2026 GMC Acadia AT4

  • Used
Photos Coming Soon

This GMC Acadia AT4 of is new to our inventory, but check to see if we can get you early access to photos!

Request Photos
$54,995Details
SIMPSON CADILLAC OF BUENA PARK
Location Details
Call 714-696-6500
We’re here to help

    The overview

    Exterior Color
    Sterling Metallic
    Interior Color
    Forest Storm w/Mahogany Accents, Cloth/CoreTec sea
    Odometer
    4,517 miles
    Fuel Economy
    20/23 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    AWD
    Engine
    2.5L Turbo engine
    VIN
    1GKENPKSXTJ178726
    Stock Number
    C178726
      • Max seating capacity: 7
      • Fuel System: Direct Injection
      • Fuel tank capacity: 21 gal
      • Horsepower: 328
      • Towing capacity: 5000 lbs
      • 15" diagonal GMC Premium Infotainment System with available Google built-in:
        • Multi-touch display, AM/FM/SiriusXM1 capable
        • Connected apps2, and personalized profiles for each driver's setting
        • Natural voice recognition and phone integration
        • Wireless Apple CarPlay™3/Wireless Android Auto™4 capability for compatible phones
      • Active Noise Cancellation, driveline:
        • This technology helps keep the cabin quieter by cancelling unwanted powertrain and road sound inputs
      • Active Noise Cancellation, engine noise:
        • This technology blocks and absorbs sound, as well as dampens and eliminates vibrations, helping to leave outside noise where it belongs
        • Intelligently measures road surface variation and uses the Bose audio system to actively cancel road-induced noise
      • Bose premium audio system:
        • Enjoy clear, true sound reproduction
        • 12 speaker system with sub-woofer
      • SiriusXM with 360L Trial Subscription:
        • With your trial subscription, new GM vehicles equipped with SiriusXM with 360L advance in-car technology will bring you closer to your favorite stars, artists, creators, hosts and athletes1
        • SiriusXM with 360L transforms your ride with our most extensive and personalized radio experience on the road that lets you enjoy ad-free music, talk and news, live sports, comedy, podcasts and more
        • Experience SiriusXM wherever you go in your vehicle and on the SiriusXM app with personalization features to make discovering your perfect entertainment easier than ever before
      • Wi-Fi® Hotspot capable:
        • Terms and limitations apply. See onstar.com or dealer for details.
      • 18" Dark machined aluminum wheels:
        • 18" x 8" (45.7 cm x 20.3 cm)
      • 18" all-terrain blackwall tires:
        • 265/65R18
      • 18" compact spare tire:
        • compact spare, T135/70R18, blackwall
        • Mechanical jack and tools included
      • 18" spare steel wheel:
        • 18" x 4.5" (45.7 cm x 11.4 cm)
        • Includes 18" spare tire and mechanical jack with tools
      • Acoustic laminated glass:
        • Helps keep out traffic and road noises
        • Includes both laminated front side and windshield glass
        • May require additional optional equipment
      • AutoSense power liftgate:
        • You can also press the liftgate open button on the key fob or use the interior or exterior release buttons
        • Electronic obstacle detection will reverse an automatic open or close if it senses something in its path to help prevent damage to the liftgate
        • The liftgate will open automatically when the key fob is within 3 feet of the rear of the vehicle for 3 seconds. 4 beeps sound before the liftgate will open.
        • To disable or enable AutoSense, press and hold the liftgate handle touchpad until the taillights flash
      • Body-color door handles
      • Deep-tinted glass:
        • All windows, except the driver and front passenger side glass, feature deep tinting
        • Increases privacy for you and your passengers
        • Provides added protection from sun and glare
      • Front intermittent wipers:
        • Variable-speed
        • Washers to keep the windshield clean
      • Front license plate bracket:
        • Front bracket is included if displaying a front license plate is required in your state
      • Gloss Black roof-mounted side rails:
        • Enhances the appearance of your vehicle
      • Heated power outside mirrors with integrated turn signal indicators:
        • Both mirrors are heated and are activated when the rear defogger is engaged, helping to clear them of ice, snow and frost to help improve visibility
        • Manual-folding feature lets you fold the mirrors in
        • Integrated turn signal indicators help communicate your intention to change lanes
      • Heated wiper park:
        • Heated grids embedded in the windshield glass help keep wiper blades from freezing to the glass surface
        • Grids are located in the "park" or rest positions of both blades
        • Additionally, there is a heated grid for the driver's side windshield wiper in its most vertical wiping position, to help prevent ice accumulation at that location
        • Operation of the heated grids is automatic and tied to the rear window defrost feature
        • May require additional optional equipment
      • High Gloss Black upper door moldings
      • IntelliBeam:
        • At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1
      • Molded bodyside moldings
      • Rear intermittent wiper:
        • Variable-speed
        • Washer to help keep rear window clear
        • When not in use, the wiper is concealed by the rear spoiler for a seamless appearance
      • Rocker moldings, molded color
      • Solar-absorbing windows, rear side:
        • privacy tinting
      • Wheel moldings, mold-in-color Black
      • 11" diagonal Driver Information Center:
