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
33 cars found
Used 14,009 mi

2025 GMC Yukon Denali

O'Fallon, MO
Gasoline
Automatic
AWD
$73,900
or $1,287/mo
Used 89,519 mi

2021 GMC Yukon XL Denali

O'Fallon, MO
Gasoline
Automatic
AWD
$47,900
or $834/mo
Used 21,790 mi

2024 GMC Sierra 1500 AT4

O'Fallon, MO
Diesel
Automatic
AWD
$56,500
or $984/mo
Used 68,650 mi

2018 Chevrolet Silverado 1500 LT

O'Fallon, MO
Gasoline
Automatic
AWD
$29,300
or $510/mo
Used 70,202 mi

2021 GMC Sierra 1500 AT4

O'Fallon, MO
Gasoline
Automatic
AWD
$38,900
or $678/mo
Used 34,916 mi

2024 Toyota Tacoma SR5

O'Fallon, MO
Gasoline
Automatic
AWD
$37,900
or $660/mo
Used 2,062 mi

2026 Buick Enclave Preferred

O'Fallon, MO
Gasoline
Automatic
AWD
$43,900
or $765/mo
Used 35,789 mi

2024 BMW X7 40i

O'Fallon, MO
Gasoline
Automatic
AWD
$65,300
or $1,138/mo
Used 5,161 mi

2025 Ford Mustang GT Premium

O'Fallon, MO
Gasoline
Automatic
RWD
$51,900
or $904/mo
Used 57,155 mi

2022 Jeep Gladiator Mojave

O'Fallon, MO
Gasoline
Automatic
AWD
$34,900
or $608/mo
Used 62,980 mi

2023 BMW X6 40i

O'Fallon, MO
Gasoline
Automatic
AWD
$46,900
or $817/mo
Used 104,318 mi

2015 Audi Q5 Premium Plus

O'Fallon, MO
Gasoline
Automatic
AWD
$9,900
or $172/mo
Used 18,422 mi

2023 Chevrolet Blazer RS

O'Fallon, MO
Gasoline
Automatic
FWD
$33,900
or $591/mo
Used 15,328 mi

2024 GMC Yukon Denali

O'Fallon, MO
Gasoline
Automatic
AWD
$75,600
or $1,317/mo
Used 3,739 mi

2026 Volkswagen Tiguan SEL R-LINE TURBO

O'Fallon, MO
Gasoline
Automatic
AWD
$40,600
or $707/mo
Used 25,856 mi

2025 Chevrolet Trax RS

O'Fallon, MO
Flex
Automatic
FWD
$22,900
or $399/mo