The Best GMC Repair in Saint George, KS

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

#1

B&B Service Center

4.7
(180 reviews)
Verified

A long-standing, family-owned auto repair center known for its deep roots in the community and expertise in both domestic and diesel engine repair. They are highly regarded for their honest diagnostics and ability to handle complex jobs on heavy-duty trucks, making them a top choice for GMC owners in the Flint Hills region.

1015 N 3rd St, Manhattan, KS 66502 (Approx. 15 miles from Saint George)

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
EcoTec engine diagnostics

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Certified Transmission

4.5
(90 reviews)
Verified

Part of a reputable regional chain specializing exclusively in transmission services. Their technicians are experts in the Allison transmission series found in GMC HD trucks, as well as the newer 10-speed models. They offer comprehensive diagnostics, rebuilds, and warranty-backed work.

220 S 4th St, Manhattan, KS 66502 (Approx. 15 miles from Saint George)

Specialties & Features

Allison transmission repair
10-speed transmission service
Towing package maintenance

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Superior Kia of Manhattan (Service Department - GM-trained technicians)

4.3
(250 reviews)
Verified

While a Kia dealership, their service department employs several master technicians with extensive prior experience at GM dealerships. They are well-equipped to handle advanced electronics, luxury features on Denali models, and general engine diagnostics that require OEM-level scan tools and software.

3100 Amherst Ave, Manhattan, KS 66502 (Approx. 15 miles from Saint George)

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
4WD and towing system service

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Saint George

** The GMC repair market for Saint George itself is virtually non-existent, with no dedicated GMC or diesel specialists operating solely within the city. The demand for specialized GMC repair is absorbed by the larger market in Manhattan, KS, which serves as the primary service hub for the entire region, including Saint George. The competition level in Manhattan is moderate, with a mix of dealerships, general independent shops, and a few niche specialists. The average quality of service for complex GMC systems (like Duramax or Allison) is high in this market, as the agricultural and towing needs of the area necessitate skilled technicians. Typical pricing is competitive but reflects the specialized nature of the work. For diesel and transmission services, customers should expect labor rates between $125-$175 per hour. Dealerships tend to be at the higher end of this range, while established independents like B&B may offer slightly more competitive rates while maintaining high-quality standards. For residents of Saint George, the minor inconvenience of a 20-minute drive to Manhattan is offset by the access to competent and reputable repair options.

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 Saint George regulations and climate