        • With high-contrast display
        • Reconfigurable segmented display
        • Includes driver personalization, warning messages and vehicle information
        • Includes warning messages and vehicle information
      • 2-way power lumbar driver seat controls:
        • Lumbar area expands and retracts to provide lower back support
      • 2-way power lumbar front passenger seat controls:
        • Lumbar area expands and retracts to provide lower back support
      • 6-way power front passenger seat adjuster:
        • Seat position forward and back
        • Seat position up and down
        • Recline seatback forward and back
        • Also includes 2-way power lumbar
      • 7-passenger seating:
        • Provides a 2-2-3 configuration for optimum passenger capacity and comfort
        • Second row includes 2 flat-folding captain's chairs with Smart Slide allowing quick and easy access to third row seating area with a simple pull of a lever
        • Third row manual folding 60/40 split bench seat
      • 8-way power driver seat:
        • Seat position forward and back
        • Seat position up and down
        • Tilt seat cushion up and down
        • Recline seatback forward and back
        • Also includes 2-way power lumbar
      • Adaptive Cruise Control:
        • Automatically follows a detected vehicle ahead at a driver-selected following gap1
        • If no vehicle is detected in your path, works like regular cruise control
        • You can always override the feature and take control
      • Automatic Occupant Sensing display
      • Compass display
      • Cupholders:
        • 2 in front door panel
        • 2 in third row
        • 4 in front center console
        • 2 in second row door panel
      • Front carpeted floor mats:
        • Helps protect your interior from road debris and the elements
        • Engineered to fit your vehicle
      • Front center console:
        • Covered storage
        • Includes rear storage
        • 4 cup holders
      • Front sill plates:
        • Chrome
      • Head-Up Display - 8" diagonal:
        • Projects vehicle information onto the windshield just below the driver's line of sight to help keep your eyes on the road1
      • Headrest, third row, center
      • Heated and ventilated driver and front passenger seats:
        • Keep cool in summer and warm in winter with these heated and ventilated seat cushions and seatbacks
        • Separate buttons on the climate control panel allow you to choose from 3 levels of warmth or cool
        • May require additional optional equipment
      • Heated driver and front passenger seats:
        • Separate buttons on the climate control panel allow you to choose from 3 levels of warmth
        • At the touch of a button you can warm the cushions and seatbacks
        • Individually controlled
      • Heated rear outboard seats:
        • At the touch of a button you can warm the cushions and seatbacks
        • Provide comfort in cold weather for passengers in the rear outboard seating positions
        • Allows rear passengers to choose from 3 levels of warmth
        • May require additional optional equipment
      • Heated steering wheel:
        • Can turn on/off manually by pressing the button on the steering wheel
      • Interior humidity sensor:
        • Continuously reads the temperature and humidity inside the vehicle
        • Automatically adjusts airflow to match the individual climate settings for both the driver and front passenger
      • Interior lighting:
        • Ambient lighting: selectable, multi-color accent lighting
        • Theater dimming and delayed entry/exit lighting as you enter or leave the vehicle
        • Front reading lights
        • Second row reading lamps integrated into dome light
        • Illuminated entry and exit feature
        • Door and tailgate activated switches
      • Keyless Open:
        • With the key fob in your possession, locks and unlocks your vehicle's doors without having to use the key fob, increasing convenience
        • Lockout protection helps you avoid locking keys in the vehicle
        • Keep your keys in your purse or pocket to open your vehicle
      • Keyless Open and Start:
        • With the key fob in your possession, allows you to lock and unlock your car's doors without having to use the key fob, increasing convenience
        • With the vehicle in Park, 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
      • 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
      • Power door locks:
        • Programmable
        • Allows you to lock and unlock doors easily whether it's from the driver or front passenger seat or from outside using the key fob
        • Lockout protection helps you avoid locking keys in the vehicle
      • Power outlets:
        • 1 located in the center stack under the climate controls
        • 1 located in the rear cargo area
      • Power windows with driver express-up/down and front and rear passenger express-down
      • Rear Camera Mirror:
        • Uses a camera to provide you with the option of using a wide and less obstructed view behind your vehicle while driving instead of a traditional rearview mirror1
        • The feature also allows brightness, vertical tilt and zoom adjustments
        • May require additional optional equipment
      • Rear USB ports:
        • dual, charge only1
      • Rear carpeted floor mats:
        • Helps protect your interior from road debris and the elements
      • Rear climate controls:
        • Rear manual controls allow rear seat passengers to adjust airflow and temperature for their personal comfort
      • Rear window defogger:
        • Helps to keep your rear view clear of fog or frost
