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
78 cars found
Used 13,617 mi

2024 GMC Acadia Elevation

Warminster, PA
Gasoline
Automatic
AWD
$39,958
or $696/mo
Used 72,905 mi

2018 GMC Terrain SLT

Warminster, PA
Gasoline
Automatic
FWD
$17,911
or $312/mo
Used 5,246 mi

2023 Buick Encore GX Select

Warminster, PA
Gasoline
Automatic
FWD
$21,981
or $383/mo
Used 18,921 mi

2025 GMC Acadia Elevation

Warminster, PA
Gasoline
Automatic
AWD
$36,991
or $644/mo
Used 38,834 mi

2023 GMC Yukon XL SLT

Warminster, PA
Gasoline
Automatic
AWD
$58,228
or $1,014/mo
Used 100,919 mi

2018 Honda HR-V EX

Warminster, PA
Gasoline
Automatic
AWD
$14,348
or $250/mo
Used 85,621 mi

2020 GMC Sierra 1500 SLE

Warminster, PA
Gasoline
Automatic
AWD
$29,326
or $511/mo
Used 39,974 mi

2023 GMC Yukon XL SLT

Warminster, PA
Gasoline
Automatic
AWD
$58,219
or $1,014/mo
Used 93,192 mi

2018 GMC Yukon Denali

Warminster, PA
Gasoline
Automatic
AWD
$30,736
or $535/mo
Used 65,975 mi

2019 Chevrolet Blazer RS

Warminster, PA
Gasoline
Automatic
AWD
$23,983
or $418/mo
Used 40,754 mi

2021 Chevrolet Traverse 3LT

Warminster, PA
Gasoline
Automatic
AWD
$27,991
or $488/mo
Used 17,916 mi

2025 Chevrolet Tahoe Premier

Warminster, PA
Gasoline
Automatic
AWD
$70,458
or $1,227/mo
Used 14,150 mi

2025 Buick Enclave Sport Touring

Warminster, PA
Gasoline
Automatic
AWD
$43,974
or $766/mo
Used 69,224 mi

2020 RAM Ram 1500 Pickup Big Horn/Lone Star

Warminster, PA
Gasoline
Automatic
AWD
$30,982
or $540/mo
Used 45,177 mi

2017 Acura TLX Technology Package

Warminster, PA
Gasoline
Automatic
FWD
$18,508
or $322/mo
Used 34,422 mi

2024 GMC Terrain SLE

Warminster, PA
Gasoline
Automatic
AWD
$23,532
or $410/mo