New 2026 GMC Sierra 3500HD Denali Ultimate 4WD

• X31 Off-Road Package includes (JHD) Hill Descent Control (NZZ) skid plates Off-Road suspension and Twin-tube Rancho shocks (Not available with dual rear wheels.)
• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
• Engine Duramax 6.6L Turbo-Diesel V8 B20-Diesel compatible (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @ 1600 rpm)
• Rear axle 3.42 ratio
• Pickup bed
• GVWR 12250 lbs. (5557 kg) with single rear wheels (Included and only available with TK30943 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine. Requires single rear wheels.)
• Engine block heater
• Air filter heavy-duty
• Air filtration monitoring
• Transfer case two-speed active electronic Autotrac with push button control
• Auto-locking rear differential
• Four wheel drive
• Cooling external engine oil cooler
• Cooling auxiliary external transmission oil cooler
• Battery heavy-duty 730 cold-cranking amps/70 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
• Alternator 220 amps
• Trailer brake controller integrated
• Recovery hooks front Chrome (Plant installed.)
• Frame fully-boxed hydroformed front section and a fully-boxed stamped rear section
• Skid Plates protect the oil pan front axle and transfer case
• Suspension Off-Road includes twin-tube shocks (Not available with dual rear wheels.)
• Steering Digital Variable Steering Assist this system automatically adjusts steering based on speed road conditions and other inputs to reduce driver effort and fatigue
• Brakes 4-wheel antilock 4-wheel disc with DURALIFE rotors
• Exhaust brake
• Brake lining wear indicator
• Capped Fuel Fill
• Single rear wheels
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Sunroof power
• Bumper front body-color lower
• Bumper rear body-color with bumper CornerSteps
• CornerStep rear bumper
• Bed Step Black integrated on forward portion of bed on driver and passenger side
• Assist steps power-retractable with LED perimeter lighting and bright accent (Not available with any other assist steps.)
• Moldings beltline stainless steel
• Wheelhouse liners rear (Not available with dual rear wheel models.)
• Bedliner Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Available with Ship Thru code (SQE) (TCE) or (TCH) not available with any other Ship Thru code.)
• Cargo tie downs (12) fixed rated at 500 lbs per corner
• Grille Signature Denali Ultimate grille in Vader chrome with High Gloss Black surround
• WINTER GRILLE COVER
• Fog lamps LED
• Taillamps Animated LED Signature Tail Stop turn and Reverse lamps
• Lamps cargo area cab mounted integrated with center high mount stop lamp with switch in bank on left side of steering wheel
• LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
• Lamps Smoked Amber roof marker (LED) (Standard with dual rear wheels. Not available with (YF5) California state emissions requirements on single rear wheels.)
• Mirrors outside power-adjustable vertical trailering with heated and auto-dimming upper glass (driver and passenger) lower convex mirrors turn signal indicators puddle lamps perimeter lighting auxiliary lighting power folding/extending (extends 3.31 [84.25mm])
• Mirror caps chrome
• Wipers front rain-sensing
• Glass deep-tinted
• Door handles chrome
• Tailgate GMC MultiPro Tailgate with six functional load/access features. NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details
• Tailgate and bed rail protection caps top
• Tailgate gate function manual with EZ Lift includes power lock and release includes hitch area light
• Seat Up-level Rear with Storage Package 60/40 folding bench for Crew Cab models includes full-length bench seat seatback storage on left and right side center fold out armrest with 2 cupholders full cab width underseat storage (includes child seat top tether anchor)
• Seats heated second row outboard seats
• Driver memory recalls driver presets for power driver seat and outside mirrors
• Center Console floor-mounted with cup holders cell phone storage power cord management hanging file folder capability
• Floor covering color-keyed carpeting
• Steering wheel leather-wrapped
• Steering wheel heated
• Steering column manual Tilt-Wheel and telescoping
• Steering wheel audio controls
• Driver Information Center enhanced 12.3 diagonal reconfigurable multicolor digital display
• GMC Premium information Display- 13.4 diagonal Multicolor touch screen
• Exterior Temperature Display located in radio display
• Compass located in instrument cluster
• Window power front drivers express up/down
• Remote vehicle starter system
• ADAPTIVE CRUISE CONTROL
• Universal Home Remote
• Wireless Charging
• Power outlet instrument panel 120-volt (400 watts shared with (KC9) bed mounted power outlet)
• USB ports (2) charge-only rear
• Power outlet bed mounted 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
• Air conditioning dual-zone automatic climate control
• Air vents rear
• Assist handles front A-pillar mounted for driver and passenger rear B-pillar mounted
• StabiliTrak stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
• Hill Descent Control (Not available with dual rear wheels.)
• Airbags dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
• Front and Rear Park Assist Ultrasonic
• Bed View Camera camera in the CHMSL to show a view of the cargo bed display located in infotainment screen includes Two Trailer Camera Provisions
• Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
• TRAILER CAMERA PROVISIONS AND TRAILER VIEWING SOFTWARE
• Rear Cross Traffic Alert
• Trailer Side Blind Zone Alert
• Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
• Safety Alert Seat
• Rear seat reminder
• Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob to help encourage safe driving behavior. It can limit certain available vehicle features and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
• Seat Belt Adjustable Guide Loops front row only
• Indicator-Seat Belt WARNING Rear Seat (Requires Crew Cab or Double Cab model.)
• Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety)

View All Features