Buicks for sale in O Fallon, Missouri
315 cars found
Save this search
Modify Your Search
Location
Price
Hide cars with no price
Under $15,000 (2)
Under $20,000 (5)
Under $25,000 (15)
Under $30,000 (19)
Under $35,000 (21)
Under $45,000 (23)
Unknown (292)
see all
see less
Mileage
0 miles (132)
Under 10,000 (151)
Under 20,000 (156)
Under 30,000 (161)
Under 40,000 (167)
Under 50,000 (168)
Under 70,000 (170)
Under 80,000 (171)
Under 90,000 (173)
Under 100,000 (174)
Over 100,000 (1)
Unknown (8)
see all
see less
Year
2025 (217)
2024 (65)
2023 (5)
2022 (7)
2021 (10)
2020 (3)
2019 (2)
2018 (1)
2017 (3)
2015 (1)
2014 (1)
see all
see less
Exterior Color
?
Unknown
(131)
see all
see less
Model
see all
see less
Bodystyle
Transmission
Automatic (204)
CVT (106)
Unknown (5)
Drivetrain
FWD (188)
AWD (106)
4WD (4X4) (21)
Fuel Type
Gasoline (257)
Flex Fuel (58)
Interior Color
Black
(40)
Beige
(7)
Brown
(1)
Tan
(1)
?
Unknown
(267)
Only show fuel efficient
Only show cars with photos
Only show cars with C.A.R.Score
Basic Listings
Save this car
Contact for Price
Mileage: 7
16 photos ● 1 video
Mileage:
7
Exterior Color:
Ocean Blue
Drivetrain:
FWD
Transmission:
6-Speed Automatic
MPG (city/hwy):
20/24
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 5
16 photos ● 1 video
Mileage:
5
Exterior Color:
Aquamarine Blue
Drivetrain:
FWD
Transmission:
CVT
MPG (city/hwy):
29/31
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 5
16 photos ● 1 video
Mileage:
5
Exterior Color:
Ocean Blue
Drivetrain:
FWD
Transmission:
CVT
MPG (city/hwy):
22/23
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 5
17 photos ● 1 video
Mileage:
5
Exterior Color:
White Frost
Drivetrain:
FWD
Transmission:
8-Speed Shiftable Automatic
Engine:
2.5L Turbo I4 328hp 326ft. lbs.
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 3
17 photos ● 1 video
Mileage:
3
Exterior Color:
Moonstone Gray
Drivetrain:
FWD
Transmission:
8-Speed Shiftable Automatic
Engine:
2.5L Turbo I4 328hp 326ft. lbs.
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 6
20 photos ● 1 video
Mileage:
6
Exterior Color:
Copper Ice
Interior Color:
Whisper Beige W/ Ebony Accents
Drivetrain:
FWD
Transmission:
CVT
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 5
16 photos ● 1 video
Mileage:
5
Exterior Color:
Ebony
Drivetrain:
FWD
Transmission:
CVT
MPG (city/hwy):
22/23
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 5
21 photos ● 1 video
Mileage:
5
Exterior Color:
Ebony
Interior Color:
Whisper Beige W/ Ebony Accents
Drivetrain:
FWD
Transmission:
CVT
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 8
16 photos ● 1 video
Mileage:
8
Exterior Color:
Moonstone Gray
Drivetrain:
FWD
Transmission:
6-Speed Automatic
MPG (city/hwy):
20/24
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 5
21 photos ● 1 video
Mileage:
5
Exterior Color:
Summit White
Interior Color:
Ebony W/ Sky Cool Gray And Ebony Accents
Drivetrain:
AWD
Transmission:
9-Speed Shiftable Automatic
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 4
17 photos ● 1 video
Mileage:
4
Exterior Color:
Smokey Amethyst Metallic
Drivetrain:
AWD
Transmission:
9-Speed Shiftable Automatic
Engine:
2.0L Turbo I4 228hp 258ft. lbs.
