The Best GMC Repair in Waddy, KY

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

#1

T & J Diesel & Auto Repair

4.8
(184 reviews)
Verified

A family-owned and operated shop renowned for its expertise in diesel performance and repair. They are the go-to specialists in the Shelby County area for complex Duramax engine diagnostics, performance tuning, and Allison transmission servicing. They have a strong reputation for handling heavy-duty trucks and their advanced towing systems.

1101 Mount Eden Rd, Shelbyville, KY 40065 (Approx. 10 miles from Waddy)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Shelbyville Transmission & Auto Care

4.6
(217 reviews)
Verified

While the name highlights transmissions, this well-established shop provides comprehensive service for all major systems in GMC trucks and SUVs. They have specific technicians trained on Allison and modern 10-speed transmissions, and they are frequently recommended for electrical diagnostics, which covers Denali features and towing package modules.

615 Main St, Shelbyville, KY 40065 (Approx. 12 miles from Waddy)

Specialties & Features

Allison/10-speed transmission repair
EcoTec engine diagnostics
Towing package maintenance

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Simpson County Auto & Diesel Repair

4.7
(132 reviews)
Verified

Located to the south of Waddy, this shop has built a strong reputation for honest service and technical competence with both gas and diesel GM vehicles. They are particularly skilled in 4WD system service and general engine diagnostics, making them a reliable choice for routine maintenance and complex repairs on Sierra and Yukon models.

1105 Bowling Green Rd, Franklin, KY 42134 (Approx. 25 miles from Waddy)

Specialties & Features

4WD and towing system service
EcoTec engine diagnostics
General GMC maintenance

Business Information

Years in Business:9 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market for the Waddy, KY area is characterized by a reliance on nearby population centers, primarily Shelbyville. As a rural community, there are no dedicated GMC or GM dealerships within Waddy itself, creating a robust market for independent, high-quality specialists. The competition level is moderate, with a handful of top-tier shops (like those listed) dominating the reputation space for specialized diesel and transmission work. The average quality of service is high among the leading independents, as they compete directly with dealerships in Louisville and Frankfort by offering more personalized service, often at a lower labor rate. Typical pricing for specialized services is competitive; expect to pay $120-$150/hour for labor. Duramax and Allison-specific repairs command a premium due to the required expertise and tooling. Customers in this area tend to be knowledgeable about their trucks and value long-term relationships with trustworthy mechanics, which rewards shops with a strong record of honesty and technical excellence.

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 Waddy regulations and climate