Compare the highest-rated gmc repair mechanics in Andover, New Hampshire. All shops are licensed, insured, and verified through our rigorous screening process.
A highly respected, long-standing full-service shop known for its expertise with both domestic cars and heavy-duty trucks. They have a strong reputation for honest diagnostics and quality workmanship on complex drivetrain and engine systems, making them a top choice for GMC Sierra and Denali owners in the area.
While the name highlights transmissions, this Franklin-based shop is a recognized expert in all drivetrain components. They are a go-to specialist for Allison transmission rebuilds and diagnostics, and their reviews frequently mention successful repairs on 4WD systems and towing-related issues for GM trucks.
As a premier GM dealership, Grappone offers the highest level of factory-specific technical support, specialized tools, and OEM parts. This is the definitive choice for complex Denali luxury feature repairs, advanced electronics, and warranty work. Their technicians are GM-certified and receive direct training on the latest GMC systems.
** The GMC repair market in the Andover, NH area is characterized by a mix of highly capable independent shops and a major dealership presence in the nearby commercial hub of Concord. Due to Andover's rural nature and proximity to major routes (I-89, I-93), the local providers have built strong reputations for servicing the heavy-duty trucks and SUVs common in the region. * **Average Quality:** The quality is generally high, with several shops boasting long tenures and deep, multi-generational expertise in American-made trucks. Customers expect and receive durable, reliable repairs. * **Competition Level:** Competition is moderate but specialized. While there are several general mechanics, only a handful have the specific tooling, software, and experience for complex Duramax or Allison transmission work. This specialization allows the top shops to command a premium. * **Typical Pricing:** Pricing is competitive for New England. Independent specialists like Route 4 Auto and P&R Transmissions typically offer rates 15-30% lower than the dealership (Grappone). However, the dealership provides the assurance of OEM parts and factory-trained technicians, which justifies its higher labor rate for certain repairs, especially those involving warranty or advanced electronics.
4.7+ star average from verified customer reviews
All shops are properly licensed and insured
10+ years average experience in the industry
Familiar with Andover regulations and climate