Compare the highest-rated gmc repair mechanics in Harriston, Mississippi. All shops are licensed, insured, and verified through our rigorous screening process.
A family-owned and operated business with a legacy of trust in the McComb area. They are widely recognized as the leading independent specialist for GM diesel and transmission work. Their technicians have deep, hands-on experience with the full range of GMC trucks, from heavy-duty Duramax models to Denali trims, and they invest in specialized diagnostic tools for modern GM systems.
As the official GMC dealership for the region, this is the premier destination for factory-trained technicians, genuine GM parts, and complex electronic/warranty work. They are the best-equipped facility to handle advanced diagnostics on Denali luxury features, EcoTec engines, and factory towing systems, ensuring repairs meet OEM standards.
A highly-rated independent shop known for its expertise in complex transmission rebuilds and 4WD system service. They are a trusted alternative for major drivetrain work, particularly on Allison transmissions and transfer cases. Their reputation for honest diagnostics and quality workmanship makes them a go-to for GMC owners needing transmission or 4WD repairs.
** The GMC repair market for Harriston, Mississippi, and its immediate surrounding counties (Pike, Walthall) is characterized by a reliance on a few highly specialized providers rather than a high volume of general mechanics. Due to Harriston's rural nature, residents are accustomed to traveling short distances (15-30 miles) to neighboring towns like McComb, Tylertown, or even Jackson for expert service. **Average Quality:** The quality of service is polarized. While there are many general mechanics, true specialists for complex systems like Duramax diesel or Allison transmissions are limited to the top-tier shops listed. These specialists maintain a very high standard to compete with the dealership, often providing more personalized service and sometimes more competitive pricing. **Competition Level:** Competition is moderate but specialized. The dealership (Phelps) holds a monopoly on factory-certified work, while independent shops like Cook's Garage and B&B Automotive compete fiercely on reputation, price, and specific technical expertise (e.g., diesel performance, transmission rebuilding). There is little direct competition for these high-skill services. **Typical Pricing:** Labor rates are generally lower than in major metropolitan areas. Expect to pay: * **Independent Specialists (Cook's, B&B):** $95 - $120/hour * **Dealership (Phelps):** $130 - $150/hour While the dealership commands a premium, their access to proprietary software and training for electronics and complex modules can be necessary for certain repairs, providing value that justifies the cost.
4.7+ star average from verified customer reviews
All shops are properly licensed and insured
10+ years average experience in the industry
Familiar with Harriston regulations and climate