The Best GMC Repair in Mammoth Cave, KY

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

#1

Graham's Auto & Diesel

4.7
(180 reviews)
Verified

A highly respected, family-owned shop known for its deep expertise in both domestic and diesel engines. They are the go-to provider in the region for complex diagnostics and repair on modern GMC trucks, particularly Duramax diesel and Allison transmission systems. They have a loyal local customer base and are known for honest assessments and quality workmanship.

1105 S Dixie St, Cave City, KY 42127 (Serves the Mammoth Cave area)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Smith & Sons GMC Service

4.5
(120 reviews)
Verified

While not a dedicated repair shop, this is a long-standing, reputable general service station with a specific and well-documented reputation for excelling in GMC and Chevrolet truck service. They are particularly adept at 4WD system service, EcoTec engine diagnostics, and general towing package maintenance, making them a strong choice for Sierra and Canyon owners.

503 Mammoth Cave Rd, Cave City, KY 42127

Specialties & Features

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

Business Information

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

Bowling Green GMC (Dealership Service Department)

4.3
(250 reviews)
Verified

As the authorized GMC dealership for the region, this is the premier destination for owners of Denali models and newer trucks under warranty. Their master technicians receive factory-specific training and have direct access to the latest technical service bulletins, specialized tools, and OEM parts. They are best equipped to handle complex electronics, luxury feature repairs, and the latest 10-speed transmission service.

311 Auto Mall Dr, Bowling Green, KY 42104 (Approx. 30-minute drive from Mammoth Cave)

Specialties & Features

Denali luxury features and electronics
Factory-certified diagnostics
10-speed transmission service

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top GMC Repair Auto Repair Shops in Mammoth Cave

The GMC repair market serving Mammoth Cave, Kentucky, is characterized by a mix of highly capable local mechanics and a major dealership in a nearby urban center. Due to the rural nature of the area and the prevalence of trucks for both personal and work use, the average quality of service for domestic brands like GMC is generally good to high. **Competition Level:** Competition is moderate. There are several general auto repair shops, but true *specialists* with diesel and advanced transmission expertise are limited, giving established shops like Graham's Auto & Diesel a significant edge. The presence of the Bowling Green GMC dealership sets a high bar for factory-specific service but is geographically less convenient. **Typical Pricing:** Pricing is competitive with national averages but can vary significantly based on the provider. Dealership labor rates in Bowling Green are the highest, reflecting their specialized training and OEM part requirements. Independent specialists like Graham's typically offer rates 15-25% lower than the dealership, providing strong value for complex mechanical work. General service stations like Smith & Sons often provide the most cost-effective solution for routine maintenance and non-diesel repairs. Customers in this market are generally willing to pay for expertise, especially for critical systems like diesel engines and transmissions.

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 Mammoth Cave regulations and climate