2026 GMC Terrain AT4

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GMC of Mount Vernon
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    The overview

    Exterior Color
    Riverstone Metallic
    Interior Color
    Forest Storm w/Mahogany Accents, Cloth/CoreTec sea
    Fuel Economy
    24/26 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    AWD
    Engine
    1.5L Turbo 4-cylinder engine
    VIN
    3GKALYEGXTL486036
    • In Transit
    • 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, Certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
    • Maintenance: First Visit: 12 Months/12,000 Miles
    • Roadside Assistance: 5 Years/60,000 Miles, Certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
    • Warranty: <<< Preliminary 2026 Warranty >>>
    • Max seating capacity: 5
    • Fuel System: Direct Injection
    • Fuel tank capacity: 15 gal
    • Horsepower: 175
    • Towing capacity: 1500 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
    • 5G vehicle connectivity:
      • Terms and limitations apply. See onstar.com or dealer for details.
    • 6-speaker audio system:
      • Speakers are positioned throughout the cabin for an enjoyable listening experience
    • Active Noise Cancellation:
      • This technology blocks and absorbs sound, as well as dampens and eliminates vibrations, helping to leave outside noise where it belongs
      • In-cabin microphones distinguish unwanted powertrain noise and cancels it to help create a quiet interior cabin
    • Google built-in compatibility:
      • Experience added personalization and convenience with Google built-in1 compatibility. Get Google Assistant, Google Maps, and Google Play for access to hands-free help, live traffic updates, and access to your favorite apps.
    • 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.
    • Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones:
      • Apple CarPlay vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay is a trademark of Apple Inc. Siri, iPhone and Apple Music are trademarks for Apple Inc, registered in the U.S. and other countries.
      • Vehicle user interface is a product of Google and its terms and privacy statements apply. To use Android Auto on your car display, you'll need an Android phone running Android 6 or higher, an active data plan, and the Android Auto app. Google, Android and Android Auto are trademarks of Google LLC.
    • Wireless Phone Charging:
      • Uses induction technology for portable electronic devices1
      • Conveniently charge your phone while driving
    • 17" Dark Android machined-face aluminum wheels
    • 17" all-terrain blackwall tires:
      • 235/65R17
    • 17" compact spare tire:
      • Includes 17" compact spare wheel
    • 17" compact spare wheel:
      • Includes 17" compact spare tire
    • AutoSense power liftgate:
      • Automatically opens when the system senses the key fob at the rear of the vehicle
      • Memory height function allows you to program how high the gate opens
    • Black nameplates:
      • Replaces exterior Chrome badging
      • Includes Gloss Black exterior badging
    • Body-color door handles:
      • Includes Keyless Open access from any door
    • Deep-tinted rear glass:
      • Provides added protection from sun and glare
      • Tint on rear side windows and rear liftgate glass
    • Ebony Twilight Metallic Roof (for two-tone color combinations):
      • Not available with exterior color Ebony Twilight Metallic
    • Ebony Twilight mirror caps:
      • Only available with Sterling Metallic roof or Ebony Twilight Metallic roof
      • Replaces mirror caps, high gloss Black on Elevation and AT4
      • Replaces painted mirror cap on Denali
    • Fog lamps:
      • Front, LED
      • Help minimize glare in adverse driving conditions
      • Add a sporty styling element to your vehicle
    • Front and rear Black GMC emblems:
      • Replaces front and rear Red GMC emblems
      • Chrome with Black inserts
    • Front license plate bracket:
      • Front bracket is included if displaying a front license plate is required in your state
    • Heated power outside mirrors:
      • 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
      • Power adjustments allow you to move both side mirrors with the touch of a button
      • Manual-folding feature lets you fold the mirrors in
    • Heated wiper park:
      • Heated grids embedded in the windshield glass can help keep wiper blades from freezing to the glass surface
      • Grids are located in the "park" or rest positions of both blades
      • Operation of the heated grids is automatic and tied to the rear window defrost feature
    • IntelliBeam:
      • At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1
    • LED headlamps, uplevel:
      • Upper
      • Animated walk-up and departure lighting
    • LED tail lamps, uplevel:
      • Exterior illumination, animated walk-up and departure lighting
      • Help improve visibility in low-light conditions
    • Panoramic power sunroof:
      • Power sunshade can be closed when you want to block light from entering the cabin from above
      • Spans both the front and rear rows. Your rear seat passengers will appreciate the fixed-glass skylight positioned immediately behind the tilt-sliding sunroof glass
    • Rainsense automatic wipers:
      • When activated, Rainsense wipers automatically clear the windshield when sensors detect windshield precipitation
      • Additionally, an intermittent feature adjusts the speed of the wipers to help keep the windshield clear in a variety of conditions
    • Rear Camera Mirror Washer:
      • The washer routes washer fluid to the rear camera lens and can spray on command
      • Fluid washes over the rear camera lens to help to remove mud, dust, snow, ice and moisture
      • Requires rear camera mirror
    • Roof-mounted side rails:
      • Enhances the appearance of your vehicle
      • With the available cross rails, allows you to secure cargo directly to the top of your vehicle
    • Solar-absorbing windows, rear side:
      • Provides added protection from sun and glare
      • Increases privacy for you and your passengers
      • Tint on rear side windows and rear liftgate glass
    • 12-volt auxiliary cargo area power outlet:
      • Located in the rear cargo area
    • 2-way adjustable rear center headrests
    • 2-way power lumbar front passenger seat controls:
      • Lumbar area expands and retracts to provide lower back support
    • 8-way power driver seat:
      • Forward and back
      • Recline / Incline
      • Up and down
      • Tilt seat cushion back and upright
    • 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
    • All-weather cargo mat:
      • Helps protect the cargo area of your vehicle from dirt and mud
    • All-weather floor liners:
      • Front row liners only
      • Take all-weather floor mat coverage even further with raised edges to follow and protect floor and trim contours
      • Feature a textured, anti-slip pattern that helps trap debris and water while providing carpet coverage
      • Deletes front and rear factory-installed floor mats
    • Cabin Air Filter:
      • Helps keep your cabin air fresh
    • Cabin humidity sensor:
      • Continuously reads the temperature and humidity inside the vehicle
      • Adjusts airflow automatically to match the individual climate settings for both you and your passenger
    • Carpeted load floor:
      • Additional under floor storage
      • Molded storage bins around the spare tire
    • Driver Information Center:
      • 11" diagonal multi-color digital high-contrast display
    • Driver and front passenger visors with illuminated mirrors:
      • Include covered illuminated mirrors
    • Driver seatback map pocket
    • Dual-zone automatic climate control:
      • Automatically maintains the selected temperatures for both the driver and front passenger
      • Sensors strategically located around the vehicle constantly monitor the temperature, including solar heating from the windows
