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ALL VEHICLES DENALI AT4

GMC AT4 & AT4X

ADVENTURE-READY TRUCKS & SUVS

Ruggedly styled and packed with tech-savvy, advanced features, AT4 trucks and SUVs are engineered for action. And for a higher-level experience, AT4X heightens extreme off-roading capabilities without compromising on innovative tech and first-class interiors.

The Front Undercarriage View of the GMC AT4 Truck Trim

BOLD EXTERIORS

AT4 and AT4X are ready for off-road adventures, offering lifted ride heights, incredible off-road traction and more. And with exclusive accents like eye-catching grilles and unique wheels, they look ready for action, too.
Interior View of the AT4 Badging on the GMC Seat

UNIQUE ACCENTED INTERIORS

Explore in style and comfort with amenities like AT4-specific accents and embroidered AT4 head restraints. AT4 and AT4X offer interiors like available Obsidian Rush or Forest Storm to let you venture beyond the boundaries in an ultra-premium way.
Close-up of Head-up Display in a GMC Vehicle

ADVANCED TECH

Available Head-Up Display* technology projects key information directly onto your windshield to help you keep your focus on the road or trail. Enhance your confidence with available HD Surround Vision,* which provides selectable digital camera views of the area around your vehicle, including an overhead view.

MEET THE GMC AT4 & AT4X LINEUP

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  • TRUCKS

    MID-SIZE OFF-ROAD TRUCK

    2026 CANYON AT4

    The GMC Canyon AT4 packs a serious punch in capabilities. Loaded with off-road enhancements, like the TurboMax® engine with 310 horsepower, the Canyon AT4 mid-size truck is ready for any adventure.

    FEATURE HIGHLIGHTS

    • Advanced Hill Descent Control
    • 4WD with automatic locking rear differential
    • Two-speed Autotrac® transfer case and transfer case shield
    VEHICLE DETAILS VIEW INVENTORY VIEW INVENTORY VIEW INVENTORY
    Exterior Front Three-Quarters View of the GMC Canyon Mid-Size Truck Parked in the Desert
    Interior View of the Front Row Seats in the GMC Canyon Mid-Size Truck

    MID-SIZE OFF-ROAD TRUCK

    2026 CANYON AT4X

    The GMC Canyon AT4X redefines what a mid-size truck can do — with a bold exterior and interior, innovative tech and extreme off-roading hardware.

    FEATURE HIGHLIGHTS

    • Off-road suspension with 3" factory lift
    • Front and rear electronic-locking differentials
    • AT4X-exclusive Baja drive mode with launch control
    VEHICLE DETAILS VIEW INVENTORY VIEW INVENTORY VIEW INVENTORY
    Front Three-Quarters View of the GMC Canyon AT4X Off-Road Pickup Truck
    Interior Drivers Side View of the GMC Canyon AT4X Mid-Size Truck

    FULL-SIZE OFF-ROAD TRUCK

    2026 SIERRA 1500 AT4

    The Sierra 1500 AT4 symbolizes the boundless spirit of off-road adventure. Whether your passion is boating, dirt biking, off-roading, kayaking, camping and everything in between, this truck is equipped for just about any adventure.

    FEATURE HIGHLIGHTS

    • Duramax® 3.0L Turbo-Diesel engine with 10-speed automatic transmission
    • 2" factory lift with off-road suspension and Rancho® monotube shocks
    • Two-speed Autotrac transfer case and underbody skid plate
    VEHICLE DETAILS VIEW INVENTORY VIEW INVENTORY VIEW INVENTORY
    Front Three-Quarters View of the GMC Sierra AT4 1500 Pickup Truck Driving Down a Dirt Road
    Interior Front Row Seats in the GMC Sierra AT4 1500 Pickup Truck

    FULL-SIZE OFF-ROAD TRUCK

    2026 SIERRA 1500 AT4X

    The Sierra 1500 AT4X empowers drivers to embrace the great outdoors. This dominating full-size truck has a fierce look and takes premium off-road capability to new heights.

    FEATURE HIGHLIGHTS

    • Front and rear electronic-locking differentials — a combination not offered on any competitor in its class*
    • Multimatic® DSSV dampers 
    • AEV stamped steel front bumper with front winch capability and stamped boron steel front approach AEV skid plate
    VEHICLE DETAILS VIEW INVENTORY VIEW INVENTORY VIEW INVENTORY

    Available accessories shown.
    Front Three-Quarters View of the GMC Sierra AT4X 1500 Pickup Truck Parked on Rocky Terrain
    Interior View of the Front Row Seats in the GMC Sierra AT4X 1500 Pickup Truck

    HEAVY-DUTY OFF-ROAD TRUCK

    2026 SIERRA HD AT4

    The seriously capable GMC Sierra HD AT4 demands respect on both the highway and the trails while still providing a premium experience. A bolstered look is paired with unique features on Sierra HD AT4.