        • Utilizes a warming grid to help remove fog or frost from the rear window
      • Remote Start:
        • Start your vehicle remotely and step into a comfortably warmed or cooled vehicle, depending on the weather and your preset preferences
        • Locks doors and turns on parking lamps while the engine is running
        • If equipped, and under certain weather conditions, the heated seats and steering wheel will be activated
        • Activates the climate control system
      • Skid plate:
        • Helps protect the engine compartment
        • Steel, covering front approach and under body
      • Sport-style steering wheel
      • Tilt and telescopic steering column:
        • Allows the driver to adjust the steering column up or down and forward or back
        • Power with memory feature
      • Tri-zone automatic climate control:
        • Automatically maintains the selected temperatures for the driver, front passenger and rear seat passengers
        • Sensors strategically located around the vehicle constantly monitor the temperature, including solar heating from the windows
        • Choose a temperature setting for one or all of the three separate zones, and the system does the rest
      • USB ports:
        • 6 USB ports1
        • First row includes 2 USB charge and data ports1
        • Second row includes 2 USB charging-only ports1
        • Third row includes 2 USB charging-only ports1
      • USB ports:
        • single charge1
      • 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 potential vehicle issues
      • Wireless Charging:
        • Uses induction technology for portable electronic devices
      • 2.5L Turbo engine:
        • 328 hp @ 5500 rpm
        • 326 lb-ft of torque @ 3500 rpm
        • Variable Valve Timing and Spark Ignition Direct Injection
        • Dual Overhead Camshaft design
      • 4-wheel antilock disc brakes:
        • Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
      • 6,394 lbs. (2900 kg) GVWR
      • 8-speed automatic transmission:
        • Electronically controlled with overdrive
        • Smooth, effortless automatic shifting
        • Paired with 2.5L Turbo Engine
      • Active Torque Control AWD System:
        • Specially tuned AWD for off-road and multi-terrain environments to enhance handing and stability
        • Helps improve driver control by independently directing torque through a twin-clutch rear axle design that directs torque to the rear wheel with the best traction in poor road conditions
      • All-wheel drive:
        • Allows drivers to activate or deactivate AWD system depending on weather situations or needs
        • Helps you stay in control in low-traction situations like rain, sleet and snow
      • Automatic Stop/Start:
        • At complete stops, when drivers keep their foot on the brake pedal, and under certain conditions, the engine shuts off
        • When drivers remove their foot from the brake, the engine automatically restarts
        • Under certain circumstances, the engine will not shut off at a complete stop
        • Includes disable button with each engine cycle
      • Dual-outlet exhaust:
        • Bright stainless steel tips
        • May require additional optional equipment
      • E10 fuel capable:
        • Allows your vehicle to operate on a fuel mixture of 10% ethanol and 90% gasoline that is sold in many parts of the country
      • Engine control stop/start with disable button
      • Heavy-duty cooling system:
        • Engineered to help your engine dissipate heat to help prevent temporary overheating during severe operating conditions
        • May require additional optional equipment
      • Mechanical jack with tools:
        • For use with spare wheel
      • Red recovery hooks:
        • Two front frame-mounted1
      • Suspension, Performance:
        • May require additional optional equipment
      • Assisted Driving Package:
        • Lane Keep Assist with Lane Departure Warning1
        • 120-volt, 3 prong household style power outlet
        • Intersection Automatic Emergency Braking1
        • Enhanced Automatic Emergency Braking1
        • Rear Pedestrian Alert1
        • Side Bicyclist Alert1
        • HD Surround Vision1
        • Traffic Sign Recognition1
        • Active Noise Cancellation
      • Driver Convenience Package:
        • Remote Start
        • Driver and front passenger heated seats
        • Driver 8-way power seat
        • Driver 4-way power lumbar seat control
        • 4-spoke steering wheel offers a secure, comfortable grip
        • Heated steering wheel
        • AutoSense Hands-Free power programmable liftgate
      • Luxury Package:
        • Heated rear outboard seats
        • Heated wiper park
        • 8" diagonal Head Up display
        • On AT4, heated and ventilated driver and front passenger seat cushions and seat backs are included.
      • Trailering Package:
        • 7-pin wiring harness
        • Class III hitch
        • Heavy-duty cooling system
        • Hitch Guidance with Hitch View1
        • Factory installed hitch, 5000 lbs towing
        • 220-amp alternator
        • May require additional optional equipment
      • Airbags:
        • Driver and passenger frontal
        • A front center airbag for the driver and front outboard passenger
        • Seat-mounted side-impact airbags for driver and front passenger1
        • Roof-rail mounted head-curtain for all outboard seating positions
        • Passenger sensing system for front passenger1
      • Blind Zone Steering Assist:
        • Can alert you and provide a brief, firm turn of the steering wheel when a potential crash is detected with a moving vehicle in the lane you're entering1
      • 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
