The Best GMC Repair in Simpsonville, KY

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

#1

Coughlin GMC of Shelbyville

4.6
(280 reviews)
Verified

As the closest authorized GMC dealership, Coughlin is the premier destination for warranty work, complex electronics, and factory-specified repairs. Their service department features GM-trained technicians, state-of-the-art diagnostic tools, and direct access to OEM parts. They are best equipped for Denali luxury features, new-generation EcoTec3/ECOTEC3 engines, and the latest Allison and 10-speed transmissions.

115 Isaac Shelby Dr, Shelbyville, KY 40065 (Approx. 7 miles from Simpsonville)

Specialties & Features

Denali electronics
features
Allison
10-speed transmission service
GM factory warranty
recall service

Business Information

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

Diesel Specialist Inc.

4.8
(150 reviews)
Verified

A highly respected, independent shop focused exclusively on diesel performance and repair. They are the go-to experts for Duramax engines, from routine maintenance to complex diagnostics and performance upgrades. Their expertise extends to the Allison transmissions paired with these engines and the specific demands of heavy-duty towing and suspension systems.

55 Power Dr, Shelbyville, KY 40065 (Approx. 6 miles from Simpsonville)

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Towing package maintenance
diagnostics

Business Information

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

Pro Auto & Truck Repair

4.5
(90 reviews)
Verified

A well-established, full-service independent shop known for its reliable work on American trucks and SUVs. They have a strong reputation for honest diagnostics and quality repair work on a wide range of GMC systems, including transmissions, 4WD, and EcoTec engines. They are an excellent choice for non-warranty general maintenance and repair, offering a more personalized service experience.

1201 Midland Trail, Shelbyville, KY 40065 (Approx. 5 miles from Simpsonville)

Specialties & Features

EcoTec engine diagnostics
Transmission repair
4WD system service

Business Information

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

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

** The GMC repair market serving Simpsonville, KY is characterized by its reliance on the larger commercial center of Shelbyville. Simpsonville itself has general automotive repair shops, but for the specialized expertise in Duramax, Allison, and advanced GMC electronics, residents consistently look to Shelbyville providers. The competition is healthy but not oversaturated, ensuring a good standard of quality among the top contenders. **Average Quality:** The top-tier providers, like those listed, offer a very high standard of service, with independent shops often excelling in personalized care and specialized diesel work, while the dealership provides unmatched OEM expertise and warranty support. **Competition Level:** Moderate. There are several general mechanics, but only a handful possess the specific certifications, tooling, and reputation for complex GMC systems. This specialization allows the leading shops to command premium pricing. **Typical Pricing:** Pricing is competitive with the Louisville metro area. Authorized dealerships (Provider 1) typically have the highest labor rates. Specialized independents (Provider 2) command premium rates for diesel work but are often more cost-effective than the dealer for major repairs. General independents (Provider 3) usually offer the most competitive labor rates for standard maintenance and non-diesel repairs.

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 Simpsonville regulations and climate

Frequently Asked Questions

Common questions about gmc repair services in Simpsonville, KY

What are the most common GMC repairs needed by drivers in the Simpsonville, KY area?

Given the local climate and rural driving conditions, common repairs for GMC trucks and SUVs around Simpsonville include suspension components worn from country roads, brake system servicing, and addressing issues with the 5.3L V8 engines like AFM/DOD lifter failure. Seasonal temperature shifts also make battery and electrical system diagnostics frequent needs.

How can I find a reputable, specialized GMC repair shop in or near Simpsonville?

Look for shops in Simpsonville or nearby Shelbyville that employ ASE-certified technicians with specific GMC/GM training and who use professional diagnostic tools like a Tech 2 or MDI. Checking for strong local reviews, asking for recommendations at places like the Simpsonville I-64 travel plaza, and verifying they use genuine GM or OEM-quality parts are key steps.

When should I seek service for my GMC's check engine light around Simpsonville?

You should seek diagnostic service immediately if the light is flashing, indicating a severe misfire that could damage the catalytic converter, especially important for emissions compliance. For a steady light, schedule a scan soon, as it could be related to common local issues like faulty oxygen sensors or gas cap seals affected by temperature swings.

Are repair costs for GMC vehicles generally higher at dealerships versus independent shops in the Shelby County area?

Typically, independent repair shops in the Simpsonville/Shelbyville area offer lower labor rates than the Louisville-area dealerships, providing significant savings for major repairs like transmission or engine work. However, for complex computer module programming or warranty-covered recalls, a certified dealership may be necessary.

What local driving considerations in Simpsonville should influence my GMC's maintenance schedule?

The mix of heavy I-64 highway commuting, stop-and-go traffic on US 60, and rough backroads in Shelby County means you should adhere strictly to severe service maintenance intervals for oil changes, tire rotations, and brake inspections. Frequent exposure to road salt in winter also makes undercarriage washes and corrosion checks critical for longevity.