Dealer

O'Neil GMC

Explore a wide selection of high-quality used and certified pre-owned vehicles at O'Neil GMC – your trusted auto dealership in Warminster, PA.









Dealers
75 cars found
Used 69,877 mi

2019 Cadillac XT5 Premium Luxury

Warminster, PA
Gasoline
Automatic
FWD
$22,554
or $393/mo
Used 60,864 mi

2024 Ford Expedition XLT

Warminster, PA
Gasoline
Automatic
AWD
$47,452
or $827/mo
Used 42,903 mi

2021 Ford Expedition Platinum

Warminster, PA
Gasoline
Automatic
AWD
$48,625
or $847/mo
Used 21,309 mi

2023 Chevrolet Traverse 3LT

Warminster, PA
Gasoline
Automatic
AWD
$34,745
or $605/mo
Used 36,161 mi

2021 BMW 5 Series 540i

Warminster, PA
Gasoline
Automatic
AWD
$38,880
or $677/mo
Used 39,662 mi

2022 GMC Sierra 1500 Elevation

Warminster, PA
Gasoline
Automatic
AWD
$40,491
or $705/mo
Used 22,374 mi

2016 Honda Civic EX

Warminster, PA
Gasoline
Automatic
FWD
$19,987
or $348/mo
Used 30,471 mi

2023 GMC Sierra 1500 SLT

Warminster, PA
Gasoline
Automatic
AWD
$47,944
or $835/mo
Used 19,573 mi

2025 Chevrolet Traverse LT

Warminster, PA
Gasoline
Automatic
FWD
$37,402
or $652/mo
Used 19,870 mi

2025 Chevrolet Tahoe Premier

Warminster, PA
Gasoline
Automatic
AWD
$68,396
or $1,191/mo
Used 31,463 mi

2022 Buick Encore Preferred

Warminster, PA
Gasoline
Automatic
AWD
$18,775
or $327/mo
Used 10,290 mi

2024 Chevrolet Colorado Z71

Warminster, PA
Gasoline
Automatic
AWD
$41,855
or $729/mo
Used 29,022 mi

2025 BMW 7 Series 740i

Warminster, PA
Gasoline
Automatic
AWD
$75,823
or $1,321/mo
Used 98,770 mi

2020 GMC Sierra 1500 AT4

Warminster, PA
Diesel
Automatic
AWD
$35,968
or $627/mo
Used 18,559 mi

2025 Buick Envision Sport Touring

Warminster, PA
Gasoline
Automatic
AWD
$33,533
or $584/mo
Used 10,539 mi

2025 Buick Envision Sport Touring

Warminster, PA
Gasoline
Automatic
AWD
$34,981
or $609/mo