2026 Buick Encore GX Avenir

  • New
$37,345MSRP
$34,444Final Price
The price listed above does not include a $599 administration fee, applicable tax, title, tags, license, delivery charges, or any dealer installed accessories.
Trade In Value
O'Fallon Buick GMC
Location Details
Call 636-200-3388
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    The overview

    Exterior Color
    White Frost Tricoat
    Interior Color
    Ebony seats with Ebony interior accents, Perforate
    Fuel Economy
    29/31 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    FWD
    Engine
    ECOTEC 1.3L Turbo engine
    VIN
    KL4AMFSL4TB229352
    Stock Number
    B26455
      • Basic: 3 Years/36,000 Miles
      • Corrosion: 3 Years/36,000 Miles, Rust-Through, 6 Years/100,000 Miles
      • Drivetrain: 5 Years/60,000 Miles
      • Maintenance: First Visit: 12 Months/12,000 Miles
      • Roadside Assistance: 5 Years/60,000 Miles
      • Warranty: <<< Preliminary 2026 Warranty >>>
      • Max seating capacity: 5
      • Fuel System: Direct Injection
      • Fuel tank capacity: 13 gal
      • Horsepower: 155
      • Bose premium audio system:
        • 7 premium speakers
        • Provide clear, authentic acoustic reproduction of your favorite music
        • Bose is renowned for expert sound engineering and high-quality audio and with premium speakers positioned throughout the cabin, you'll get rich, concert-like sound
        • May require additional optional equipment
      • SiriusXM Trial Subscription:
        • With your trial subscription, get access to all of your favorite entertainment from SiriusXM to enjoy in your vehicle and on the SiriusXM app - from ad-free music, talk and sports, to comedy, news, podcasts and more1
        • Enjoy channels curated by DJs, personalities and tastemakers for a listening experience you can't live without
        • Plus, take the full SiriusXM experience with you everywhere you go with the SiriusXM app - at home, on your phone or connected devices, and unlock other exclusives that bring you even closer to your favorite stars, artists, creators, hosts and athletes
      • Ultrawide 11" diagonal HD color touchscreen:
        • Ultrawide 11" diagonal HD color touchscreen1
        • Bluetooth®2 audio streaming for 2 active devices for compatible phones
        • Voice command pass-through to phone for compatible phones
        • Wireless Apple CarPlay™ capability for compatible phones3
        • Wireless Android Auto™ capability for compatible phones4
      • Wi-Fi® Hotspot capable:
        • Terms and limitations apply. See onstar.com or dealer for details.
      • Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones:
        • Can use Apple CarPlay1 and Android Auto2 wirelessly
      • 19" Avenir Premium Pearl Nickel aluminum:
        • Paired with all-season blackwall tires
      • 19" all-season tires:
        • May require additional optional equipment
      • Automatic on/off LED headlamps with delay feature:
        • LED lighting helps increase vehicle's visibility to other drivers, especially in low-light conditions
        • Exterior lamps control automatically activates the exterior lamps depending on outside lighting conditions if vehicle is set to 'Auto'
        • When you park and exit the vehicle, the automatic delay feature allows the headlamps to remain on to light your way
        • Once the ignition is turned off, headlamps will turn off automatically, after a set amount of time, to help save battery life
        • Delay settings are customizable
      • Body-color door handles with chrome strip
      • Compact spare tire
      • Front license plate bracket:
        • Front bracket is included if displaying a front license plate is required in your state
      • Hands-Free Power Liftgate:
        • LED projection marks the activation spot under the rear bumper
        • Opens or closes when the system senses the key fob and the driver places their foot on an image of the Buick tri-shield projected behind the vehicle
        • Alternatively, you can also open the power liftgate with either the key fob or interior power release switch
        • Electronic obstacle detection will reverse an automatic open or close if it senses something in its path to help prevent damage to the liftgate
        • May require additional optional equipment
      • Heated power outside mirrors:
        • Power-adjustable
        • Manual folding
        • Body-color
      • IntelliBeam:
        • At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1
      • LED clear lens tail lamps:
        • Last longer than traditional incandescent bulbs
        • Help improve visibility in low-light conditions
      • Panoramic power moonroof:
