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 engine with 470 hp and 975 lb-ft of torque- Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted 7-pin trailer harness- Hitch Package with gooseneck ball and chain tiedown kit- Full Grain Leather Seat Trim with heated and ventilated front seats- 16-Way Power Driver and Passenger Seat Adjusters with Lumbar- 15'' Multicolor Head-Up Display- Premium Bose 12-Speaker Audio System with SiriusXM 360L- Apple CarPlay and Android Auto integration- HD Surround Vision and Bed View Camera with Trailer Camera Provisions- Heated and Power Door Mirrors with Auto-Dimming- Off-Road Suspension with 2-Speed Active Transfer Case- Hill Descent Control and Ultrasonic Front and Rear Park Assist- 18'' Machined Aluminum Wheels with High Gloss Black Accents- Power Sunroof and Wireless Phone Projection- Spray-On Pickup Bedliner with GMC LogoThe 2026 GMC Sierra 2500HD AT4X in Black delivers serious capability matched with premium comfort. This diesel-powered truck combines the proven reliability of the 6.6L V8 Turbocharged engine with modern conveniences designed for both work and daily driving. The truck responds with 470 horsepower and an impressive 975 lb-ft of torque, built from the ground up to handle demanding jobs and terrain.For those who trailer equipment or recreational rigs, this Sierra comes equipped with gooseneck and 5th wheel preparation, complete with hitch platform, tray, bed-mounted 7-pin harness, and assist handles for safe loading and operation. The bed features a spray-on bedliner with GMC logo for added protection and durability. Whether you're managing a construction site or towing a livestock trailer, the infrastructure is ready.Inside, you'll find a driver-focused cabin with full grain leather trim and front seats that offer 16-way power adjustment with lumbar support and heating and ventilation. The 15-inch head-up display projects essential information directly into your line of sight, reducing distraction during operation. Climate control includes automatic temperature management with dual front zones and heated rear outboard seats for passenger comfort in cold weather.Technology integrates seamlessly with Apple CarPlay and Android Auto through the premium GMC infotainment system paired with a Bose 12-speaker audio setup and SiriusXM 360L satellite radio. The truck features HD Surround Vision, a bed camera with trailer viewing provisions, and both front and rear ultrasonic parking assist to make maneuvering easier. Wireless phone projection and charging keep your devices accessible without cable clutter.Handling on and off the road is managed by an off-road suspension tuned for the AT4X, complemented by hill descent control and a 2-speed active transfer case for varied terrain. The truck rides on 18-inch machined aluminum wheels with high-gloss black accents that complement the Onyx Black exterior. Deep-tinted glass and rain-sensing wipers add practical refinement to the design.Safety systems include automatic emergency braking, lane departure warning, trailer side blind zone alert, and forward pedestrian braking. Onboard power outletsincluding a 120-volt bed-mounted optionprovide flexible charging for job site tools and equipment. This Sierra 2500HD AT4X represents a refined balance of work capability, technology, and comfort built for owners who demand excellence in their truck.