2026 GMC Sierra 2500

ALL VEHICLES SUBJECT TO A $225 DEALER DOC FEE. NEW VEHICLES PRE-LOADED WITH OUR VIP PACKAGE FOR $2995. THIS INCLUDES 1 YEAR OIL CHANGES AND TIRE ROTATIONS. ONE YEAR INTERIOR AND EXTERIOR PROTECTION. WINDOW TINT, ALL-WEATHER FLOOR MATS, AND WHEEL LOCKS. 1 YEAR THEFT PROTECTION. LIFETIME POWERTRAIN WARRANTY* SOME EXCLUSIONS APPLY TO THE LIFETIME WARRANTY- 6.6L V8 Diesel Turbocharged Duramax engine with 470 hp and 975 lb-ft of torque- Gooseneck and 5th Wheel Prep Package for advanced towing capability- 10-Speed Automatic transmission with 4WD- 4-Wheel Disc Brakes with Hill Descent Control- HD Surround Vision with Bed View Camera and Trailer Camera Provisions- Bose Premium 12-Speaker audio system with SiriusXM and 360L- 16-Way Power Driver and Passenger Seats with Lumbar support- Full Grain Leather seat trim with heated and ventilated front seats- Power Sunroof with power moonroof functionality- Wireless Phone Projection and Apple CarPlay/Android Auto- Lane Departure Warning and Automatic Emergency Braking- Diesel-specific features including Engine Block Heater and 220-Amp Alternator- Multicolor 15'' Head-Up Display and Hitch Guidance system- 18'' Machined Aluminum wheels with High Gloss Black Accents- Spray-on Bedliner with GMC Logo and LED Cargo Area LightingThis 2026 GMC Sierra 2500HD AT4X arrives in crisp White and is built for serious work and capable adventures. The 6.6L V8 Diesel Turbocharged engine delivers the power and torque you need for heavy hauling, with the Gooseneck and 5th Wheel Prep Package ready to handle your most demanding towing jobs. The advanced diesel architecture includes an engine block heater and 220-amp alternator for reliability in demanding conditions.Inside, the cab welcomes you with full grain leather seating, heated and ventilated front seats, and a power sunroof that brings light and openness to the cabin. The 16-way power-adjustable driver and passenger seats with lumbar support keep you comfortable on long drives. A Bose Premium 12-Speaker audio system with SiriusXM and 360L keeps your entertainment choices extensive, while wireless phone projection and Apple CarPlay/Android Auto integration keep you connected.Technology works for you throughout this truck. The multicolor 15-inch head-up display projects critical information directly into your line of sight. Ultrasonic front and rear park assist, HD surround vision, and the integrated bed view camera with trailer camera provisions give you complete visibility of your surroundings and what you're towing. The in-vehicle trailering system app and hitch guidance with hitch view take the guesswork out of connecting trailers.Safety is built into every system. Automatic emergency braking, front pedestrian braking, lane departure warning, and rear cross traffic alert work together to help prevent accidents. Multiple airbags, electronic stability control, traction control, and hill descent control provide confidence in all driving conditions. An OnStar emergency communication system connects you to help when you need it.The AT4X off-road suspension and 2-speed active transfer case deliver capability beyond typical construction sites or job sites. Off-road-focused suspension tuning means this truck handles varied terrain with poise. The spray-on bedliner protects your cargo area, while bed-mounted assist handles and LED cargo lighting make loading and unloading practical.Exterior styling speaks to purposeful capability with gloss black door handles, a gloss black header grille, and LED smoked amber roof marker lamps. Heated power door mirrors, auto-dimming rear-view mirror, and rain-sensing wipers adapt to changing conditions. Deep-tinted glass and 18-inch machined aluminum wheels with high gloss black accents round out the refined look.This Sierra 2500HD AT4X stands ready to handle whatever you ask of itpower, capability, technology, and refined comfort all working together in one commanding truck.