        • Tilts upwards or slides back for extra ventilation
        • A power sunshade can be closed when you want to block light from entering the cabin from above
        • May require additional optional equipment
      • QuietTuning™:
        • Buick QuietTuning™ combines several technologies to help reduce, block and absorb unwanted sounds for a quiet interior
        • Includes Active Noise Cancellation
      • Rainsense automatic wipers:
        • Turn on automatically when sensors detect varying degrees of precipitation on the windshield, and adjust the speed of the wipers to help keep the windshield clear
        • May require additional optional equipment
      • Roof-mounted side rails:
        • Enhances the appearance of your vehicle
        • Provides attachment points for accessory roof-mounted cargo solutions
      • 120-volt power outlet:
        • 3-prong auxiliary household-style outlet
        • Can be used to plug in electrical equipment, such as a cell phone or a portable device
        • Includes protective cover
      • 2-way power lumbar driver seat controls:
        • Lumbar area expands and retracts to provide lower back support
        • May require additional optional equipment
      • 2-way power lumbar front passenger seat controls:
        • Lumbar area expands and retracts to provide lower back support
      • 40/60 split-folding rear bench seat:
        • Can fold one or both sides down
        • 40 driver-side split and 60 passenger-side split
        • Combined with the fold flat passenger seat, enables the vehicle to accommodate objects up to 8 feet long diagonally
        • Adds cargo and passenger carrying versatility to your vehicle
        • Includes 4-way manual-adjustable headrests for outboard seating positions
      • 6-way power fold flat front passenger seat:
        • Forward and back
        • Up and down
        • Tilt seat cushion back and upright
        • Manual recline
        • Folds flat for a variety of passenger and cargo carrying configurations
      • 8" diagonal Driver Information Center:
        • Provides key vehicle information, such as vehicle speed, fuel range, average fuel economy, tire pressure, oil life, trip odometer and warning icons
        • Reconfigurable with selectable display format
      • 8-way power driver seat:
        • Forward and back
        • Up and down
        • Tilt seat cushion back and upright
        • Recline seatback up and down
        • May require additional optional equipment
      • All-weather floor liners:
        • Helps protect your interior from road debris and the elements
        • Covers both first and second rows
        • Engineered to fit your vehicle
        • Replaces factory floor mats
      • Assist handle:
        • Front passenger
      • Assist handles:
        • Rear outboard
      • Auxiliary electric heater:
        • Provides heat to interior before coolant temperature rises
        • May require additional optional equipment
      • Avenir door sill plate cover
      • Cargo cover:
        • Removable, helps keep items out of sight, offering security and privacy
      • Charging-only USB ports:
        • 2 ports (1 USB Type-A, 1 USB Type-C)1
        • Located on back of center console
      • Cruise control:
        • Maintains a selected speed while driving
        • Set and resume speed functions
        • Steering-wheel mounted controls to easily maintain and manage cruising speed
      • Dual-zone automatic climate control:
        • Automatically maintains the selected temperatures for both the driver and front passenger
      • Heated driver and front passenger seats:
        • Separate buttons on the climate control panel allow you to choose from 3 levels of warmth
        • May require additional optional equipment
      • Heated steering wheel:
        • With the press of a button, the steering wheel quickly heats up to provide additional comfort
        • May require additional optional equipment
      • Inside rearview auto-dimming mirror:
        • Automatically dims the inside rearview mirror when it senses bright light from behind
      • Key system:
        • Includes 2 fobs
      • Keyless Open and Start:
        • With the Keyless Entry fob in your possession, conveniently locks and unlocks your car's doors without having to use the key fob
        • Controls front doors or all four doors depending on model
        • With the vehicle in Park or Neutral, press the brake pedal and then press the engine start/stop button to start the engine; the green indicator on the button will illuminate
        • Shift to Park and press the engine start/stop button to turn off the engine
      • Memory settings:
        • Save preferences for up to two drivers for the outside mirrors and driver seat position