      • Front Pedestrian and Bicyclist Braking:
        • At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian or bicyclist it detects directly in front of you1
        • Provides alerts and can automatically provide hard emergency braking or enhance driver's hard braking
        • Limited nighttime and low visibility performance
      • HD Surround Vision:
        • Provides selectable digital camera views of the area around your vehicle1
        • Can help you park or avoid vehicles and objects1
        • You can also display a guideline to show where your vehicle is heading1
      • Hitch Guidance:
        • When in Reverse, displays a centered guideline on the Rear Vision Camera view1
        • Can help you line up the hitch to your trailer
        • When driving, lets you check the trailer using Rear Vision Camera view
        • May require additional optional equipment
      • Hitch View:
        • Shows a close-up view of the trailer hitch1
        • In Reverse, the view can be used to line up your hitch to your trailer
        • When driving, the view can be used to check your trailer hitch
        • Shifting to Park automatically engages the Electric Parking Brake (if equipped)
        • May require additional optional equipment
      • LATCH System:
        • Lower Anchors and Tethers for CHildren system helps make it easy to install and secure a compatible child restraint seat
      • 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® services capable:
        • See onstar.com for details and limitations. Services vary by model. Service plan required.
      • Passenger Sensing System:
        • Automatically switches the front passenger seat frontal airbag on or off and illuminates a status light that indicates whether the airbag is on or off1
      • 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 Pedestrian Alert:
        • When you're in Reverse, alerts you to detected pedestrians directly behind your vehicle1
        • Limited nighttime and low visibility performance
      • 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 Information Center
        • Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
      • Safety Alert Seat:
        • Uses left-, right- or both-side driver seat vibration pulses to help you detect and identify the direction of potential crashes1
        • You can also switch to beeping crash avoidance alerts
      • Seat belt restraint pretensioner, rear
      • Seat belts, 3-point driver and front passenger:
        • includes pretensioners and load limiters
      • Side Bicyclist Alert:
        • Alerts you to a detected bicyclist that is approaching a side blind zone1
        • During a brief time after parking, the feature can alert you when a detected bicyclist is approaching so you don't open your door
      • 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 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
        • Includes Tire Fill Alert1
      • Traffic Sign Recognition:
        • Can display detected speed limit signs in your instrument cluster1
        • Can also chime when you may be speeding, or a new speed limit sign is detected2
      • Electronic parking brake:
        • Activated by the simple touch of a switch and can be operated even when the ignition is turned off
        • Brake is automatically set if the system senses the vehicle is parked on a steep incline
        • To release the parking brake, turn on the ignition, press the brake pedal, and then press the "P" switch
      • Enhanced Automatic Emergency Braking:
        • Can help you avoid or reduce the severity of collisions with a detected vehicle you're following1
        • Radar and camera technology are used to automatically provide hard emergency braking or enhance the driver's hard braking
        • Works at speeds above 2 mph
      • Hill Descent Control:
        • Uses antilock braking to help provide a smooth, controlled descent
        • Helps driver maintain control of the vehicle without depressing the brake pedal
        • Activates by pushing a button on the instrument panel
      • Intersection Automatic Emergency Braking:
        • Can help you avoid or reduce the severity of an intersection collision with a detected cross-traffic vehicle1
        • Can automatically provide hard emergency braking or enhance your hard braking
      • LED Reflective Windshield Collision Alert:
        • A function of Forward Collision Alert
        • Can provide a flashing red windshield collision alert drawing your eyes to the road when certain front collision threats are detected1
        • May require additional optional equipment
      • Rear Cross Traffic Braking:
        • When in Reverse, alerts you or automatically provides hard emergency braking to prevent a collision with detected vehicles crossing behind you1
      • Reverse Automatic Braking:
        • Alerts you and/or automatically provides hard emergency braking when in Reverse1
        • Can help avoid collisions with detected vehicles and objects directly behind you
      • 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
        • Activates when vehicle sensors detect a difference between the driver's intended path and the direction the vehicle is actually travelling
        • Includes Traction Control that detects wheel slippage and applies brake pressure and/or reduces engine power to help the driver maintain control when accelerating on wet or snow-covered roads
      Introducing the 2026 GMC Acadia AT4, a stunning and capable SUV that's ready to elevate your driving experience. This exceptional vehicle combines rugged performance, advanced technology, and unparalleled luxury, making it the perfect choice for the discerning buyer.

