The Best GMC Repair in Six Mile, SC

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

#1

C & M Auto and Diesel Repair

4.8
(180 reviews)
Verified

A highly respected, family-owned shop known for its deep expertise in both gasoline and diesel powertrains. They are a go-to for complex diagnostics, transmission work, and heavy-duty truck service, earning a loyal local following for their honest assessments and quality workmanship.

1344 Tiger Blvd, Clemson, SC 29631 (Approx. 10 miles from Six Mile)

Specialties & Features

Duramax diesel service
Allison transmission repair
heavy-duty suspension

Business Information

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

Certified Auto Repair & Performance

4.7
(130 reviews)
Verified

This shop bridges the gap between expert OEM-level repair and performance enhancements. Their technicians are skilled in modern GMC electronics, EcoTec engine diagnostics, and towing system maintenance, making them an excellent choice for Denali models and trucks used for heavy towing.

119 Rolling Hills Rd, Easley, SC 29640 (Approx. 12 miles from Six Mile)

Specialties & Features

EcoTec engine diagnostics
towing package maintenance
Denali electronics

Business Information

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

Frank's Automotive & Transmission

4.6
(200 reviews)
Verified

With a long history in the Upstate area, Frank's has built a formidable reputation for transmission rebuilds and general automotive excellence. They are a trusted name for solving complex mechanical issues on GM trucks, including 4WD system service and Allison transmission diagnostics.

200 Rogers Dr, Easley, SC 29640 (Approx. 15 miles from Six Mile)

Specialties & Features

Allison transmission repair
4WD system service
general GMC mechanical repair

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Six Mile

** The GMC repair market serving Six Mile, SC is characterized by a strong network of independent, high-quality repair shops rather than a high-volume of dealerships or national chains within the town itself. Due to Six Mile's rural nature and proximity to Lake Hartwell, there is significant demand for expertise in diesel engines, towing systems, and 4WD services from both residents and recreational users. **Average Quality:** The quality of specialized repair is generally high, with several long-standing businesses in neighboring cities boasting excellent reputations and skilled, certified technicians. **Competition Level:** Competition is moderate but reputation-driven. The best shops are not competing on price alone but on demonstrated expertise, particularly with complex systems like the Duramax/Allison combination. Customer loyalty is a key factor. **Typical Pricing:** Pricing is competitive with regional averages. Labor rates are typically lower than at a dealership but reflect the specialized knowledge required. For complex diesel or transmission work, customers can expect premium pricing justified by the level of expertise required. It is always recommended to get a detailed estimate upfront.

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 Six Mile regulations and climate