      • Power windows:
        • One-touch driver and all passengers express-down
      • Remote Start:
        • Start your vehicle remotely and step into a comfortably warmed or cooled vehicle, depending on the weather
        • May require additional optional equipment
      • USB ports:
        • 2 ports (1 USB Type-A, 1 USB Type-C)1
        • Located in the front of the center console
      • Universal Home Remote:
        • 3-channel programmable
        • Conveniently activates compatible devices such as garage door openers, security systems, and home automation devices from inside your vehicle
      • Vehicle health management:
        • Provides advanced warning of vehicle issues
      • Wrapped steering wheel:
        • Flat-bottom on Sport Touring
      • 4-wheel antilock disc brakes:
        • Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
      • Capless fuel fill:
        • Helps keep your hands clean of dirt and fuel during fill ups
        • Prevents paint scratches that can result from a tethered fuel cap
        • Creates a tight seal around the fuel-pump nozzle when the nozzle is fully inserted
      • Continuous Variable Transmission (CVT):
        • FWD models
      • ECOTEC 1.3L Turbo engine:
        • 155 hp @ 5600 rpm
        • 174 lb-ft torque @ 1600 rpm
        • Selectable Stop/start system (non-latching)
      • Ride and Handling suspension:
        • Fully independent suspension is tuned for a smooth ride and optimum handling
      • Trailering equipment:
        • 4-wire electrical harness and 4-pin sealed connector for connecting your trailer's lights to your vehicle
      • Avenir Convenience Package:
        • Hands-free power liftgate
        • Rainsense™ Wipers
        • Rear Park Assist1
        • Bose premium 7-speaker audio system
      • Buick Driver Confidence:
        • Automatic Emergency Braking1
        • Front Pedestrian Braking1
        • Lane Keep Assist with Lane Departure Warning1
        • Forward Collision Alert1
        • Following Distance Indicator1
        • IntelliBeam® auto high-beam assist1
      • LED Daytime Running Lamps:
        • Illuminate when your vehicle is running and headlamps are off
      • 3 Years OnStar One:
        • Safety Services, Wi-Fi, and In-Vehicle Apps, all connected by OnStar1
        • Safety Services, Wi-Fi, and In-Vehicle Apps, all connected by OnStar1
        • Info at OnStar.com/plans
      • Airbag system:
        • Frontal airbags for driver and front passenger1
        • Knee airbags for driver and front passenger1
        • Seat-mounted side-impact airbags for all outboard seating positions1
        • Head-curtain airbags for front and rear outboard seating positions1
        • Includes Passenger Sensing System which automatically switches the front passenger seat frontal airbag and knee airbag on or off and illuminates a status light that indicates whether the airbags are on or off1
      • Buckle to Drive:
        • Helps remind the driver to buckle their seat belt before driving by preventing the vehicle from being shifted out of PARK temporarily when the driver's seat belt is not buckled
        • The feature also reminds the front passenger to buckle up, if equipped
      • Following Distance Indicator:
        • Displays the following time in seconds between your vehicle and a detected vehicle in front of you1
        • Designed to help you maintain a safe following distance
      • Forward Collision Alert:
        • Warns you if it detects a potential collision with a detected vehicle you're following so you can take action1
        • Can also provide a tailgating alert if you're following a vehicle much too closely
      • HD Rear Vision Camera:
        • Shows high-resolution digital image of area directly behind your vehicle while in Reverse1
        • Can help you park or avoid vehicles and objects
        • You can also display an overlay of where your vehicle is heading
      • LATCH System:
        • Lower Anchors and Tethers for CHildren system helps make it easy to install and secure a compatible child restraint seat
      • Lane Change Alert with Side Blind Zone Alert:
        • Provides visual side-mirror alerts when a moving vehicle is detected either quickly approaching or already in your side blind zone1
        • Can help you avoid lane change collisions
      • Lane Keep Assist with Lane Departure Warning:
        • Uses a brief steering wheel turn to alert you when it detects you are unintentionally drifting out of your lane lines1
        • System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
        • You may receive additional Lane Departure Warning alerts if needed
      • OnStar Basics:
