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
26 cars found
Used 3,435 mi

2025 Cadillac XT6 Sport

O'Fallon, MO
Gasoline
Automatic
AWD
$58,900
or $1,026/mo
Used 50,100 mi

2019 RAM Ram 1500 Pickup Limited

O'Fallon, MO
Hybrid
Automatic
AWD
$36,900
or $643/mo
Used 52,000 mi

2017 Ford Explorer Platinum

O'Fallon, MO
Gasoline
Automatic
AWD
$22,900
or $399/mo
Used 87,604 mi

2018 Buick Enclave Premium

O'Fallon, MO
Gasoline
Automatic
FWD
$18,700
or $326/mo
Used 108,851 mi

2016 Cadillac CTS Sedan Luxury Collection

O'Fallon, MO
Gasoline
Automatic
AWD
$13,600
or $237/mo
Used 106,483 mi

2020 Chevrolet Silverado 1500 High Country

O'Fallon, MO
Gasoline
Automatic
AWD
$34,900
or $608/mo
Used 116,669 mi

2015 Mercedes-Benz M-Class ML350

O'Fallon, MO
Gasoline
Automatic
AWD
$13,600
or $237/mo
Used 81,548 mi

2023 GMC Sierra 2500 Denali HD Denali

O'Fallon, MO
Diesel
Automatic
AWD
$56,600
or $986/mo
Used 110,521 mi

2018 Chevrolet Tahoe Premier

O'Fallon, MO
Gasoline
Automatic
AWD
$28,800
or $502/mo
Used 30,735 mi

2023 GMC Acadia AT4

O'Fallon, MO
Gasoline
Automatic
AWD
$33,900
or $591/mo
Used 10,252 mi

2022 Chevrolet Colorado LT

O'Fallon, MO
Gasoline
Automatic
AWD
$32,600
or $568/mo
Used 97,590 mi

2019 Chrysler Pacifica Touring L Plus

O'Fallon, MO
Gasoline
Automatic
FWD
$17,600
or $307/mo
Used 33,363 mi

2019 Land Rover Range Rover Sport HSE Dynamic

O'Fallon, MO
Gasoline
Automatic
AWD
$38,500
or $671/mo
Used 44,000 mi

2019 Nissan Frontier SV

O'Fallon, MO
Gasoline
Automatic
RWD
$20,900
or $364/mo
Used 84,414 mi

2017 Chevrolet Trax LT

O'Fallon, MO
Gasoline
Automatic
AWD
$10,200
or $178/mo
Used 34,130 mi

2024 GMC Sierra 1500 Denali Denali

O'Fallon, MO
Gasoline
Automatic
AWD
$53,600
or $934/mo