This 2026 GMC Sierra 3500HD Denali Ultimate delivers commanding presence and capability in a pristine White exterior, built on a foundation of heavy-duty engineering designed for serious work and refined daily driving.- Duramax 6.6L V8 Turbodiesel engine with 10-Speed Automatic transmission and 4WD- Bose Premium Series 12-Speaker System with SiriusXM 360L satellite radio- 15 Diagonal Head-Up Display with GMC Premium 13.4 Information Center- Full Grain Leather Seat Trim with 16-Way Power Driver and Passenger Seat Adjusters with Lumbar Support- Heated and Ventilated Driver and Front Passenger Seats with Heated Rear Outboard Seats- ProGrade Trailering System with Gooseneck/5th Wheel Prep Package- Bed View Camera with Two Trailer Camera Provisions and HD Surround Vision- Automatic Emergency Braking with Forward Collision Alert and Front Pedestrian Braking- Wireless Phone Projection and Wireless Charging- Multizone Automatic Temperature Control with Rear Window Defogger- Signature Denali Ultimate Grille in Vader Chrome with LED Cargo Area Lighting- Spray-on Pickup Bedliner with GMC Logo and Rear Wheelhouse Liners- Power Moonroof and Power Sliding Rear Window with Defogger- Ultrasonic Front and Rear Park Assist with Rear Cross Traffic Alert- Off-Road Suspension with 2-Speed Active Transfer Case and Hill Descent ControlThis Sierra 3500HD combines luxury appointments with capability. The full grain leather interior, available heated and ventilated seating, and wood trim accents create an environment that rewards both driver and passengers on long journeys. The GMC Premium infotainment system integrates seamlessly with your devices through wireless projection, keeping you connected without distraction.The ProGrade Trailering System positions this truck as a purpose-built tool for those who demand reliability when towing matters most. Trailer-specific technology including camera provisions, tire pressure monitoring, and integrated trailering app support provide confidence whether managing commercial operations or personal ventures. The 3.42 rear axle ratio works in concert with the Duramax diesel engine to handle demanding loads.Safety systems throughout this Denali Ultimate reflect GMC's commitment to protecting occupants. Automatic emergency braking, forward collision alert, and front pedestrian braking work together with lane departure warning and trailer side blind zone alert. The Safety Alert Seat provides tactile feedback when potential hazards approach, while the system of cameras including bed view and surround vision eliminates blind spots.Off-road capability comes standard through the X31 Off-Road Package, featuring specialized suspension tuning and hill descent control for controlled navigation on challenging terrain. The 2-Speed Active Transfer Case provides on-demand 4WD engagement, allowing you to optimize fuel efficiency on pavement while maintaining capability when conditions demand it.Premium details distinguish the Denali Ultimate at every turn. The Signature Denali Ultimate Grille in Vader Chrome makes an immediate statement, while the 20 Ultra-Bright Machined Aluminum wheels complement the bold exterior. Genuine wood dashboard and door panel inserts, combined with the full grain leather steering wheel and Bose audio system, establish an interior that meets the standards of discerning buyers.This Sierra 3500HD Denali Ultimate awaits your inspection. We invite you to visit our showroom to experience the commanding presence, refined comfort, and purposeful engineering that defines this truck.

Options:

Gooseneck/5th Wheel Prep Package,Preferred Equipment Group 5SB,Technology Package,X31 Off-Road Package,12 Speakers,AM/FM radio: SiriusXM with 360L,Bose Premium Series 12-Speaker System,Premium audio system: Premium GMC Infotainment System,Radio: AM/FM Stereo with Premium GMC Infotainment System,SiriusXM with 360L Trial Subscription,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Heads-Up Display,Memory seat,Power driver seat,Power Front Windows with Passenger Express Up/Down,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Manual Tilt-Wheel/Telescoping Steering Column,Off-Road Suspension,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Emergency communication system: OnStar Services capable,Front anti-roll bar,Front wheel independent suspension,Keyless Open and Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power moonroof,Power Sunroof,Pickup Bed,Brake assist,Electronic Stability Control,Lane Departure Warning System,Exterior Parking Camera Rear,Hill Descent Control,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Panic alarm,Security system,Unauthorized Entry Theft-Deterrent System,Speed control,2-Speed Active Transfer Case,220 Amp Alternator,Block heater,Dual Heavy-Duty 70 Amp-Hour Battery,Auto-dimming door mirrors,Bumpers: body-color,Front License Plate Kit,Heated door mirrors,IntelliBeam Automatic High Beam on/Off,LED Cargo Area Lighting,LED Smoked Amber Roof Marker Lamps,Power door mirrors,ProGrade Trailering System,Rear step bumper,Rear Wheelhouse Liners,Signature Denali Ultimate Grille in Vader Chrome,Spray-on Pickup Bedliner with GMC Logo,Turn signal indicator