        • Drive confidently with core OnStar services including1
          • Remote commands
          • Built-in voice assistance
          • Real-time traffic and navigation
          • Automatic Crash Response to help if you're in need
      • OnStar® services capable:
        • See onstar.com for details and limitations. Services vary by model. Service plan required.
      • Rear Cross Traffic Alert:
        • When in Reverse, warns you of detected vehicles crossing behind you1
      • Rear Park Assist:
        • When in Reverse, provides alerts of nearby detected vehicles and objects behind your vehicle1
        • Alerts can help you park and avoid collisions
        • May require additional optional equipment
      • Rear Seat Reminder:
        • Helps to remind the driver to check the back seat(s) before leaving the vehicle1
        • Activates when rear doors are opened and closed up to 10 minutes before or anytime while your vehicle is on
        • Under certain conditions, once the vehicle is switched off, designed to sound audible chimes and display a visual message within the driver display
        • Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
      • Teen Driver:
        • Helps encourage safe driving habits for teens by providing an in-vehicle report card1
        • Activates certain safety systems, if equipped, when a Teen Driver-designated key fob is used
        • Mutes the radio until the front-seat occupants fasten their seat belts
      • Tire Fill Alert:
        • Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressure1
        • Requires vehicle to be started and driver door closed
      • Tire Pressure Display:
        • Displays the approximate pressure of all 4 tires1
      • Tire Pressure Monitoring System:
        • Monitors the pressure in each tire and alerts you if there is a low-pressure condition in one or more of the tires1
      • Automatic Emergency Braking:
        • Can help you avoid or reduce the severity of a collision with a detected vehicle you're following using camera technology1
        • Can automatically provide hard emergency braking or enhance your hard braking
        • Works at speeds between 5 and 50 mph
      • Front Pedestrian Braking:
        • At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian it detects directly in front of you1
        • Provides pedestrian alerts and can automatically provide hard emergency braking or enhance driver's hard braking
        • Limited nighttime and low visibility performance
      • StabiliTrak, electronic stability control system with traction control:
        • Automatically helps enhance control, particularly during emergency maneuvers, by adjusting the brakes and engine torque to help you stay on your intended path
      This NEW 2026 White Frost Buick Encore GX Avenir ECOTEC 1.3L Turbo CVT FWD is well equipped and includes these features and benefits: Avenir Convenience Package (Bose Premium 7-Speaker Audio System, Front Intermittent Rainsense Wipers, Hands Free Power Liftgate, and Rear Park Assist), Preferred Equipment Group 1SL, 2-Way Front Passenger Power Lumbar, 2-Way Power Driver Lumbar Control, 4-Wheel Disc Brakes, 5.45 Final Drive Axle Ratio, 6 Speakers, 6-Way Power Front Passenger Seat Adjuster, 8-Way Power Driver Seat Adjuster, ABS brakes, Air Conditioning, All-Weather Floor Liners, Alloy wheels, AM/FM radio: SiriusXM, Auto High-beam Headlights, Auto-dimming Rear-View mirror, Automatic temperature control, Brake assist, Bumpers: body-color, Compass, Delay-off headlights, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar and Buick connected services capable, Enhanced Performance 6-Speaker System, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front License Plate Bracket, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter, Heated door mirrors, Heated Driver and Front Passenger Seats, Heated front seats, Heated steering wheel, Illuminated entry, Knee airbag, Low tire pressure warning, Mechanical Jack with Tools, Memory seat, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Leather-Appointed Seat Trim, Power door mirrors, Power driver seat, Power Panoramic Tilt-Sliding Moonroof, Power passenger seat, Power steering, Power windows, Radio data system, Radio: AM/FM Audio System, Rear reading lights, Rear seat center armrest, Rear side impact airbag, Rear window defroster, Rear window wiper, Remote keyless entry, Ride and Handling Suspension, Security system, SiriusXM Trial Subscription, Speed control, Speed-sensing steering, Split folding rear seat, Spoiler, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trip computer, Variably intermittent wipers, Wheels: 19 Avenir Premium Pearl Nickel Aluminum, and Wireless Apple CarPlay/Wireless Android Auto.