      • May require additional optional equipment
    • Front bucket seats
    • Front passenger seatback map pocket
    • Heated driver and front passenger seats:
      • Separate selections on the center display allow you to choose from 3 levels of warmth for the seat cushion and seatback
      • At the touch of a button you can warm the cushions and seatbacks with multilevel temperature control
      • Individually controlled
    • Heated rear outboard seats:
      • At the touch of a button you can warm the cushions and seatbacks
      • Individually controlled
    • Heated steering wheel:
      • Based on the vehicle's interior temperature, the automatic heated steering wheel will turn on when the automatic front heated seat is on
      • Can turn on/off manually by pressing the button on the steering wheel
    • 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
      • While in park, press the start/stop button to turn on/off the vehicle
    • Overhead sunglass storage
    • Power driver seat lumbar control:
      • Front and back adjustment supports your back and creates a more comfortable driving experience
    • Power windows with driver express-up/down and front passenger express-down:
      • Quickly raises the window or lowers it with the touch of a button
    • 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
    • Rear carpeted floor mats:
      • Helps protect your interior from road debris and the elements
      • Engineered to fit your vehicle
      • Deleted when accessory floor mats or floor liners are ordered
    • Rear center armrest:
      • Folds up to create room for an additional passenger
      • Fold-down design features 2 integrated cupholders and a place to store small items
    • Remote Start:
      • Start your vehicle remotely and step into a comfortably warmed or cooled vehicle, depending on the weather and your preset preferences
      • If equipped, the heated seats may also be activated, depending on certain weather conditions
      • May require additional optional equipment
    • Remote panic alarm:
      • Use to assist in an emergency situation or help in locating your vehicle
    • Second row all-weather mat:
      • Protect your vehicle from road debris and the elements
      • Included when front row All-weather mats or liners are ordered
      • Deletes front and rear factory-installed floor mats
    • Sport-style steering wheel
    • USB ports:
      • 2 total, 1-type A and 1-type C, data/charge, located in the front area of the center console1
    • USB ports:
      • 2-type C, charge only, located one on each outboard location1
    • 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
    • Ventilated driver seat:
      • Provides air circulation and can help reduce the temperature of the seat
      • Separate buttons on the climate control panel allow you to choose from 3 levels of fan circulation
    • Ventilated front passenger seat:
      • Provides air circulation and can help reduce the temperature of the seat
      • Separate buttons on the climate control panel allow you to choose from 3 levels of fan circulation
    • 1.5L Turbo 4-cylinder engine:
      • FWD offers 175 hp and 184 lb-ft of torque with 800 lbs max trailering
      • AWD offers 175 hp and 203 lb-ft of torque with 1,500 lbs max trailering
      • FWD 4-cylinder dual overhead cam design with Direct-Injection and Variable Valve Timing (VVT)
      • AWD paired with an 8-speed automatic transmission
    • 130-amp alternator
    • 3.47 axle ratio
    • 4,850 lbs. GVWR:
      • When properly equipped; includes weight of vehicle, passengers, cargo and equipment
    • 4-wheel antilock disc brakes, 16" front and rear:
      • Help reduce wheel lockup and help maintain steering control during hard braking on most slippery surfaces
    • 8-speed automatic transmission:
      • Smooth, effortless automatic shifting
      • AWD
    • All-wheel drive:
      • 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
    • Brake lining wear indicator
    • Brake rotors with FNC
    • 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
    • Drive Mode Selector:
      • Allows you to select how your vehicle responds and adapts to various driving conditions
      • FWD models feature Normal and Snow
      • AWD models feature Normal, AWD, Snow and Off-Road
    • E15 fuel capable
    • Engine block heater:
      • Helps ease cold weather starts
      • Heats the engine and engine block fluids
      • Includes cold air grille shutter
    • Front skid plate with steel underbelly shield
    • MacPherson front suspension:
      • Delivers a connected, smooth ride
    • Mechanical jack with tools:
      • For use with spare wheel
    • Single-outlet exhaust:
      • Hidden, turned-down tip
    • Trailer hitch
    • Black Badging Package:
      • Includes nameplate kit
      • Black GMC emblems
    • Convenience Package II:
      • 8-way power driver seat adjuster
      • 2-way power lumbar, driver seat adjuster
      • Cabin humidity and windshield sensor
      • Rainsense intermittent front wipers
      • Dual-zone automatic climate control
      • Heated wiper park
      • Wireless Charging1
      • AutoSense Hands-Free power programmable liftgate
      • Roof rails, brushed aluminum
      • Sunglass storage, overhead
      • Universal Home Remote
    • Convenience Package III:
      • Ventilated driver and front passenger seats
      • 8-way power front passenger seat adjuster
      • 2-way power front passenger lumbar seat adjuster
      • Driver memory settings, recalls 2 "presets" for power driver seat and outside mirrors
      • Heated rear outboard seats
    • Driver Convenience Package:
      • Remote Start
      • Driver and front passenger heated seats
      • Heated steering wheel
      • Visors with illuminated vanity mirrors
      • Windows, driver express up/down and express down all passengers
    • Floor Liner Package:
      • All-weather cargo mat
      • All-weather floor liners
      • Second Row All-weather mat
    • Memory Package:
      • 2 driver presets for power driver seat and outside mirrors
      • Press and hold the memory buttons to return position preferences
    • Technology Package II:
      • Traffic Sign Recognition1
      • Rear Pedestrian Alert1
      • HD Surround Vision1
      • Rear Camera Mirror 1
      • Front LED fog lamps
    • Trailering Package:
      • Trailer hitch
      • Hitch Guidance with Hitch View1
      • Standard on AT4 and Denali
    • Airbag system:
      • Frontal airbags for driver and front passenger1
      • Frontal and seat-mounted side-impact for driver and front passenger1
      • Head-curtain airbags for front and rear outboard seating positions1
      • Includes front outboard Passenger Sensing System for frontal passenger airbag and illuminates a status light that indicates whether the airbag is on or off1
    • Automatic Occupant Sensing display:
      • 5 passenger seating
    • 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
    • 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
      • May require additional optional equipment
    • 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
    • Occupant Presence Detection:
      • Front and rear
    • 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.
    • Passenger Sensing System
    • 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 display
      • 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
    • 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
    • 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 detected
    • Vehicle health management:
      • Provides advanced warning of potential vehicle issues
    • 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
    • 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
    • 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 below the instrument panel
      • AWD only
    • 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
    • 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
    You won't want to miss this excellent value!

