The Best GMC Repair in Dallastown, PA

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

#1

Stetler Diesel & Auto Repair

4.8
(240 reviews)
Verified

A highly regarded, family-owned shop known for its deep expertise in diesel performance and repair. They are the go-to specialists in the region for complex Duramax engine diagnostics, performance tuning, and transmission work. They service a large number of heavy-duty GMC Sierras and are well-versed in their 4WD and towing systems.

4950 Carlisle Rd, Dover, PA 17315 (Approx. 15 min from Dallastown)

Specialties & Features

Duramax diesel service
performance
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

C & R Auto Service Inc.

4.7
(180 reviews)
Verified

A longstanding, reputable full-service garage with specific, recognized expertise in GM vehicles. They have multiple ASE and GM-specific trained technicians. They excel at general EcoTec engine diagnostics, transmission service, and electrical systems, making them a strong choice for Denali models and their luxury features.

25 N Ridge Ave, York, PA 17404 (Approx. 20 min from Dallastown)

Specialties & Features

EcoTec engine diagnostics
Transmission service
Denali electronics
comfort systems

Business Information

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

J & M Transmission & Auto Repair

4.6
(150 reviews)
Verified

While transmission repair is their namesake, this shop has built a strong reputation for comprehensive drivetrain and 4WD service on trucks and SUVs. They are particularly adept with the Allison transmission series and the complex 4WD systems found in GMC trucks. They also handle routine towing package maintenance and inspections.

454 S Salem Church Rd, York, PA 17404 (Approx. 15 min from Dallastown)

Specialties & Features

Allison transmission repair
4WD system service
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 Dallastown

** The GMC repair market servicing Dallastown is characterized by high-quality independent shops located in the surrounding York and Dover areas, as the borough itself lacks dedicated GMC specialists. Competition is strong among these top-tier independents, who compete directly with the primary local dealership. The average quality of specialized service is high, with several shops boasting master ASE and manufacturer-specific certifications. These specialists typically command premium pricing compared to general mechanics, reflecting their advanced training, proprietary diagnostic tools, and focus on complex systems like diesel engines and modern electronics. For routine maintenance, owners have more options, but for the specialized services listed (Duramax, Allison, 4WD), the market consolidates around a handful of highly reputable providers like those listed above.

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 Dallastown regulations and climate