The Best GMC Repair in Port Richey, FL

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

#1

Stohlman Automotive & Diesel

4.8
(280 reviews)
Verified

A highly reputable, family-owned service center that explicitly advertises expertise in both domestic and diesel vehicles. They are known for their technical proficiency with complex engine and transmission systems and have built a strong reputation for honest diagnostics and quality workmanship, particularly on HD trucks and SUVs.

10945 US Hwy 19, Port Richey, FL 34668

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

A-1 Pro Transmission & Auto Repair

4.7
(190 reviews)
Verified

While "Transmission" is in their name, this shop has a broad and deep capability for full automotive repair, with numerous reviews specifically praising their work on GM trucks and SUVs. They are a go-to for complex transmission and drivetrain issues, including the 10-speed and 4WD systems common in newer GMCs.

9421 US Hwy 19, Port Richey, FL 34668

Specialties & Features

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

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

German & Domestic Auto Service

4.6
(160 reviews)
Verified

This shop positions itself as a technical specialist for both European and Domestic vehicles, which often requires a higher level of diagnostic capability for advanced electronics. This makes them a strong candidate for diagnosing intricate issues with Denali luxury features, infotainment systems, and complex engine management systems on GMC vehicles.

9512 US Hwy 19, Port Richey, FL 34668

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
Towing package maintenance

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Port Richey

** The GMC repair market in Port Richey is competitive but stratified. The majority of service providers are general repair shops capable of handling basic maintenance and common issues on GM vehicles. However, the segment for true *specialists*—those equipped for Duramax diesel repair, Allison transmission overhaul, and advanced Denali electronics—is much narrower. The top shops distinguish themselves through significant investment in proprietary diagnostic tools (such as GM MDI and GDS/SPS software), technician training (ASE and GM-specific certifications), and direct relationships with parts suppliers. Pricing reflects this specialization. While general maintenance is competitively priced, complex diesel injection repair or transmission rebuilds will command a premium due to the required expertise, specialized tooling, and cost of OEM-quality parts. Customers with HD trucks and Denali models are advised to seek out these specialists despite potentially higher labor rates, as the correct diagnosis and repair often save money and prevent further damage in the long run. The presence of several dedicated diesel and transmission shops in the area provides GMC owners with viable, often more personalized, alternatives to the dealership service department.

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 Port Richey regulations and climate