The Best GMC Repair in Longs, SC

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

#1

Coastal Diesel & Auto Repair

4.8
(240 reviews)
Verified

Widely regarded as the premier diesel and heavy-duty truck specialist in the Grand Strand area. They have built a formidable reputation for their technical expertise with Duramax engines and Allison transmissions. Their shop is equipped to handle everything from routine maintenance on 2500/3500 series trucks to complex diagnostics and major repairs. They are a top choice for customers who rely on their trucks for towing and commercial use.

4493 Factory Stores Blvd, North Myrtle Beach, SC 29582 (Approx. 10-15 minutes from central Longs)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Mark Sweeney Buick GMC Cadillac (Dealership Service Department)

4.4
(180 reviews)
Verified

As the area's authorized GMC dealer, their service department offers the highest level of factory-specific training, tools, and original parts. This is the definitive source for warranty work, complex electronics, and diagnostics on Denali luxury features. Their technicians are GM-certified and have direct access to the latest technical service bulletins and programming updates for all models, including the latest EcoTec3 and Duramax engines.

1401 Oak Street, Conway, SC 29526 (Approx. 20-25 minutes from central Longs)

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Factory towing package maintenance

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

A-1 Auto & Truck Repair

4.6
(90 reviews)
Verified

A well-established and highly-trusted independent shop known for its honest diagnostics and comprehensive service. While they service all makes and models, they have significant experience with domestic trucks like GMC. They are a strong alternative for general maintenance, 4WD system service, suspension work, and transmission repairs on both light-duty and heavy-duty GMC trucks, offering a personal touch often praised in customer reviews.

407 Hwy 17 North, North Myrtle Beach, SC 29582 (Approx. 10 minutes from central Longs)

Specialties & Features

4WD and towing system service
Transmission repair
General GMC maintenance

Business Information

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

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

** The GMC repair market serving Longs, SC, is characterized by a small number of highly specialized providers within the immediate area, with the highest concentration of expertise located in neighboring North Myrtle Beach and Conway. The competition is not saturated, but the quality among the top-tier shops is exceptionally high. Customers have a clear choice between the factory-backed expertise and cutting-edge technology of the dealership and the deep, engine-specific knowledge of independent specialists like Coastal Diesel. **Average Quality:** The top providers maintain very high standards, with consistent 4.4+ star ratings, reflecting a market where quality service is a key differentiator. **Competition Level:** Moderate. While there are many general auto repair shops, true specialists in GMC, particularly for diesel and heavy-duty systems, are limited. This allows the top shops to command premium pricing for their specialized skills. **Typical Pricing:** Pricing is competitive with national averages but varies by provider. Dealership labor rates are typically the highest, followed by diesel specialists, with general independent shops offering the most budget-friendly rates for non-specialized services. Customers should expect to pay a premium for Duramax and Allison transmission work, reflecting the required expertise and specialized tooling.

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 Longs regulations and climate