O'Neil Buick GMC

✓ RepairPal Certified
869 W. Street Rd.
Warminster, PA 18974
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Mon - Fri:8:00am to 5:00pm
Sat:8:00am to 2:00pm
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(855) 535-4846



  • Scheduled Maintenance
  • Service & Repair


  • Car Wash
  • Child Friendly
  • Coffee
  • Early Bird Dropoff
  • Extended/Evening Hours
  • Loaner Car
  • Rental Car
  • Shuttle
  • Wireless Internet

Makes We Serve

  • Buick
  • GMC

Message from the Shop

We are the Top Ranked Dealership in Customer Satisfaction! We offer Free Lifetime PA State Inspection, First Oil and Filter Change Free, Buick GMC Courtesy Transportation on Site, Car Wash with Service Visit, Local Shuttle Service, Indoor Service Write-Up, Night Key Drop Off, Lifetime Warranty on All Collision Work and Free Estimates. Check out our Factory Trained and Award Winning Service Department with Over 300 Combined Years of Service Excellence at our State of the Art Facility with Factory Tools and Equipment! Family Owned and Operated Since 1965. Honesty, Integrity, Professional Staff, Outstanding Service!

RepairPal Certified

Technical Ability

This score measures the experience, tenure, training, and certification of the technical staff as well as a shop's ability to get the repair done right the first time.

Tools & Equipment

This score rates the shop's computer diagnostic tools, technical information systems, and other equipment to make sure they can address any issue that may occur with your vehicle.

Customer Service

This score measures the experience, tenure, training, and certification of the customer service representatives, as well as how their customers grade them on overall experience, fair pricing, on-time completion of repairs, and whether or not they felt pressured into additional repairs.

Customer Amenities

This score rates the shop's amenities such as shuttle services, loaner or rental cars, a comfortable waiting room, WiFi, early-bird or off-hours drop-off, and more.

Parts & Labor Warranty

This is the minimum warranty the shop offers on parts and labor for all repairs.

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RepairPal Certified

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  • Warranty on repairs
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