    FEATURE HIGHLIGHTS

    • Exclusive Jet Black interior with Kalahari accents, and heated and ventilated perforated front leather seating surfaces
    • Exclusive 20" gloss-black aluminum wheels with available BFGoodrich® off-road tires
    • Off-Road Suspension Package with twin-tube Rancho shocks and skid plates
    VEHICLE DETAILS VIEW INVENTORY VIEW INVENTORY VIEW INVENTORY
    Front Three-Quarters View of the GMC Sierra HD AT4 Heavy Duty Truck
    Interior Drivers Side View of the GMC Sierra HD AT4 Heavy Duty Truck

    HEAVY-DUTY OFF-ROAD TRUCK

    2026 SIERRA HD AT4X

    The Sierra HD AT4X is prepared for the trail while still providing the on-road comfort, innovative tech and pulling power you expect from a GMC Sierra Heavy Duty.

    FEATURE HIGHLIGHTS

    • Factory-installed 1.5" suspension lift, Multimatic DSSV dampers, rear electronic-locking differential, large steel transfer case skid plate and front aluminum skid plate
    • 35" Goodyear® Territory MT tires
    • 16-way power heated and ventilated front seats with massage feature
    VEHICLE DETAILS VIEW INVENTORY VIEW INVENTORY VIEW INVENTORY
    Front Three-Quarters View of the GMC Sierra AT4X HD
    Interior View of the Front Row Seats in the GMC Sierra HD AT4X Heavy Duty Truck

    ALL-ELECTRIC OFF-ROAD PICKUP

    2026 SIERRA EV AT4

    The Sierra EV AT4 packs in advanced features that mark a new era in EV off-roading. Enjoy a striking exterior, premium interior and impressive performance, all designed to exceed your expectations.

    FEATURE HIGHLIGHTS

    • GM-estimated up to 390 miles* or available up to 478 miles* of electric range
    • 4-Wheel Steer with CrabWalk®*
    • 2" additional ground clearance with red front recovery hooks* and spray-on bedliner
    VEHICLE DETAILS VIEW INVENTORY VIEW INVENTORY VIEW INVENTORY

    Sierra EV is available from a GMC EV dealer.
    Front Three-Quarters View of the GMC Sierra AT4 EV Parked in the Desert at Sunset
    Interior View of the Front Row Seats in the GMC Sierra AT4 EV

  • SUVS

    SMALL OFF-ROAD SUV

    2026 TERRAIN AT4

    The stylish and well-equipped Next Generation Terrain packs a powerfully efficient turbocharged punch with a 1.5L Turbo 4-cylinder engine and an 8-speed automatic transmission with AWD.

    FEATURE HIGHLIGHTS

    • AT4-exclusive selectable Terrain mode
    • Lifted ride height with red front recovery hooks*
    • Front skid plate with steel underbody shield
    VEHICLE DETAILS VIEW INVENTORY VIEW INVENTORY VIEW INVENTORY
    Front Three-Quarters View of the GMC Terrain AT4 Small Off-Road SUV
    Interior View of the Front and Rear Seats in the GMC Terrain AT4 Small Off-Road SUV

    MID-SIZE OFF-ROAD SUV

    2026 ACADIA AT4

    The GMC Acadia AT4 is built for experiencing unexplored terrains. The mid-size SUV puts you in control with advanced performance and suspension. Its versatility and capabilities are perfect for adventures never before imagined.

    FEATURE HIGHLIGHTS

    • Active torque control AWD system
    • Off-road-tuned suspension
    • 18" dark machined-aluminum wheels with all-terrain tires
    VEHICLE DETAILS VIEW INVENTORY VIEW INVENTORY VIEW INVENTORY
    Front Three-Quarters View of the GMC Acadia AT4 Mid-Size Off-Road SUV Parked on a Beach
    Interior View From the Drivers Seat in the GMC Acadia AT4 Mid-Size Off-Road SUV

    LARGE OFF-ROAD SUV

    2026 YUKON AT4

    The GMC Yukon AT4 is everything a luxury GMC SUV should be. The off-road ready SUV is big and bold, abundant with advanced features ready to take on anything.

    FEATURE HIGHLIGHTS

    • 20" machined aluminum wheels with Carbon Flash Metallic finish and all-terrain tires
    • High approach angle with front skid plate and red recovery hooks*
    • Magnetic Ride Control Suspension
    VEHICLE DETAILS VIEW INVENTORY VIEW INVENTORY VIEW INVENTORY
    Front Three-Quarters View of the GMC Yukon AT4 Full-Size Off-Road SUV Parked on a Scenic Field
    Interior View of the Front Row Seats and Dashboard in the GMC Yukon AT4 Full-Size Off-Road SUV

    LARGE OFF-ROAD SUV

    2026 YUKON AT4 ULTIMATE

    The GMC Yukon AT4 Ultimate takes SUV off-roading to a whole new level. Take charge of the strong and capable SUV that can seat up to 7 passengers on your next big adventure. It’s equipped with advanced technology and premium amenities to transform your driving experience.

    FEATURE HIGHLIGHTS

    • 6.2L V8 engine with 10-speed automatic transmission
    • Four-corner Air Ride Adaptive Suspension
    • Super Cruise® hands-free driver assistance technology* comes with 3-year OnStar® One plan*
    VEHICLE DETAILS VIEW INVENTORY VIEW INVENTORY VIEW INVENTORY
    Front Three-Quarters View of the GMC Yukon AT4X Full-Size Off-Road SUV Parked on a Scenic Field
    Interior View of the Dashboard and Infotainment System in the GMC Yukon AT4X Full-Size Off-Road SUV

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