The Best GMC Repair in Slidell, LA

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

#1

Precision Tune Auto Care

4.7
(180 reviews)
Verified

A highly-rated, established independent shop known for its diagnostic capabilities and broad service range. While not an exclusive GM specialist, their technicians have extensive experience with American trucks and SUVs. They are praised for their honesty, detailed explanations, and ability to handle complex engine and transmission work on modern vehicles, making them a top choice for GMC owners seeking an alternative to the dealership.

150 Corporate Blvd, Slidell, LA 70458

Specialties & Features

EcoTec engine diagnostics
Allison transmission service
towing package maintenance

Business Information

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

C&M Auto and Diesel Repair

4.5
(90 reviews)
Verified

A specialized shop that explicitly advertises expertise in both diesel and gasoline engine repair. This makes them a strong contender for GMC owners with Duramax diesel pickups or SUVs, as well as those with standard EcoTec engines. They are known for tackling heavy-duty suspension work and general maintenance, positioning them as a go-to for truck-specific needs.

1417 Lindberg Dr, Slidell, LA 70458

Specialties & Features

Duramax diesel service
heavy-duty truck suspension
4WD system service

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Gerry Lane GMC (Service Department)

4.3
(250 reviews)
Verified

As the sole authorized GMC dealership in Slidell, this is the primary source for factory-trained technicians, genuine GM parts, and the latest technical service bulletins. Their service department is best equipped to handle complex electronics, Denali luxury feature repairs, and warranty work. They have the specific tools and software for all GMC models, including the latest 10-speed transmissions.

1500 Gause Blvd, Slidell, LA 70458

Specialties & Features

Denali luxury/electronics
GMC 10-speed transmission
manufacturer-certified diagnostics

Business Information

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

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

** The GMC repair market in Slidell is competitive and bifurcated. On one side, you have the authorized dealership (**Gerry Lane GMC**), which commands a premium price but offers brand-specific expertise, particularly for complex electronic and proprietary drivetrain issues. On the other side, a handful of reputable independent shops (**Precision Tune, C&M Auto**) provide high-quality service, often at a more competitive labor rate, and are particularly strong in mechanical and general system repairs (engines, transmissions, suspension). The average quality is quite high, with several shops boasting ratings above 4.3 stars. This indicates a market where customer satisfaction is a key differentiator. Pricing typically reflects this; dealership costs are at the top tier, while independents offer mid-range pricing. For specialized diesel work, **C&M Auto** stands out as a key player, filling a niche that not all general mechanics can. Consumers in Slidell have a solid range of options, from factory-direct expertise to trusted independent specialists, ensuring that most GMC service needs can be met locally with confidence.

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 Slidell regulations and climate