mirrors,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports Inside Center Console,2 USB Ports,Auto-Dimming Inside Rearview Mirror with Camera,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera with Two Trailer Camera Provisions,Buckle to Drive,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front Pedestrian Braking,Front reading lights,Garage door transmitter,Genuine wood dashboard insert,Genuine wood door panel insert,GMC Premium 13.4 inch Diagonal Information Display,HD Surround Vision,Heated steering wheel,Illuminated entry,Leather steering wheel,Multicolor 15 inch Diagonal Head-Up Display,Outside temperature display,Overhead console,Passenger vanity mirror,Premium Front Floor Liners with Removable Carpet Insert,Premium Rear Floor Liners with Removable Carpet Insert,Rear Cross Traffic Alert,Rear reading lights,Rear seat center armrest,Safety Alert Seat,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Camera Provisions,Trailer Side Blind Zone Alert,Trip computer,Ultrasonic Front and Rear Park Assist,Voltmeter,Wireless Charging,Wireless Phone Projection,16-Way Power Driver Seat Adjuster with Lumbar,16-Way Power Passenger Seat Adjuster with Lumbar,Front Bucket Seats,Front Center Armrest,Full Grain Leather Seat Trim,Heated 2nd Row Outboard Seats,Heated Driver and Front Outboard Passenger Seats,Heated front seats,Heated rear seats,Power passenger seat,Split folding rear seat,Ventilated Driver and Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance with Hitch View,in-Vehicle Trailering App,Trailer Tire Pressure Monitor Sensors,Alloy wheels,Wheels: 20 inch Ultra-Bright Machined Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Sliding Rear Window with Defogger,Rain sensing wipers,Variably intermittent wipers,3.42 Rear Axle Ratio,GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).,LICENSE PLATE KIT FRONT,AUDIO SYSTEM 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM with Google built in apps such as navigation and voice assistance includes color touch-screen multi-touch display AM/FM stereo Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones. (STD),TRANSMISSION 10-SPEED AUTOMATIC (STD),WHEELS 20 (50.8 CM) ULTRA-BRIGHT MACHINED ALUMINUM WHEELS WITH GLOSS BLACK INSERTS with Black painted pockets (STD),DENALI ULTIMATE PREFERRED EQUIPMENT GROUP includes standard equipment,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) (STD),SUMMIT WHITE,PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT REAR,REAR AXLE 3.42 RATIO,PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT FRONT,ALPINE UMBER FULL GRAIN LEATHER SEATING SURFACES,SEATS FRONT BUCKET WITH CENTER CONSOLE (STD),Back-Up Camera,Heads-Up Display,Lane Departure Warning,Front Collision Mitigation,Front Collision Warning,Automatic Highbeams,Tow Hitch,Turbocharged,Keyless Start,Locking/Limited Slip Differential,Four Wheel Drive,Tow Hooks,Power Steering,ABS,4-Wheel Disc Brakes,Aluminum Wheels,Tires - Front All-Terrain,Tires - Rear All-Terrain,Conventional Spare Tire,Sun/Moonroof,Generic Sun/Moonroof,Running Boards/Side Steps,Power Retractable Running Boards,Bed Liner,Daytime Running Lights,LED Headlights,Automatic Highbeams,Fog Lamps,Heated Mirrors,Power Mirror(s),Integrated Turn Signal Mirrors,Power Folding Mirrors,Intermittent Wipers,Variable Speed Intermittent Wipers,Rain Sensing Wipers,Privacy Glass,Rear Defrost,Sliding Rear Window,Integrated Tailgate Step,Premium Sound System,AM/FM Stereo,Navigation System,MP3 Capability,Bluetooth Connection,Auxiliary Audio Input,Smart Device Integration,Satellite Radio,Requires Subscription,Satellite Radio,Requires Subscription,Premium Sound System,Bluetooth Connection,Bluetooth Connection,Smart Device Integration,WiFi Hotspot,Bucket Seats,Leather Seats,Power Driver Seat,Driver Adjustable Lumbar,Seat-Massage,Power Passenger Seat,Passenger Adjustable Lumbar,Seat-Massage,Pass-Through Rear Seat,Rear Bench Seat,Heated Front Seat(s),Heated Front Seat(s),Cooled Front Seat(s),Heated Rear Seat(s),Mirror Memory,Seat Memory,Floor Mats,Floor Mats,Leather Steering Wheel,Heated Steering Wheel,Adjustable Steering Wheel,Steering Wheel Audio Controls,Heads-Up Display,Tire Pressure Monitor,Power Windows,Power Windows,Power Door Locks,Remote Engine Start,Keyless Entry,Power Door Locks,Keyless Start,Cruise Control,Adaptive Cruise Control,Universal Garage Door Opener,Security System,MP3 Capability,Auxiliary Audio Input,MP3 Capability,Auxiliary Audio Input,Climate Control,Multi-Zone A/C,A/C,Rear Defrost,Auto-Dimming Rearview Mirror,Back-Up Camera,Front Collision Mitigation,Front Collision Warning,Traction Control,Stability Control,Daytime Running Lights,Daytime Running Lights,Driver Air Bag,Passenger Air Bag,Front Side Air Bag,Front Head Air Bag,Rear Head Air Bag,Passenger Air Bag Sensor,Telematics,Requires Subscription,Rear Parking Aid,Back-Up Camera,Aerial View Display System,Back-Up Camera,Cross-Traffic Alert,Blind Spot Monitor,Lane Departure Warning,Front Collision Warning,Front Collision Mitigation,Driver Restriction Features,Tire Pressure Monitor,Tire Pressure Monitor,Telematics,Navigation from Telematics,Requires Subscription,Telematics,Navigation from Telematics,WiFi Hotspot,Requires Subscription