Used Buick Encore GX for Sale in O Fallon, MO
Shop for a luxurious Buick Encore GX in the city where Alyssa Mautz was born
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530 listings
- $21,851fair price$12 below market
- 48,267 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- AutoCenters Nissan (39 mi away)
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Located in Herculaneum, MO / 39 miles away from O Fallon, MO
ONE OWNER with ZERO ACCIDENTS, Encore GX Sport Touring, 4D Sport Utility, Summit White, 2 USB Ports (1 Type-A, 1 Type-C), 2-Way Power Driver Lumbar Co...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL0RB087997
Stock: R84359
Certified Pre-Owned: No
Listed since: 05-08-2025 - 17,496 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- CarMax St. Louis South Lindbergh (26 mi away)
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Located in Saint Louis, MO / 26 miles away from O Fallon, MO
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL4RB167660
Stock: 27255772
Certified Pre-Owned: No- Price Drop$18,850fair price$93 below market
- 52,593 miles
- 1 accident, 2 owners, rental vehicle
- 5 Seats, 29 City / 32 Hwy MPG
- Napleton's Mid Rivers Kia (8 mi away)
- Home delivery*
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Located in Saint Peters, MO / 8 miles away from O Fallon, MO
Priced below KBB Fair Purchase Price! 2022 Buick Encore GX 4D Sport Utility Essence ECOTEC 1.3L Turbo FWDService Work completed on this Buick Encor...
AutoCheck Vehicle History Summary
Accident Free Vehicle: No
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
30 Combined MPG (29 City/32 Highway)
Listing Information:
VIN: KL4MMFSL7NB033180
Stock: KP5680
Certified Pre-Owned: No
Listed since: 05-07-2025 - $17,302fair price$406 above market
- 73,510 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 28 City / 31 Hwy MPG
- Mungenast Burkard Alton Toyota (32 mi away)
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Located in Alton, IL / 32 miles away from O Fallon, MO
CARFAX One-Owner. Clean CARFAX. ~~Very Nice Inside and Out~~, 2 USB Ports w/Auxiliary Input Jack, 8-Way Power Driver Seat Adjuster, Cold Weather Comfo...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
29 Combined MPG (28 City/31 Highway)
Listing Information:
VIN: KL4MMBS22MB116935
Stock: 19750D
Certified Pre-Owned: No
Listed since: 06-07-2025 - $23,994fair price$70 above market
- 34,217 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 26 City / 28 Hwy MPG
- Napleton's Mid Rivers Kia (8 mi away)
- Home delivery*
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Located in Saint Peters, MO / 8 miles away from O Fallon, MO
Recent Arrival! 2024 Buick Encore GX 4D Sport Utility Sport Touring ECOTEC 1.3L Turbo AWDService Work completed on this Buick Encore GX includes: C...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMESL0RB104139
Stock: KP5741
Certified Pre-Owned: No
Listed since: 06-23-2025 - 8,985 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 26 City / 29 Hwy MPG
- Sapaugh GM Country (39 mi away)
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Located in Herculaneum, MO / 39 miles away from O Fallon, MO
** We are 15 minutes south of St. Louis. Everyone leaves happy! Moonstone Gray Metallic 2023 Buick Encore GX Preferred AWD 9-Speed Automatic ECOTEC 1....
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/29 Highway)
Listing Information:
VIN: KL4MMCSL4PB091538
Stock: 2520601
Certified Pre-Owned: No
Listed since: 06-04-2025- 956 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 29 City / 31 Hwy MPG
- Schicker Chrysler Dodge Jeep Ram of Washington (21 mi away)
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Located in Washington, MO / 21 miles away from O Fallon, MO
Discover exceptional style and performance with our 2024 Buick Encore GX Sport Touring, now available with only 956 miles. This sleek and sophisticate...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL6RB001589
Stock: P7316
Certified Pre-Owned: No
Listed since: 05-12-2025- 24,564 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 26 City / 28 Hwy MPG
- Sapaugh GM Country (39 mi away)
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Located in Herculaneum, MO / 39 miles away from O Fallon, MO
** We are 15 minutes south of St. Louis. Everyone leaves happy! Recent Arrival! White Frost Tricoat 2024 Buick Encore GX Preferred AWD 9-Speed Automat...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMCSL0RB101083
Stock: 2531683
Certified Pre-Owned: No
Listed since: 06-24-2025- 35,864 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 29 City / 31 Hwy MPG
- Schicker Ford of Union (26 mi away)
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Located in Union, MO / 26 miles away from O Fallon, MO
EquipmentThis model features a hands-free Bluetooth® phone system. This vehicle is a certified CARFAX 1-owner. The Buick Encore GX keeps you comfortab...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4MMBS29NB091484
Stock: P6617
Certified Pre-Owned: No
Listed since: 06-06-2025- 20,141 miles
- 1 accident, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- Hertz Car Sales St. Louis (22 mi away)
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Located in Florissant, MO / 22 miles away from O Fallon, MO
*All prices plus government fees and taxes, any finance charges, a dealer document preparation charge of $350, any electronic filing charge, and any e...
