The Best GMC Repair in Old Bethpage, NY

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

#1

Certified Diesel Solutions

4.8
(240 reviews)
Verified

A highly specialized, family-owned shop focused exclusively on diesel performance and repair. They are the go-to experts for complex Duramax engine diagnostics, performance tuning, and emissions system repairs. Their technicians have advanced certifications specific to diesel technology and heavy-duty truck systems.

1055 Old Country Rd, Plainview, NY 11803

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Bethpage Auto Repair

4.6
(180 reviews)
Verified

A well-established, full-service auto repair shop with a strong reputation for honesty and technical competence. They service a large number of local GMC trucks and SUVs, with specific expertise in transmission service, 4WD systems, and general engine diagnostics for both EcoTec and larger gasoline engines.

429A S Broadway, Hicksville, NY 11801

Specialties & Features

Transmission repair (Allison
10-speed)
4WD and towing system service
EcoTec engine diagnostics

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Smithtown GMC (Authorized Dealer Service Department)

4.4
(290 reviews)
Verified

As an official GMC dealership, this service department offers the highest level of factory-specific training, tools, and original parts. They are the unequivocal experts for warranty work, complex Denali electronics, infotainment systems, and factory towing package maintenance. Their technicians receive continuous training directly from GM.

100 E Main St, Smithtown, NY 11787

Specialties & Features

Denali luxury features and electronics
Towing package maintenance
GMC factory recalls and software updates

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Old Bethpage

** The GMC repair market in the Old Bethpage area is robust and competitive, characterized by a mix of highly specialized independent shops and established dealerships. The average quality of service is high, driven by a knowledgeable customer base that demands expertise, particularly for high-value vehicles like Denalis and heavy-duty trucks. * **Competition Level:** High. Customers have a clear choice between the factory-backed expertise and convenience of a dealership (like Smithtown GMC) and the often more personalized, cost-effective, and deeply specialized service of independents (like Certified Diesel Solutions). * **Typical Pricing:** Dealerships typically command a 15-30% premium for labor and OEM parts. Specialists like diesel or transmission shops may have higher labor rates for their niche expertise but can be more competitive than dealers for major repairs. Generalists like Bethpage Auto Repair often provide the most budget-friendly labor rates for routine and common repairs. * **Key Differentiator:** For the specific needs listed, the market splits effectively: **Dealerships** for electronics and warranty; **Diesel Specialists** for powertrain depth; and **Quality Generalists** for dependable all-around service on gasoline models and core systems like transmission and 4WD. **Note on Geography:** To provide the most qualified and realistic options, this research includes top-tier specialists in the immediately surrounding towns of Plainview, Hicksville, and Smithtown, all of which are within a short driving distance of Old Bethpage and represent the actual market where residents seek these services.

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 Old Bethpage regulations and climate