Top 3 GMC Repair Shops in Bethpage

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

#1

Gallatin Diesel & Auto Repair

4.8
(240 reviews)
Verified

A highly reputable and well-established shop known for its deep expertise in diesel powertrains and heavy-duty truck systems. They are a local leader for complex diagnostics and repairs on modern Duramax engines and Allison transmissions. Their technicians are continuously trained on the latest technologies, making them a top choice for demanding GMC owners.

550 E Bledsoe St, Gallatin, TN 37066

Specialties & Features

Duramax diesel service
Allison transmission repair
heavy-duty truck suspension

Business Information

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

Precision Auto & Diesel of Portland

4.6
(180 reviews)
Verified

Serving the broader Sumner County area, Precision Auto & Diesel has built a strong reputation for comprehensive service on both gasoline and diesel GM vehicles. They excel in electrical diagnostics, which is critical for Denali trim features and towing system modules. Their customer service is frequently praised in reviews.

108 S Broadway, Portland, TN 37148

Specialties & Features

EcoTec engine diagnostics
Denali electronics
towing package maintenance

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

Gallatin Automotive

4.7
(300 reviews)
Verified

As one of the longest-standing independent shops in the area, Gallatin Automotive has a vast history of servicing GM trucks and SUVs. They offer a balanced expertise across the entire GMC lineup, from routine maintenance on EcoTec engines to complex 4WD transfer case and differential services. Their longevity speaks to consistent quality and community trust.

700 W Main St, Gallatin, TN 37066

Specialties & Features

4WD system service
transmission repair
general GMC maintenance

Business Information

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

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

** The GMC repair market in and around Bethpage, TN, is characterized by a reliance on reputable independent shops in neighboring commercial centers like Gallatin and Portland. There are no dedicated GMC-only specialists within Bethpage's immediate boundaries. The market is moderately competitive, with a few high-quality, long-standing providers dominating the landscape. These top-tier shops distinguish themselves through diesel/transmission specialization and strong community reputations rather than competing on price alone. The average quality of service is high, as these businesses survive by offering dealer-level expertise at more competitive rates. Typical pricing for specialized services (e.g., Duramax injector replacement, Allison transmission service) is in line with regional averages, generally 15-30% lower than dealership labor rates. For Bethpage residents, this means excellent service is readily available within a 15-20 minute drive, but requires traveling outside the immediate community.

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 Bethpage regulations and climate