      Highlighted features of this Acadia AT4 include:

      - Previous Dealer Loaner
      - Sterling Metallic Gray Exterior
      - Luxury Package with Heated and Ventilated Front Seats, Heated Rear Outboard Seats, and 8 Diagonal Head-Up Display
      - Navigation System
      - Bose Premium 12-Speaker Audio System

      Powered by a 2.5L DOHC engine and equipped with an 8-speed automatic transmission and AWD, this Acadia delivers a smooth and responsive ride, whether you're navigating city streets or tackling off-road adventures. With an impressive fuel economy of 20 MPG in the city and 23 MPG on the highway, this SUV offers exceptional efficiency without sacrificing performance.

      Step inside the Acadia AT4, and you'll be greeted by a spacious and well-appointed interior that exudes sophistication. The Luxury Package elevates the experience with features like the 8 Diagonal Head-Up Display, which projects vital information directly into your line of sight, and the heated and ventilated front seats, providing unparalleled comfort in any weather. The Bose Premium 12-Speaker Audio System will immerse you in a captivating audio experience, while the Navigation System ensures you always arrive at your destination with ease.

      This Acadia AT4 also boasts a host of advanced safety features, including Automatic High-Beam Headlights, Front and Rear Park Assist, and a Rear Vision Camera, giving you the confidence to navigate the road with peace of mind.

      Whether you're seeking a versatile family hauler, a capable off-road companion, or a luxurious daily driver, the 2026 GMC Acadia AT4 is the perfect choice. Experience the perfect blend of power, technology, and refinement by scheduling a test drive today. We're confident this exceptional SUV will exceed your expectations and become an integral part of your lifestyle.

      KBB.com Consumer Reviews

      Kelley Blue Book Logo4.1out of 5 overall
      • 5.0

        comfort

        by edgar 50 on 2/27/2026 12:38:50 PM

        for me the Acadia well made spacious it is like having the origanal chevy trail blazer with the extened body type need to get acustomed to all new gadgets sorry bad spelling very early…
      • 5.0

        Excellent SUV for the price

        by Research Nerd on 12/4/2025 2:45:46 PM

        My wife bought this car a month ago after researching many others. Test drove the Acadia Denali and fell in love. I like all the space it has, but doesn't look and drive like a "big" SUV. The Denali adds a lot of comfort items that you don't necessarily think about. Fun to drive, my favorite feature is the HUD. You don't have took at the GPS, speedometer, nothing. Just look at the road and enjoy the drive. Bravo GMC…
      • 5.0

        Excellent

        by BigG on 6/24/2025 9:36:24 PM

        Very nice SUV,. It is a Beautiful red car and it has all the bells and whistles. The car will be a year old in August and has only 2800 miles on it. Interior is light in color with a third row of seats. 21 inch wheels with top of the line rims.…
      All reviews on KBB.com
      Based on 7 consumer ratings for 2024–2026 models. Privacy
        Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm.  To minimize exposure, avoid breathing exhaust, do idle the engine except as necessary, service your vehicle in a well-ventilated area, and wear gloves or wash your hands frequently when servicing your vehicle.  For more information, go to www.p65warnings.ca.gov/products/passengers-vehicle