AutoCheck Vehicle History Summary
Accident Free Vehicle: No
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: Yes
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL1RB156776
Stock: 58745
Certified Pre-Owned: No
Listed since: 05-01-2025- New Listing
- Not provided
- No accidents, 1 owner, personal use only
- 5 Seats, 26 City / 29 Hwy MPG
- Suntrup Buick GMC (8 mi away)
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Located in Saint Peters, MO / 8 miles away from O Fallon, MO
This 2022 Buick Encore GX is a crossover all wheel drive that has been meticulously maintained. With 42,229 miles on the odometer, this vehicle has be...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/29 Highway)
Listing Information:
VIN: KL4MMGSL6NB043382
Stock: P6591-1
Certified Pre-Owned: No
Listed since: 07-02-2025 - New ListingNot Priced
- 11,931 miles
- 1 accident, 1 owner, personal use
- 5 Seats, 26 City / 29 Hwy MPG
- AutoCenters Nissan (39 mi away)
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Located in Herculaneum, MO / 39 miles away from O Fallon, MO
Recent Arrival! 26/29 City/Highway MPG Odometer is 6028 miles below market average! Moonstone Gray Metallic 2023 Buick Encore GX Preferred AWD 9-Speed...
AutoCheck Vehicle History Summary
Accident Free Vehicle: No
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/29 Highway)
Listing Information:
VIN: KL4MMCSL6PB143171
Stock: R84817
Certified Pre-Owned: No
Listed since: 07-02-2025 - $24,990great price$4,278 below market
- 10,243 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 26 City / 28 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
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Located in Portland, OR / 1,695 miles away from O Fallon, MO
CarFax No Accidents Reported,CarFax 1-Owner,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Keyless Start,Lane Keeping Assist,Navigation Sys...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMESL8SB049042
Stock: SB049042A
Certified Pre-Owned: No - New Listing$21,990great price$3,070 below market
- 23,151 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 26 City / 28 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
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Located in Albuquerque, NM / 915 miles away from O Fallon, MO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMESL2RB189307
Stock: 2003751741
Certified Pre-Owned: No
Listed since: 05-19-2025 - Price Drop$23,865great price$3,113 below market
- 9,290 miles
- No accidents, 1 owner, personal use
- 5 Seats, 26 City / 29 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
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Located in Tampa, FL / 879 miles away from O Fallon, MO
CarFax No Accidents Reported,CarFax 1-Owner,Low Mileage,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Hands-Free Liftgate,Heated Seats,Hea...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/29 Highway)
Listing Information:
VIN: KL4MMGSL7PB129089
Stock: PB129089P
Certified Pre-Owned: No - Price Drop$20,990great price$4,026 below market
- 23,662 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 26 City / 28 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Salt Lake City, UT / 1,127 miles away from O Fallon, MO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMESL9RB171743
Stock: 2003757994
Certified Pre-Owned: No
Listed since: 05-23-2025 - Price Drop$20,990great price$3,992 below market
- 24,053 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 26 City / 28 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Salt Lake City, UT / 1,127 miles away from O Fallon, MO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMESL4RB171441
Stock: 2003754624
Certified Pre-Owned: No
Listed since: 05-23-2025 - $28,998good price$1,734 below market
- 3,743 miles
- No accidents, 2 owners, personal use
- 5 Seats, 26 City / 28 Hwy MPG
- CarMax (In-stock online)
- Transfer available from WA to MO*
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Located in Lynnwood, WA / 1,693 miles away from O Fallon, MO
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMESL6RB014168
Stock: 27149540
Certified Pre-Owned: No - $22,998great price$2,346 below market
- 15,750 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 26 City / 29 Hwy MPG
- CarMax (In-stock online)
- Transfer available from TN to MO*
Close
Located in Madison, TN / 279 miles away from O Fallon, MO
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: Yes
Features and Specs:
27 Combined MPG (26 City/29 Highway)
Listing Information:
VIN: KL4MMESL7PB019454
Stock: 27327592
Certified Pre-Owned: No - Price Drop$21,590great price$2,819 below market
- 17,955 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Phoenix, AZ / 1,240 miles away from O Fallon, MO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSLXRB094102
Stock: 2003751513
Certified Pre-Owned: No
Listed since: 05-19-2025 - Price Drop$20,590great price$2,996 below market
- 22,580 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 26 City / 28 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Salt Lake City, UT / 1,127 miles away from O Fallon, MO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMESLXRB145023
Stock: 2003754623
Certified Pre-Owned: No
Listed since: 05-23-2025
Showing 22 - 42 out of 530 listings
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* Delivery of any kind does not apply to Alaska and Hawaii. Contact the dealer for delivery details, restrictions and costs.