labor rate. Generalists like **Robichaux's Automotive** provide high-quality, trustworthy service for routine maintenance and common repairs. Overall competition is healthy but not oversaturated, ensuring a good standard of quality among the top-tier providers. Pricing is in line with regional averages, with dealership labor rates being the highest. For GMC owners, the key is matching the repair need with the appropriate specialist: the dealership for electronics and warranty, a diesel specialist for Duramax and Allison work, and a trusted generalist for upkeep and smaller jobs.

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 New Iberia regulations and climate