Top 3 GMC Repair Shops in Bybee

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

#1

Newport Transmission & Auto Repair

4.7
(180 reviews)
Verified

A long-standing, family-owned business with a renowned reputation for transmission expertise, specifically the Allison series found in GMC trucks. They have expanded their services to become a full-service shop, with highly trained technicians proficient in diesel engine diagnostics, 4WD systems, and the complex electronics of Denali trims. They are a trusted name for heavy-duty truck owners in Cocke County.

1404 Cosby Hwy, Newport, TN 37821

Specialties & Features

Allison transmission repair
Duramax diesel service
4WD and towing system service

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Matheny Automotive Service Center

4.5
(150 reviews)
Verified

A well-established, modern service center known for its technical expertise and customer service. They invest in ongoing technician training and advanced diagnostic equipment, making them a strong choice for troubleshooting EcoTec engine issues, Denali luxury features, and modern 10-speed transmissions. They cater to a wide range of vehicles but have a dedicated following among domestic truck and SUV owners.

421 E Broadway St, Newport, TN 37821

Specialties & Features

EcoTec engine diagnostics
Denali electronics
10-speed transmission service

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Cosby Automotive & Diesel

4.3
(90 reviews)
Verified

Located closest to Bybee, this smaller, specialized shop focuses on the core needs of truck owners. They excel in hands-on mechanical work, particularly with diesel engine performance, heavy-duty suspension repairs, and routine towing package maintenance. They are known for their straightforward, no-nonsense approach and are a popular choice for residents in the more rural parts of the county who rely on their trucks for work and recreation.

8689 Cosby Hwy, Cosby, TN 37722

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Towing package maintenance

Business Information

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

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

** The GMC repair market serving Bybee, Tennessee, is characterized by a small number of highly capable, independent service centers rather than a high-volume, competitive metro market. Due to Bybee's rural nature and proximity to the Great Smoky Mountains, the local providers have developed expertise specifically tailored to the needs of truck and SUV owners, with a strong emphasis on 4WD systems, diesel power, and towing capacity. **Average Quality:** The quality is generally high, with shops building their reputation on long-term trust and word-of-mouth rather than extensive marketing. Technicians are typically experienced with domestic brands. **Competition Level:** Moderate. There is no GMC dealership in the immediate area (the nearest is in Sevierville or Asheville), which creates a niche for independent specialists. The top shops are not in direct, cut-throat competition but have each carved out a slightly different specialty and customer base. **Typical Pricing:** Labor rates are generally more competitive than dealership pricing but can vary. Expect to pay between $95 - $125 per hour for labor. Due to the specialized nature of diesel and transmission work, parts and diagnostic time can be significant, but customers report good value for the expertise provided. It is always recommended to request 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 Bybee regulations and climate