The Best GMC Repair in Demopolis, AL

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

#1

Demopolis Automotive & Diesel Service

4.7
(180 reviews)
Verified

A cornerstone of the Demopolis automotive community, this full-service shop is widely regarded as the most capable facility for complex diesel and transmission work in the area. They are known for their experienced technicians who handle everything from routine maintenance on 1500-series trucks to major engine overhauls on heavy-duty Duramax models.

1201 US Hwy 80 E, Demopolis, AL 36732

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#2

Marengo Transmission & 4x4

4.5
(95 reviews)
Verified

As the name implies, this provider focuses specifically on the complex drivetrain and powertrain systems critical to GMC trucks. They are the local go-to for Allison transmission rebuilds, 4WD system diagnostics, and differential service, making them an excellent choice for owners of Sierra HDs or trucks used for serious towing.

508 N Walnut Ave, Demopolis, AL 36732

Specialties & Features

Allison transmission repair
4WD diagnostics
Towing package maintenance

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Pro-Care Auto Service

4.3
(120 reviews)
Verified

Pro-Care is known for its reliable and thorough service on a wide range of vehicles, with a strong reputation for modern engine diagnostics and electrical systems. They are a strong choice for GMC owners needing work on EcoTec engines, Denali infotainment systems, and advanced driver-assistance features, in addition to general maintenance.

801 US Hwy 80 W, Demopolis, AL 36732

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
General GMC maintenance

Business Information

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

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

** The GMC repair market in Demopolis is a reflection of its surrounding agricultural and industrial economy. The demand is high for competent service on heavy-duty, diesel, and 4WD trucks. The competition level is moderate, with a handful of established, reputable shops dominating the market rather than a high volume of competitors. There is no GMC dealership in the city (the nearest is in Tuscaloosa or Meridian, MS), which has allowed these independent shops to develop and maintain deep, specialized expertise. The average quality of service is considered high for a rural market, as these shops have built their reputations on serving a loyal customer base that depends on their trucks for work and daily life. Typical pricing is competitive and often more affordable than dealership rates, but top-tier specialists like those listed above command fair prices for their expertise, especially for complex diesel and transmission work. Customers generally report high satisfaction with the personalized service and deep institutional knowledge found at these local businesses.

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 Demopolis regulations and climate