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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533 listings
- $22,227good price$2,111 below market
- 12,617 miles
- No accidents, 1 owner, personal use
- 5 Seats, 29 City / 31 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 vehicle is a 2023 Buick Encore GX Preferred, with low mileage of 12,617 miles. It is equipped with a 1.2 liter 3 cylinder turbocharged engine, an...
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: KL4MMBS26PB083877
Stock: P6680
Certified Pre-Owned: Yes
Listed since: 05-19-2025 - Price Drop$22,296good price$1,623 below market
- 19,077 miles
- No accidents, 1 owner, personal use
- 5 Seats, 26 City / 29 Hwy MPG
- Lou Fusz Chrysler Jeep Dodge Ram (2 mi away)
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Located in O Fallon, MO / 2 miles away from O Fallon, MO
Come see this 2023 Buick Encore GX Preferred. Its Automatic transmission and Turbocharged 1.3/ engine will keep you going. This Buick Encore GX featur...
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: KL4MMCSL5PB142934
Stock: DZ04296P
Certified Pre-Owned: No
Listed since: 05-23-2025 - $23,029good price$1,156 below market
- 5,803 miles
- No accidents, 1 owner, corporate fleet vehicle
- 5 Seats, 30 City / 31 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 2024 Buick Encore GX Preferred, with low mileage of 5,803 miles. It is equipped with a 1.2 liter 3 cylinder turbocharged engine, and...
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 (30 City/31 Highway)
Listing Information:
VIN: KL4AMBS2XRB039001
Stock: P6675
Certified Pre-Owned: No
Listed since: 05-14-2025 - Price Drop$17,677fair price$91 below market
- 57,698 miles
- No accidents, 2 owners, rental vehicle
- 5 Seats, 28 City / 31 Hwy MPG
- Napleton's Mid Rivers Kia (8 mi away)
- Home delivery*
Close
Located in Saint Peters, MO / 8 miles away from O Fallon, MO
2021 Buick Encore GX 4D Sport Utility Preferred ECOTEC 1.2L Turbo FWD Clean CARFAX.Service Work completed on this Buick Encore GX includes: Complet...
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:
29 Combined MPG (28 City/31 Highway)
Listing Information:
VIN: KL4MMBS23MB117978
Stock: KP5708
Certified Pre-Owned: No
Listed since: 05-26-2025 - New Listing$20,797good price$1,403 below market
- 27,065 miles
- No accidents, 1 owner, personal use
- 5 Seats, 29 City / 31 Hwy MPG
- EchoPark Automotive St. Louis (7 mi away)
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Located in Chestefield, MO / 7 miles away from O Fallon, MO
At EchoPark, it’s all about offering you options for a happy experience. We have thousands of new-to-you makes and models that range from sedans to tr...
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: KL4MMDS26PB120695
Stock: PPB120695
Certified Pre-Owned: No
Listed since: 06-25-2025 - Price Drop$22,788good price$1,689 below market
- 10,271 miles
- No accidents, 1 owner, personal use
- 5 Seats
- AutoCenters Nissan (39 mi away)
Close
Located in Herculaneum, MO / 39 miles away from O Fallon, MO
ONE OWNER with ZERO ACCIDENTS, Experience Buick Package, Sport Touring Package, Hands-Free Power Liftgate Package, Panoramic Roof, Heated Front Bucket...
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: KL4MMDSL8PB164951
Stock: R84199
Certified Pre-Owned: No
Listed since: 04-24-2025 - $26,995good price$1,611 below market
- 6,913 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 26 City / 28 Hwy MPG
- Laura Buick GMC (39 mi away)
Close
Located in Collinsville, IL / 39 miles away from O Fallon, MO
This Certified Pre-Owned vehicle comes with the following benefits: -12-month/12,000-mile Bumper-to-Bumper Limited Warranty (whichever comes first) fr...
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: KL4AMESL5RB214703
Stock: L246595A
Certified Pre-Owned: Yes
Listed since: 06-14-2025 - Price Drop$25,912good price$928 below market
- 16,310 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
2023 Buick Encore GX Essence **ANOTHER WEBER 1-OWNER VEHICLE**, **BLUETOOTH HANDS FREE MOBILE**, **HEATED SEATS**, **KEYLESS ENTRY**, **REMOTE START**...
