2026 GMC Sierra 2500

Meet the new 2026 GMC Sierra K2500 AT4, a heavy-duty 4x4 pickup finished in Summit White with a Jet Black interior accented by Kalahari. Its naturally aspirated 6.6-liter V8 delivers 401 horsepower at 5200 rpm and 464 lb-ft of torque at 4000 rpm, giving this Sierra the strength and capability to take on demanding work and weekend adventures. A tow package adds confidence when its time to haul, while seating for five makes room for crew and family. The AT4 blends rugged utility with thoughtful comfort and connected convenience. Enjoy heated front and rear seats, memory seating, keyless entry, and push-button start, plus navigation, premium audio, satellite radio readiness, Apple CarPlay, Bluetooth, wireless phone charging, and a Wi-Fi hotspot. Adaptive cruise control, a backup camera, blind spot monitoring, collision warning, and cross-traffic alert help make every drive more assured. 2026 GMC SIERRA K2500 AT Safety and Security Features A check rear seat reminder adds a helpful prompt before you leave the truck. The trailer rearview camera system supports visibility when towing, while front and rear parking sensors assist in tight spaces. Four-wheel ABS, anti-lockout and auto-locking power door locks, a front camera system washer, and a programmable safety key add practical protection. Hill descent control supports measured progress on steep off-road terrain. 2026 GMC SIERRA K2500 AT Entertainment and Technology Features A 13.4-inch infotainment screen with Google Built-In puts key features within easy reach. The system supports myGMC with Connected Access, voice-operated hands-free calling and radio, a touchscreen display, and app marketplace integration. Use compatible app functions for engine start and cabin preconditioning, follow real-time traffic with navigation, and enjoy rich sound through the subwoofer. 2026 GMC SIERRA K2500 AT Performance Features An electronic hi-lo 4WD selector and part-time 4WD with an on-demand setting let you tailor traction to changing conditions. A rear locking differential and off-road-tuned suspension add capability when the route gets rough. This New 2026 GMC Sierra 2500HD AT4, is Summit White in color with an Jet Black with Kalahari accents interior. Stock Number B26158. You can connect with us by calling (866) 471-9998. Important Package and Feature Information AT4 EQUIPMENT GROUP SiriusXM with 360L Trial Subscription Power Front Passenger Windows with Express Up/down Deep-Tinted Glass Keyless Open and Start Rear Wheelhouse Liners Rear Premium Floor Liners with Removable Carpet Insert Front Premium Floor Liners with Removable Carpet Insert Push Button Start Remote Vehicle Starter System Electric Rear-Window Defogger Front Rain-Sensing Wipers Spray-On Pickup Bedliner with GMC Logo Floor-Mounted Center Console Gloss Black Header Grille and Grille Insert Bars Safety Alert Seat Wireless Charging Heated Driver and Front Outboard Passenger Seats Heated 2nd Row Outboard Seats 120-Volt Bed Mounted Power Outlet 120-Volt Instrument Panel Power Outlet Ventilated Driver and Front Passenger Seats ENGINE: 6.6L V8, GASOLINE Manual Tilt-Wheel/telescoping Steering Column 2-Speed Active Transfer Case Sierra HD Pro Safety Wireless Phone Projection ProGrade Trailering System Trailer Cam Provisions and Trailer Viewing Software 2 Charge/data USB Ports Inside Center Console 2 USB Ports 2 Charge-Only Rear USB Ports Ultrasonic Front and Rear Park Assist OnStar Services Capable LED Cargo Area Lighting Rear Cross Traffic Alert Steering Wheel Audio Controls Trailer Side Blind Zone Alert Bose Premium 7-Speaker Sound System Unauthorized Entry Theft-Deterrent System HD Surround Vision Bed View Camera with Two Trailer Camera Provisions X31 Off-Road Package AT4 PREFERRED PACKAGE * UNIVERSAL HOME REMOTE * POWER SLIDING REAR WINDOW * LED ROOF MARKER LAMPS ($405 value) Power Sliding Rear Window with Defogger LED Smoked Amber Roof Marker Lamps Universal Home Remote Safety and Security Forward collision mitigation - Forward