The Best GMC Repair in New Ellenton, SC

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

#1

Certified Diesel & Auto Repair

4.8
(187 reviews)
Verified

A highly regarded, family-owned shop known for its deep expertise in diesel performance and complex transmission work. They are the go-to specialists in the region for Duramax diesel service, performance tuning, and Allison transmission rebuilds. Their technicians have direct experience with heavy-duty GMC Sierra and Canyon models, including their towing and 4WD systems.

1450 Silver Bluff Rd, Aiken, SC 29803

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Aiken Auto Electric & Air Conditioning

4.6
(214 reviews)
Verified

With decades of service to the CSRA, this shop has built a formidable reputation for diagnosing and repairing complex electrical and electronic systems. They are a top choice for GMC Denali owners experiencing issues with infotainment systems, advanced driver-assistance features, and climate control. They also handle general engine diagnostics for both EcoTec and Duramax platforms.

1115 Richland Ave W, Aiken, SC 29801

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Towing package maintenance

Business Information

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

Mr. Transmission (Augusta)

4.7
(152 reviews)
Verified

As part of a nationally recognized franchise with stringent training standards, this location specializes exclusively in transmission services. They are experts in the GM 10-speed automatic and Allison transmissions found in modern GMC trucks. Their services are critical for owners experiencing shifting issues, especially those who frequently tow heavy loads.

3035 Washington Rd, Augusta, GA 30907

Specialties & Features

Allison transmission repair
10-speed transmission service
Towing system diagnostics

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market serving New Ellenton, SC, is characterized by a reliance on the larger commercial centers of Aiken, SC, and Augusta, GA. There are few, if any, dedicated GMC-only specialists within New Ellenton's city limits itself. The market is highly competitive in these surrounding areas, which benefits consumers through competitive pricing and a high standard of service quality. For general maintenance, residents have several local options, but for the specialized services requested (Duramax, Allison, Denali electronics), the market is dominated by a handful of established, reputable shops in Aiken and Augusta. **Average Quality:** The quality of specialized service is generally high, with several shops boasting Master Certified technicians, though they are not always tied to a specific brand. **Competition Level:** Moderate to high in Aiken and Augusta, with shops competing on expertise, turnaround time, and customer service rather than price alone. **Typical Pricing:** Labor rates are competitive with dealerships but often provide better value due to specialized focus. Expect to pay $120-$160 per hour for labor. Complex jobs like transmission rebuilds or diesel engine repairs represent a significant investment, often ranging from $3,000 to $7,000+, but are typically 20-30% less than dealership quotes.

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 Ellenton regulations and climate