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
Skip to Filters
505 listings
- Price Drop$17,575fair price$492 above market
- 86,402 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 29 City / 31 Hwy MPG
- Lou Fusz Buick GMC (18 mi away)
Close
Located in Saint Louis, MO / 18 miles away from O Fallon, MO
Clean CARFAX. Summit White 2022 Buick Encore GX Preferred FWD CVT ECOTEC 1.2L Turbo 29/31 City/Highway MPG 29/31 City/Highway MPGLou Fusz Buick/GMC is...
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: KL4MMBS29NB018132
Stock: BG25403A
Certified Pre-Owned: No
Listed since: 04-22-2025 - Price Drop$21,320fair price$181 above market
- 24,867 miles
- No accidents, 1 owner, personal use only
- 5 Seats
- Mungenast St Louis Acura (17 mi away)
Close
Located in Manchester, MO / 17 miles away from O Fallon, MO
CARFAX One Owner!, Advanced Safety Features!, Factory Recommended Service Performed, Great Service History!, Blind Spot Monitors!, Moonroof, Heated Le...
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:
Listing Information:
VIN: KL4MMDSL8NB065057
Stock: 12157P
Certified Pre-Owned: No
Listed since: 04-22-2025 - New Listing
- 20,034 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 29 City / 31 Hwy MPG
- CarMax St. Louis South Lindbergh (26 mi away)
Close
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: 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: KL4AMDSL8RB141210
Stock: 27255997
Certified Pre-Owned: No - $24,499fair price$273 above market
- 19,805 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 26 City / 28 Hwy MPG
- Enterprise Car Sales North County (20 mi away)
- Home delivery*
Close
Located in Hazelwood, MO / 20 miles away from O Fallon, MO
Transfer of vehicle from another location to your neighborhood Enterprise Car Sales may require payment of a non-refundable transfer fee to begin the ...
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: KL4AMESL9RB170690
Stock: 7WS7VC
Certified Pre-Owned: No
Listed since: 12-17-2024 - $23,904fair price$644 above market
- 29,850 miles
- No accidents, 1 owner, personal use
- 5 Seats, 26 City / 29 Hwy MPG
- AutoCenters Nissan (39 mi away)
Close
Located in Herculaneum, MO / 39 miles away from O Fallon, MO
ONE OWNER with ZERO ACCIDENTS, All Wheel Drive, Encore GX Select, 4D Sport Utility, AWD, Ebony Twilight Metallic, 2 USB Ports w/Auxiliary Input Jack, ...
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: KL4MMESL8PB109051
Stock: R84190
Certified Pre-Owned: No
Listed since: 04-24-2025 - $20,999fair price$442 above market
- 55,901 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 32 Hwy MPG
- Enterprise Car Sales Clayton (21 mi away)
- Home delivery*
Close
Located in Saint Louis, MO / 21 miles away from O Fallon, MO
Transfer of vehicle from another location to your neighborhood Enterprise Car Sales may require payment of a non-refundable transfer fee to begin the ...
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/32 Highway)
Listing Information:
VIN: KL4MMFSL7PB020948
Stock: 8DPHPX
Certified Pre-Owned: No
Listed since: 04-16-2025 - New Listing$17,963fair price$457 above market
- 58,001 miles
- No accidents, 1 owner, personal use only
- 5 Seats
- Lou Fusz Buick GMC (18 mi away)
Close
Located in Saint Louis, MO / 18 miles away from O Fallon, MO
CARFAX One-Owner. Clean CARFAX. Summit White 2020 Buick Encore GX Select FWD CVT ECOTEC 1.3L Turbo 30/32 City/Highway MPG 30/32 City/Highway MPGRecent...
