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
58 cars found
Used 42,447 mi

2021 GMC Sierra 1500 SLT

Warminster, PA
Gasoline
Automatic
AWD
$42,938
or $748/mo
Used 10,483 mi

2022 GMC Terrain Denali

Warminster, PA
Gasoline
Automatic
AWD
$32,986
or $575/mo
Used 61,417 mi

2022 Cadillac Escalade Sport

Warminster, PA
Gasoline
Automatic
AWD
$66,992
or $1,167/mo
Used 14,027 mi

2024 GMC Yukon XL Denali

Warminster, PA
Gasoline
Automatic
AWD
$78,599
or $1,369/mo
Used 51,151 mi

2021 GMC Sierra 1500 Denali Denali

Warminster, PA
Gasoline
Automatic
AWD
$47,999
or $836/mo
Used 23,133 mi

2022 Chevrolet Equinox LS

Warminster, PA
Gasoline
Automatic
AWD
$23,718
or $413/mo
Used 5,453 mi

2025 GMC Sierra 2500HD Denali Ultimate

Warminster, PA
Diesel
Automatic
AWD
$91,948
or $1,602/mo
Used 81,031 mi

2016 Chevrolet Equinox LT

Warminster, PA
Flex
Automatic
AWD
$12,879
or $224/mo
Used 1,278 mi

2024 Subaru Impreza Base

Warminster, PA
Gasoline
Automatic
AWD
$23,493
or $409/mo
Used 29,850 mi

2022 Honda CR-V EX-L

Warminster, PA
Gasoline
Automatic
AWD
$30,967
or $539/mo
Used 94,862 mi

2019 GMC Sierra 1500 Denali Denali

Warminster, PA
Gasoline
Automatic
AWD
$36,363
or $633/mo
Used 21,091 mi

2022 Chevrolet Equinox LT

Warminster, PA
Gasoline
Automatic
FWD
$23,578
or $411/mo
Used 36,240 mi

2022 GMC Yukon Denali

Warminster, PA
Gasoline
Automatic
AWD
$63,999
or $1,115/mo
Used 62,374 mi

2022 GMC Yukon XL SLE

Warminster, PA
Gasoline
Automatic
AWD
$46,960
or $818/mo
Used 26,302 mi

2022 GMC Acadia SLE

Warminster, PA
Gasoline
Automatic
FWD
$28,521
or $497/mo
Used 38,002 mi

2023 Chevrolet Tahoe Premier

Warminster, PA
Gasoline
Automatic
AWD
$63,451
or $1,105/mo