Dealer

O'fallon Buick Gmc

Explore a wide selection of high-quality used and certified pre-owned vehicles at O'fallon Buick Gmc – your trusted auto dealership in O'Fallon, MO.









Dealers
51 cars found
Used 25,770 mi

2020 Kia FORTE GT

O'Fallon, MO
Gasoline
Automatic
FWD
$18,900
or $329/mo
Used 54,392 mi

2021 RAM Ram 1500 Pickup Big Horn/Lone Star

O'Fallon, MO
Gasoline
Automatic
AWD
$33,900
or $591/mo
Used 30,538 mi

2024 Chevrolet Colorado Trail Boss

O'Fallon, MO
Gasoline
Automatic
AWD
$37,500
or $653/mo
Used 26,290 mi

2024 Ford Mustang GT Premium

O'Fallon, MO
Gasoline
Automatic
RWD
$43,900
or $765/mo
Used 6,585 mi

2025 GMC Yukon Elevation

O'Fallon, MO
Gasoline
Automatic
AWD
$69,500
or $1,211/mo
Used 23,108 mi

2025 GMC Sierra 2500HD SLT

O'Fallon, MO
Diesel
Automatic
AWD
$70,000
or $1,219/mo
Used 73,442 mi

2017 GMC Terrain SLE-1

O'Fallon, MO
Flex
Automatic
FWD
$14,500
or $253/mo
Used 106,878 mi

2022 Chevrolet Equinox LS

O'Fallon, MO
Gasoline
Automatic
AWD
$17,000
or $296/mo
Used 37,405 mi

2023 Kia Sorento S

O'Fallon, MO
Gasoline
Automatic
FWD
$27,500
or $479/mo
Used 3,551 mi

2025 Chevrolet Malibu RS

O'Fallon, MO
Gasoline
Automatic
FWD
$24,900
or $434/mo
Used 7,721 mi

2024 GMC Sierra 1500 AT4

O'Fallon, MO
Diesel
Automatic
AWD
$57,900
or $1,009/mo
Used 87,168 mi

2019 BMW X3 30i

O'Fallon, MO
Gasoline
Automatic
AWD
$19,000
or $331/mo
Used 52,495 mi

2022 Kia Sportage Nightfall

O'Fallon, MO
Gasoline
Automatic
FWD
$21,000
or $366/mo
Used 601 mi

2026 GMC Canyon Denali

O'Fallon, MO
Gasoline
Automatic
AWD
$51,900
or $904/mo
Used 15,134 mi

2020 Buick Encore GX Essence

O'Fallon, MO
Gasoline
Automatic
FWD
$21,400
or $373/mo
Used 107,000 mi

2020 GMC Yukon SLT

O'Fallon, MO
Gasoline
Automatic
AWD
$30,500
or $531/mo