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: KL4MMGSL8PB113029
Stock: P16584
Certified Pre-Owned: No
Listed since: 04-10-2025 - $25,913fair price$196 below market
- 12,531 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
The 2023 Buick Encore GX Essence is a vehicle that is sure to turn heads. This FWD, 1.3 liter ECOTEC Turbo I3 155hp 174 lb-ft engine, direct injection...
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: KL4MMFSL0PB116758
Stock: P6719
Certified Pre-Owned: Yes
Listed since: 06-13-2025 - Price Drop$21,780fair price$565 below market
- 16,640 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 30 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! Ebony Twilight Metallic 2024 Buick Encore GX Preferred FWD CVT ECOTEC 1.2L Turbo Ebony...
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 (30 City/31 Highway)
Listing Information:
VIN: KL4AMBS25RB003314
Stock: 257211
Certified Pre-Owned: No
Listed since: 03-19-2025 - Price Drop$31,835fair price$1,047 below market
- 3,318 miles
- No accidents, 1 owner, 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
** We are 15 minutes south of St. Louis. Everyone leaves happy! New Price! Ebony Twilight Metallic 2025 Buick Encore GX Avenir AWD 9-Speed Automatic E...
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: KL4AMGSL4SB040608
Stock: 2521231
Certified Pre-Owned: No
Listed since: 05-02-2025 - $22,638fair price$307 below market
- 19,338 miles
- No accidents, 1 owner, personal use
- 5 Seats, 29 City / 31 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 Preferred, boasting low mileage with 19,338 miles. It is a FWD, 1.2 liter 3 cylinder engine, turbocharged motor...
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: KL4MMBS28PB132142
Stock: P6599
Certified Pre-Owned: No
Listed since: 04-08-2025 - $26,740fair price$195 below market
- 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 Essence is a state-of-the-art vehicle with low mileage and features such as an all wheel drive system, 1.3 liter 3 cylinder ...
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 - Price Drop$21,842good price$882 below 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 AWD - Sport Touring Pkg - Heated Seats, 4D Sport Utility, AWD, Ebony Twilight Metalli...
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 - Price Drop$25,895fair price$203 above market
- 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
2023 Buick Encore GX Select **ANOTHER WEBER 1-OWNER VEHICLE**, **BLUETOOTH HANDS FREE MOBILE**, **HEATED SEATS**, **KEYLESS ENTRY**, **REMOTE START**,...
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 - $19,500fair price$102 below market
- 34,720 miles
- No accidents, 1 owner, personal use only
- 5 Seats
- George Weber Chevrolet Columbia (33 mi away)
Close
Located in Columbia, IL / 33 miles away from O Fallon, MO
Recent Arrival! Satin Steel Metallic 2021 Buick Encore GX **LOCAL TRADE, ONE OWNER, NO ACCIDENTS!**, **CARBRAVO CERTIFIED!**, 18 Machined Aluminum Whe...
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: KL4MMDSL5MB069856
Stock: T260021A
Certified Pre-Owned: No
Listed since: 06-20-2025 - 4,883 miles
- No accidents, 1 owner, personal use
- 5 Seats, 30 City / 31 Hwy MPG
- CarMax St. Louis Mid Rivers Mall (7 mi away)
Close
Located in Saint Peters, MO / 7 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 (30 City/31 Highway)
Listing Information:
VIN: KL4AMBS28RB026912
Stock: 27437560
Certified Pre-Owned: No- $22,999good price$1,162 below market
- 52,352 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 26 City / 29 Hwy MPG
- Enterprise Car Sales South Lindbergh (26 mi away)
- Home delivery*
Close
Located in Saint Louis, MO / 26 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/29 Highway)
Listing Information:
VIN: KL4MMGSL9PB021380
Stock: 8DQQ4R
Certified Pre-Owned: No
Listed since: 05-12-2025 - $24,948fair price$808 above market
- 7,983 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 - 17,496 miles
- No accidents, 1 owner, rental vehicle
- 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: 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- New Listing$18,495fair price$54 above market
- 50,303 miles
- No accidents, 1 owner, personal use only
- 5 Seats
- Laura Buick GMC (39 mi away)
Close
Located in Collinsville, IL / 39 miles away from O Fallon, MO
This Certified Pre-Owned vehicle comes with the following benefits: -12-month/12,000-mile Bumper-to-Bumper Limited Warranty (whichever comes first) fr...
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: KL4MMDSL4LB106877
Stock: L253775A
Certified Pre-Owned: Yes
Listed since: 06-16-2025
Showing 1 - 21 out of 533 listings
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