Dealership
O'Neil Buick GMC
Warminster, PA
About
O’Neil Buick GMC is a premier provider of Buick, GMC and GM Certified Pre-owned automobiles. We are dedicated and committed to the highest standards of quality and integrity of our products and services. O'Neil Buick GMC proudly serves Warminster & the Philadelphia area. The O'Neil family has been in the auto business for over 50 years.
Services
Inventory
Page 23
Clean title 
USED · SUV
2025 Buick Encore GX
Preferred · FWD · Automatic
Contact for price
Warminster, PA
Clean title 
USED · SUV
2024 Audi Q3
S line Premium Plus · AWD · Automatic
$39,789
Warminster, PA
Clean title 
USED · SUV
2019 GMC Yukon
SLT · 4WD · Automatic
$36,827
Warminster, PA
Clean title USED · SUV
2021 GMC Yukon
AT4 · 4WD · Automatic
$60,782
Warminster, PA
Clean title 
USED · Pickup Truck
2022 Chevrolet Silverado 1500
Custom · 4WD · Automatic
$36,228
Warminster, PA
Clean title USED · SUV
2022 GMC Acadia
SLE · AWD · Automatic
$30,911
Warminster, PA
Clean title USED · SUV
2016 GMC Yukon
Denali · 4WD · Automatic
Contact for price
Warminster, PA
Clean title USED · SUV
2016 GMC Acadia
SLE · AWD · Automatic
Contact for price
Warminster, PA
Clean title USED · SUV
2025 Buick Encore GX
Preferred · FWD · Automatic
Contact for price
Warminster, PA
Clean title USED · Pickup Truck
2020 GMC Sierra 2500HD
Denali · 4WD · Automatic
Contact for price
Warminster, PA
Clean title USED · Pickup Truck
2022 GMC Sierra 1500
Denali · 4WD · Automatic
Contact for price
Warminster, PA
Clean title 
USED · Pickup Truck
2019 Ram 1500
Big Horn/Lone Star · 4WD · Automatic
Contact for price
Warminster, PA