The Best GMC Repair in Mortons Gap, KY

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

#1

Diesel Doctor of Madisonville

4.7
(184 reviews)
Verified

A highly regarded, specialist shop focused exclusively on diesel performance, repair, and maintenance. They are the go-to experts in the region for complex Duramax engine diagnostics, performance tuning, and emissions system repairs. Their reputation is built on deep technical knowledge and solving problems that general mechanics cannot.

1255 E Center St, Madisonville, KY 42431

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Madisonville Transmission & Auto Care

4.5
(217 reviews)
Verified

A well-established, full-service auto repair center with a renowned specialty in transmission services. They are certified Allison transmission specialists and have extensive experience with GM's newer 10-speed automatics. They also handle general engine diagnostics, including EcoTec engines, and 4WD system service.

640 S Main St, Madisonville, KY 42431

Specialties & Features

Allison transmission repair
10-speed transmission service
4WD and towing system service

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Hopkins County GM Center

4.3
(289 reviews)
Verified

As the local authorized GMC dealership, this is the primary source for factory-trained technicians, genuine GM parts, and the most up-to-date technical service bulletins. They are the best option for warranty work, complex electronics, Denali luxury feature repairs, and official towing package maintenance and calibrations.

1000 Laffoon Trail, Madisonville, KY 42431

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Factory towing package maintenance

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Mortons Gap

** The GMC repair market serving Mortons Gap, Kentucky, is characterized by a reliance on the broader Madisonville area for specialized services. Within Mortons Gap itself, there are no dedicated GMC specialist shops; residents typically rely on general auto repair or must travel to Madisonville. The competition in Madisonville is robust, with a clear stratification of expertise. The dealership (Hopkins County GM Center) holds the monopoly on factory-backed services and complex electronics. Specialized independent shops like Diesel Doctor and Madisonville Transmission have carved out dominant niches in diesel/performance and transmission work, respectively, often competing favorably with the dealership on price for those specific services. General auto repair shops are abundant but lack the targeted expertise for complex GMC systems like Duramax or Allison transmissions. **Typical Pricing Tiers:** * **Dealership:** Highest labor rates ($145-$165/hr), but offers OEM parts and manufacturer-specific diagnostics. * **Specialist Independents:** Premium labor rates ($125-$150/hr) justified by their niche expertise and advanced equipment. * **General Repair Shops:** Lower labor rates ($90-$115/hr) but not recommended for the specialized services requested. For a Mortons Gap resident, the choice often comes down to the specific repair needed: the dealership for electronics and warranty, Diesel Doctor for anything diesel-related, and Madisonville Transmission for transmission and driveline issues.

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 Mortons Gap regulations and climate