Top 3 GMC Repair Shops in Dublin

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

#1

Monadnock Automotive

4.8
(180 reviews)
Verified

A highly reputable, family-owned auto repair shop known for its technical expertise and exceptional customer service. They are not a dedicated GMC dealer but have master technicians with extensive experience with GM vehicles, including the complex Duramax and Allison systems. They are a top choice for owners of heavy-duty Sierra trucks and Denali models who prefer independent shop care.

54 Main St, Keene, NH 03431

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Grappone Automotive Group - Chevrolet Buick GMC Cadillac

4.5
(250 reviews)
Verified

As the regional GM dealership, Grappone offers factory-trained technicians, genuine GM parts, and direct access to the latest technical service bulletins and diagnostic software. This is the premier location for warranty work, complex electronics on Denali models, and factory-recalled repairs. Their service department is equipped to handle all GMC-specific needs.

127 Manchester St, Concord, NH 03301

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
GMC towing package maintenance

Business Information

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

The Auto Shop of Peterborough

4.6
(90 reviews)
Verified

A well-regarded independent shop located closer to Dublin than the Keene or Concord options. They have built a strong reputation for honest diagnostics and quality workmanship on both domestic and import vehicles. Their technicians are proficient in 4WD system service, transmission work, and general engine diagnostics on GMC trucks and SUVs.

428 Old Street Rd, Peterborough, NH 03458

Specialties & Features

4WD and towing system service
Transmission repair
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 Dublin

** The GMC repair market serving Dublin, NH, is characterized by a reliance on high-quality independent shops and one major dealership located within a reasonable driving distance. There are no dedicated GMC repair specialists physically located within Dublin's small town limits. * **Average Quality:** The quality of service is generally high, with shops competing on reputation, expertise, and personalized service rather than price alone. Independent shops like Monadnock Automotive and The Auto Shop of Peterborough offer a more personal touch and often lower labor rates, while Grappone provides the full factory-backed dealership experience. * **Competition Level:** Competition is moderate but specialized. Customers seeking the highest level of GMC-specific expertise, particularly for diesel and complex electronics, have a clear choice between the dealership and the leading independents. This dynamic helps maintain high service standards across the board. * **Typical Pricing:** Pricing is at a premium, reflecting the specialized nature of the services requested (Duramax, Allison, Denali electronics). Dealerships typically command the highest labor rates, followed by the top-tier independent specialists. Customers can expect to pay for genuine expertise, but the value is found in correct diagnostics and long-term reliability.

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 Dublin regulations and climate