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:
Listing Information:
VIN: KL4MMDSL2LB095149
Stock: B207677A
Certified Pre-Owned: No
Listed since: 05-13-2025 - 20,544 miles
- No accidents, 1 owner, personal use
- 5 Seats, 29 City / 32 Hwy MPG
- Lou Fusz Buick GMC (18 mi away)
Close
Located in Saint Louis, MO / 18 miles away from O Fallon, MO
CARFAX One-Owner. Clean CARFAX. Ebony Twilight Metallic 2022 Buick Encore GX Essence FWD CVT ECOTEC 1.3L Turbo 29/32 City/Highway MPG 29/32 City/Highw...
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/32 Highway)
Listing Information:
VIN: KL4MMFSL9NB083983
Stock: BZ04219P
Certified Pre-Owned: No
Listed since: 04-25-2025- New Listing
- 10,851 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 26 City / 29 Hwy MPG
- Sapaugh GM Country (39 mi away)
Close
Located in Herculaneum, MO / 39 miles away from O Fallon, MO
** We are 15 minutes south of St. Louis. Everyone leaves happy! Recent Arrival! Chili Red Metallic 2021 Buick Encore GX Essence AWD 9-Speed Automatic ...
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:
28 Combined MPG (26 City/29 Highway)
Listing Information:
VIN: KL4MMGSL0MB056188
Stock: 257434
Certified Pre-Owned: No
Listed since: 05-05-2025 - New Listing
- 955 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)
Close
Located in Washington, MO / 21 miles away from O Fallon, MO
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 - 7,717 miles
- No accidents, 1 owner, personal use
- 5 Seats, 26 City / 29 Hwy MPG
- Weber Chevrolet Creve Coeur (16 mi away)
- Five Star Dealer
Close
Located in Creve Coeur, MO / 16 miles away from O Fallon, MO
Recent Arrival! 2023 Buick Encore GX Select **ANOTHER WEBER 1-OWNER VEHICLE**, **BLUETOOTH HANDS FREE MOBILE**, **HEATED SEATS**, **KEYLESS ENTRY**, *...
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: KL4MMESL0PB127981
Stock: P16634
Certified Pre-Owned: No
Listed since: 05-08-2025- New Listing
- 5,031 miles
- No accidents, personal use only
- 5 Seats, 29 City / 31 Hwy MPG
- Sapaugh GM Country (39 mi away)
Close
Located in Herculaneum, MO / 39 miles away from O Fallon, MO
Recent Arrival! Aquamarine Blue Metallic 2 USB Ports (1 Type-A, 1 Type-C), 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 5.45 Final Drive...
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: KL4AMDSL6SB042472
Stock: 252049RR
Certified Pre-Owned: No
Listed since: 05-13-2025 - New Listing
- 5,093 miles
- No accidents, personal use only
- 5 Seats, 29 City / 31 Hwy MPG
- Sapaugh GM Country (39 mi away)
Close
Located in Herculaneum, MO / 39 miles away from O Fallon, MO
Recent Arrival! Ocean Blue Metallic 2 USB Ports (1 Type-A, 1 Type-C), 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 5.45 Final Drive Axle...
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: KL4AMDSLXSB040191
Stock: 252040RR
Certified Pre-Owned: No
Listed since: 05-15-2025 - Not Priced
- 6,821 miles
- No accidents, personal use only
- 5 Seats, 26 City / 28 Hwy MPG
- Sapaugh GM Country (39 mi away)
Close
Located in Herculaneum, MO / 39 miles away from O Fallon, MO
Cinnabar Metallic 2 USB Ports (1 Type-A, 1 Type-C), 3.17 Final Drive Axle Ratio, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 6-Way Manu...
