2026 GMC Sierra 1500 AT4 

in Altona 

The 2026 GMC Sierra 1500 AT4 Crew Cab 4WD is engineered for those who refuse to compromisecombining rugged off-road performance with premium comfort and advanced technology. Designed to conquer tough terrain and deliver refined daily driving, the Sierra AT4 stands out with bold styling, elevated capability, and authentic GMC craftsmanship.

BOLD AT4 DESIGN AND PRESENCE
» Distinctive AT4 black chrome grille with red vertical recovery hooks
» 18' machined aluminum wheels with all-terrain tires for confident traction
» LED headlamps, fog lamps, and taillamps with signature C-shaped lighting
» Unique AT4 badging and dark nickel accents for a commanding appearance
» Power up/down tailgate with EZ Lift assist and integrated lighting
» Factory spray-on bedliner and 12 cargo tie-downs for lasting durability
» Available power sunroof for an open, adventurous feel
» Optional 20' all-terrain tires and off-road step bars for added capability

PREMIUM INTERIOR AND COMFORT
» Leather-appointed seating surfaces with exclusive AT4 embroidery and Jet Black/Kalahari accents
» Heated and ventilated front seats plus heated rear outboard seats for year-round comfort
» 10-way power front seats with memory and lumbar support
» Heated leather-wrapped steering wheel with mounted controls
» Dual-zone automatic climate control for personalized cabin comfort
» Durable, high-quality materials designed for rugged use and upscale appeal
» Quiet, insulated cabin with triple-sealed doors and acoustic glass

PERFORMANCE AND OFF-ROAD CAPABILITY
» Standard 5.3L V8 engine (355 hp, 383 lb-ft torque) for proven power
» Available 6.2L V8 (420 hp, 460 lb-ft torque) or 3.0L Duramax Turbo-Diesel for superior torque and efficiency
» 10-speed automatic transmission for smooth and precise shifting
» Factory 2-inch suspension lift for increased ground clearance
» Off-Road Suspension with Rancho monotube shocks for confident handling
» Autotrac 2-speed transfer case with selectable drive modes
» Hill Descent Control and skid plates for enhanced protection and control
» Max towing capacity up to 13,100 lbs when properly equipped

ADVANCED TECHNOLOGY AND CONNECTIVITY
» 13.4' GMC Premium Infotainment touchscreen with built-in Google integration
» 12.3' configurable digital driver display for customizable driving data
» Full-color Head-Up Display to keep key information in sight
» Wireless Apple CarPlay and Android Auto compatibility
» Bose Premium 7-speaker audio system for powerful sound
» Wireless charging pad and multiple USB-C ports throughout the cabin
» Remote Start, keyless open/start, and 4G LTE Wi-Fi hotspot capability

SAFETY AND DRIVER ASSISTANCE
» GMC Pro Safety includes:
Forward Collision Alert
Automatic Emergency Braking
Front Pedestrian Braking
Lane Keep Assist with Lane Departure Warning
Following Distance Indicator
IntelliBeam Auto High Beams
» Available HD Surround Vision and Rear Cross Traffic Braking
» Lane Change Alert with Side Blind Zone Alert and Rear Park Assist
» Trailer Side Blind Zone Alert and Hitch Guidance with Hitch View
» Adaptive Cruise Control and Safety Alert Seat for added awareness
» Reinforced safety cage and comprehensive airbag system for maximum protection

WHY THE 2026 GMC SIERRA 1500 AT4 CREW CAB 4WD STANDS OUT
» Factory-lifted stance and off-road-tuned suspension for authentic capability
» Distinct AT4 design with premium detailing and functional strength
» Advanced technology and connectivity for modern convenience
» Luxurious interior materials balanced with rugged, outdoor-ready durability
» Perfect balance of off-road confidence and refined everyday comfort

The 2026 GMC Sierra 1500 AT4 Crew Cab 4WD is built for those who lead with strength and adventure.

Visit West Park Chevrolet Buick GMC in Altona to experience the 2026 Sierra AT4 4WDwhere rugged capability meets premium performance.