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 11
23 photos ● 1 video
Mileage:
11
Exterior Color:
Cinnabar Metallic
Interior Color:
Ebony W/ Sky Cool Gray And Ebony Accents
Drivetrain:
AWD
Transmission:
9-Speed Shiftable Automatic
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 3
18 photos ● 1 video
Mileage:
3
Exterior Color:
Cherry Red
Drivetrain:
4WD (4X4)
Transmission:
8-Speed Shiftable Automatic
Engine:
2.5L Turbo I4 328hp 326ft. lbs.
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
$22,990 ($434/mo est.)
Mileage: 38,123
33 photos ● 1 video
Mileage:
38,123
Exterior Color:
Summit White
Drivetrain:
FWD
Transmission:
9-Speed Automatic
MPG (city/hwy):
23/31
$22,990 ($434/mo est.)
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 7
16 photos ● 1 video
Mileage:
7
Exterior Color:
Ocean Blue
Drivetrain:
FWD
Transmission:
6-Speed Automatic
MPG (city/hwy):
20/24
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
$24,361 ($460/mo est.)
Mileage: 20,109
34 photos
Mileage:
20,109
Exterior Color:
Ebony Twilight Metallic
Interior Color:
Ebony With Ebony Interior Accents
Drivetrain:
FWD
Transmission:
CVT
$24,361 ($460/mo est.)
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 6
16 photos ● 1 video
Mileage:
6
Exterior Color:
Ebony
Drivetrain:
FWD
Transmission:
CVT
MPG (city/hwy):
29/31
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
$21,390 ($404/mo est.)
Mileage: 36,187
34 photos
Mileage:
36,187
Exterior Color:
Ebony Twilight Metallic
Interior Color:
Ebony With Ebony Interior Accents
Drivetrain:
AWD
Transmission:
9-Speed Shiftable Automatic
$21,390 ($404/mo est.)
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
$17,658 ($333/mo est.)
Mileage: 34,032
31 photos
Mileage:
34,032
Exterior Color:
Pepperdust Metallic
Interior Color:
Ebony
Drivetrain:
FWD
Transmission:
6-Speed Shiftable Automatic
$17,658 ($333/mo est.)
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 5
16 photos ● 1 video
Mileage:
5
Exterior Color:
Summit White
Drivetrain:
FWD
Transmission:
6-Speed Automatic
MPG (city/hwy):
20/24
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 3
17 photos ● 1 video
Mileage:
3
Exterior Color:
White Frost
Drivetrain:
FWD
Transmission:
8-Speed Shiftable Automatic
Engine:
2.5L Turbo I4 328hp 326ft. lbs.
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
$32,990 ($623/mo est.)
Mileage: 36,338
32 photos ● 1 video
Mileage:
36,338
Exterior Color:
Ebony Twilight Metallic
Drivetrain:
4WD (4X4)
Transmission:
9-Speed Shiftable Automatic
MPG (city/hwy):
17/25
$32,990 ($623/mo est.)
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 5
16 photos ● 1 video
Mileage:
5
Exterior Color:
Summit White
Drivetrain:
FWD
Transmission:
6-Speed Automatic
MPG (city/hwy):
20/24
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
Contact for Price
Mileage: 5
17 photos ● 1 video
Mileage:
5
Exterior Color:
Summit White
Drivetrain:
FWD
Transmission:
8-Speed Shiftable Automatic
Engine:
2.5L Turbo I4 328hp 326ft. lbs.
Contact for Price
Saint Peters, MO
(216 miles from )
(216 miles from )
Save this car
$21,484 ($405/mo est.)
Mileage: 8,510
33 photos
Mileage:
8,510
Exterior Color:
Sapphire Metallic
Interior Color:
Whisper Beige With Ebony Interior Accents
Drivetrain:
FWD
Transmission:
CVT
$21,484 ($405/mo est.)
Saint Peters, MO
(216 miles from )
(216 miles from )
This image is a stock photo and is not an exact representation of any vehicle offered for sale. Advertised vehicles of this model may have styling, trim levels, colors and optional equipment that differ from the stock photo.
Close
Filter Results
Updating Results