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: KL4AMCSL8SB042600
Stock: 252048RR
Certified Pre-Owned: No
Listed since: 04-28-2025 - 13,311 miles
- No accidents, 1 owner, personal use
- 5 Seats, 29 City / 32 Hwy MPG
- Cassens & Sons (41 mi away)
Close
Located in Glen Carbon, IL / 41 miles away from O Fallon, MO
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/32 Highway)
Listing Information:
VIN: KL4MMFSL8PB121013
Stock: 19234
Certified Pre-Owned: No
Listed since: 03-07-2025- 7,622 miles
- No accidents, 1 owner, personal use
- 5 Seats, 29 City / 32 Hwy MPG
- Suntrup Buick GMC (8 mi away)
Close
Located in Saint Peters, MO / 8 miles away from O Fallon, MO
This vehicle is a 2023 Buick Encore GX Essence, a low mileage, low emission, and fuel efficient vehicle. It has a 1.3 liter 3 cylinder engine with tur...
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/32 Highway)
Listing Information:
VIN: KL4MMFSL8PB116555
Stock: P6659
Certified Pre-Owned: No
Listed since: 05-09-2025- Price Drop
- 15,142 miles
- No accidents, 1 owner, corporate fleet vehicle
- 5 Seats, 26 City / 29 Hwy MPG
- Suntrup Buick GMC (8 mi away)
Close
Located in Saint Peters, MO / 8 miles away from O Fallon, MO
This 2023 Buick Encore GX is a state-of-the-art crossover with all wheel drive and a 1.3 liter 3 cylinder engine. It has low mileage of 15,142 miles a...
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/29 Highway)
Listing Information:
VIN: KL4MMGSL6PB119136
Stock: P6619
Certified Pre-Owned: No
Listed since: 04-30-2025 - New Listing
- 28,246 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 29 City / 31 Hwy MPG
- Sapaugh GM Country (39 mi away)
Close
Located in Herculaneum, MO / 39 miles away from O Fallon, MO
** We are 15 minutes south of St. Louis. Everyone leaves happy! Recent Arrival! Cinnabar Metallic 2023 Buick Encore GX Select FWD CVT ECOTEC 1.2L Turb...
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: KL4MMDS26PB050857
Stock: 2571801
Certified Pre-Owned: No
Listed since: 05-10-2025 - New Listing
- 7,975 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 26 City / 29 Hwy MPG
- AutoCenters Nissan (39 mi away)
Close
Located in Herculaneum, MO / 39 miles away from O Fallon, MO
ONE OWNER with ZERO ACCIDENTS, All Wheel Drive, Encore GX Select, 4D Sport Utility, AWD, Rosewood Metallic, 18" Machined Aluminum Wheels, 3.17 Final D...
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: KL4MMESL2PB081618
Stock: RK84383
Certified Pre-Owned: No
Listed since: 05-13-2025 - Price Drop
- 20,141 miles
- 1 accident, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- Hertz Car Sales St. Louis (22 mi away)
Close
Located in Florissant, MO / 22 miles away from O Fallon, MO
At Hertz Car Sales, view our thousands of vehicles with pricing often below market value! Take advantage of no-haggle pricing, our 7 day/250 mile Buy ...
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/31 Highway)
Listing Information:
VIN: KL4AMDSL1RB156776
Stock: 58745
Certified Pre-Owned: No
Listed since: 05-01-2025 - New Listing
- 5,658 miles
- 5 Seats, 29 City / 31 Hwy MPG
- Sapaugh GM Country (39 mi away)
Close
Located in Herculaneum, MO / 39 miles away from O Fallon, MO
Moonstone Gray Metallic 2 USB Ports (1 Type-A, 1 Type-C), 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 5.45 Final Drive Axle Ratio, 6 Sp...
AutoCheck Vehicle History Summary Unavailable.
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL8SB041162
Stock: 252026R
Certified Pre-Owned: No
Listed since: 01-13-2025
Showing 22 - 42 out of 505 listings
Filters
Skip to ResultsApplied Filters4Active
Make & Model
Year
New / Used
Price & Payments
Price Rating
Body Type
Trim
Mileage
Accidents & History
Engine & Drivetrain
Exterior Color
Interior Color
Total Seating
Edmunds Review
Features
Options & Packages
MPG
* Delivery of any kind does not apply to Alaska and Hawaii. Contact the dealer for delivery details, restrictions and costs.