The Best GMC Repair in Mount Olive, MS

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

#1

C & W Automotive & Diesel

4.7
(180 reviews)
Verified

A highly regarded, family-owned shop known for its deep expertise in both domestic diesel engines and complex electronic diagnostics. They are a top choice for GMC Duramax and Allison transmission work, with a reputation for honest diagnostics and quality workmanship on both light-duty and heavy-duty trucks.

1114 Broadway Dr, Hattiesburg, MS 39401

Specialties & Features

Duramax diesel service
Allison transmission repair
Diesel engine performance tuning

Business Information

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

Superior Automotive & Truck Repair

4.5
(120 reviews)
Verified

Specializes in a wide range of truck and SUV services, with a strong focus on drivetrain and suspension systems. They are frequently recommended for 4WD system service, towing package maintenance, and suspension work on GMC Sierra and Yukon models.

100 S 25th Ave, Hattiesburg, MS 39401

Specialties & Features

4WD and towing system service
Heavy-duty truck suspension
EcoTec engine diagnostics

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Carl B. Lott, Inc. (GMC/Cadillac Dealer)

4.3
(250 reviews)
Verified

As the local, factory-authorized GMC dealership, they are the primary source for warranty work, complex electronics, and proprietary software updates. Their master technicians have direct access to GM training, tools, and parts, making them the best-equipped for diagnosing and repairing Denali luxury features and the latest 10-speed transmissions.

3600 Hardy St, Hattiesburg, MS 39402

Specialties & Features

Denali luxury features and electronics
Factory 10-speed transmission repair
OEM parts and service

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Mount Olive

** The GMC repair market serving Mount Olive, Mississippi, is characterized by a reliance on the robust service ecosystem in neighboring Hattiesburg. Within Mount Olive itself, general automotive repair is available, but for the specialized services requested (Duramax, Allison, advanced electronics), residents consistently travel to Hattiesburg. The competition level for true GMC specialists is moderate, with a clear distinction between independent shops and the dealership. Independent shops like C & W Automotive and Superior Automotive compete on personalized service, often lower labor rates, and deep mechanical expertise. The dealership, Carl B. Lott, Inc., holds a monopoly on factory-direct services and technical resources. Typical pricing follows this structure: dealership labor rates are the highest, reflecting their overhead and factory training. The top-tier independents command rates slightly below the dealer but above general mechanics, justified by their specialized equipment and expertise. For a complex job like a Duramax injector replacement or an Allison transmission service, customers can expect a significant investment, but the quality of work from the providers listed ensures longevity and reliability.

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 Mount Olive regulations and climate