    It delivers style and power in a single package! Turbocharger technology provides forced air induction, enhancing performance while preserving fuel economy. All of the following features are included: a built-in garage door transmitter, a power liftgate, and 1-touch window functionality.

    Come see us today and we'll help you drive away in your dream vehicle!

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    Peace of mind

    Optional add-on protection

    • GAP Protection
    • Lifetime Powertrain
    • Tires and Wheels
    • Paint Protection

    A name you can trust

    GMC of Mount Vernon 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 Logo3.8out of 5 overall
    • 5.0

      Love the touchscreen

      by Terrain on 12/26/2025 10:08:13 PM

      A nice vehicle. I got the AWD function and couldn’t be happier. Plenty of room for the kids at an affordable price.…
    • 5.0

      A blue one

      by Paul L on 7/24/2025 4:15:31 PM

      To date, our experience with the 2026 Elevation has been excellent. The cabin is plush and extremely comfortable. The ride is vey smooth and although many critique the power train, we have found the AWD version to be more than adequate. The price is competitive and the entry version can be well optioned. The only negative we have is there is not an upgraded stereo. That said, the existing one is okay and can be set to individual preferences. The tablet looks a bit intimidating but is actually quite user friendly. So far we are more than pleased.…
    • 4.0

      Great features

      by Cherre on 5/27/2025 4:41:20 PM

      I upgraded my 2013 Terrain to a 2024 Terrain. Lots of bells and whistles, still trying to figure out everything. Rides nice.…
    All reviews on KBB.com
    Based on 3 consumer ratings for 2025–2026 models. Privacy