      29/31 City/Highway MPG


      At O'Fallon Buick GMC, we're more than just a car dealership in O'Fallon. We're also members of the greater St Peters, Chesterfield, St Louis and St Charles MO communities, who work and live here just like you, and we want only what's best for our neighbors. We strive to support community initiatives and events, and we're committed to delivering the best customer service around.

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      A name you can trust

      O'Fallon Buick GMC is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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      KBB.com Consumer Reviews

      Kelley Blue Book Logo4.3out of 5 overall
      • 5.0

        Amazing Vehicle

        by warren on 3/15/2026 11:18:55 PM

        Spent 45 years in the auto service and parts buisness at dealerships. Drove everything. Bought my 2023 St 2 plus years ago, have 41000kms, runs like a dream. Took a trip from Northern Alberta to Charlottetown pei in September, got as high as 5.9 l per 100 kms, in Ontario 90km zone for 3 hrs. Most amazing small vehicle I have ever driven…
      • 5.0

        A great, small SUV

        by Bob H on 2/10/2026 8:59:18 PM

        Overall a great, small SUV. 1.3L turbo engine is surprisingly responsive and gas mileage is great @ 26+ mpg just driving around town. Highway add 3 easily. Takes regular gas as well. Holds plenty of items for 2 people even if back seats are not folded down. Do that you are good to go! I am 6’2”, 190lbs and seating is comfortable. Still haven’t sat in passenger or rear but I am confident they are comfortable.…
      • 4.0

        Very happy with our 2024 Encore GX Cute Ute !!

        by TerryM on 5/14/2025 12:22:16 AM

        My wife and I are very pleased with our 2024 Encore GX purchased used w/ only 2500 mi on the clock. The Encore GX is one of the current Buick lineup of 3 small SUVs for about $25k; I suspect these hidden gems are unknown to many Americans. Unfortunately Buick's focus on China has resulted in the Buick brand being all but forgotten in the US. The NHTSA has given a ***** Overall Safety Rating to the 2024 GX. I have one negative with the Encore -- I'm 6'-1" and the Encore is small for me. Some call the cabin "surprisingly roomy" for a sub-compact suv. Truth be said IT'S JUST SMALL. Likes * 1.2L Turbo engine surprisingly strong in city driving * Entry-level luxury at a moderate price * Fun to drive (some call it boring) * Lots and lots and ... of safety features * Excellent mileage (30+ mpg) for an ICE SUV * Sits up high (as a SUV should!) due to 18" wheels * Quiet cabin due to Buick's QuietTuning technology * Heated seats, steering wheel, outside mirrors * Physical buttons/knobs for radio, climate controls -great * Power hatch/liftgate w/ kick plate - very handy * Traction & Stability control Dislikes * 1.2L Turbo engine is somewhat challenged on the highway * Design same-same as every other small SUV on the road * Seats are narrow, hard and uncomfortable * Road noise is worse than expected for a Buick * Small cargo area w/o rear seat backs down * Insufficient legroom in back seats * Insufficient rear headroom for tall persons * AM/FM/Satellite radio difficult to program * VERY sensitive brakes and accelerator…
      All reviews on KBB.com
      Based on 26 consumer ratings for 2020–2026 models. Privacy
        Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

        1Dealer Discount applied to everyone
        *All pricing and details are believed to be accurate, but we do not warrant or guarantee such accuracy. Vehicle information is based off standard equipment and may vary from vehicle to vehicle. Call or email for complete vehicle information. Prices do not include additional fees and costs of closing, including government fees and taxes, any finance charges, $599 dealer documentation fee, any emissions testing fees, other fees required by law, vehicle sellers or lending organizations or other fees. All prices, specifications and availability subject to change without notice.  

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