2026 GMC Sierra 3500HD Denali Ultimate

Complete vehicle specifications

Vehicle description

Features & options (247)

• Adaptive Cruise Control
• Heated Steering Wheel
• Remote Start
• 4WD/AWD
• Leather Seats
• Auto Dimming Mirror
• Emergency Brake Assist
• Sunroof/Moonroof
• Wireless Phone Charging
• Blind Spot Monitor
• Parking Assistance
• Satellite Radio
• Tow Hitch/Tow Package
• Turbo Charged Engine
• Technology Package includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display
• Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
• Rear axle, 3.42 ratio
• Pickup bed
• Push Button Start
• 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
• 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.)
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Exhaust Brake
• Brake lining wear indicator
• Capped Fuel Fill
• Tires, LT275/65R20 all-terrain, blackwall (Requires single rear wheels.)
• 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.)
• 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
• Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
• IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
• 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
• Mirror caps, chrome
• Wipers, front rain-sensing
• Glass, deep-tinted
• Window, power, rear sliding with rear defogger
• Door handles, chrome
• Tailgate and bed rail protection caps, top
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
• LPO, MultiPro Tailgate Audio System by Kicker (dealer-installed)
• SiriusXM
• Bose Premium Series with 12-speaker system with CenterPoint, Richbass woofer and AudioPilot
• Bluetooth for phone connectivity to vehicle infotainment system
• Wireless Phone Projection for Apple CarPlay and Android Auto
• Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
• Seats, front bucket with center console
• Seat trim, Full Grain Leather seats
• Seat adjuster, driver 16-way power including lumbar and massage
• Seat adjuster, passenger 16-way power including lumbar and massage
• Seating, heated driver and front outboard passenger
• Seats, ventilated driver and front passenger
• 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
• Floor mats, carpeted front (Includes Premium floor mats with corner applique.)
• Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
• 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
• Multicolor 15" Diagonal Head-Up Display
• Exterior Temperature Display located in radio display
• Compass, located in instrument cluster
• Window, power front, drivers express up/down
• Window, power front, passenger express up/down
• Windows, power rear, express down
• Door locks, power
• Remote vehicle starter system
• Keyless Open and Start includes remote keyless entry
• Universal Home Remote
• Theft-deterrent system, unauthorized entry
• Wireless Charging
• Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
• USB ports, (2) charge-only, rear
• USB Ports, 2 (first row) located on console
• USB Ports, 2, Charge/Data ports located inside center console
• 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
• Defogger, rear-window electric
• Rear Camera Mirror inside rearview auto-dimming with full camera display
• Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
• Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
• Hill Descent Control (Not available with dual rear wheels.)
• Daytime Running Lamps LED signature lighting
• LED Signature DRL's
• OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
• Front and Rear Park Assist, ultrasonic
• Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
• Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
• Trailer Camera Provisions and trailer viewing software
• Rear Cross Traffic Alert
• Trailer Side Blind Zone Alert
• Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
• Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
• Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
• Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
• Safety Alert Seat
• Rear Seat Reminder
• Seat Belt Adjustable Guide Loops, front row only
• Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
• Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
• Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
• (470 hp [350.5 kW] @ 2800 rpm
• 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (STD)
• Gooseneck/5th Wheel Prep Package
• Preferred Equipment Group 5SB
• Snow Plow Prep/Camper Package
• Technology Package
• X31 Off-Road Package
• 12 Speakers
• Bose Premium Series 12-Speaker System
• SiriusXM with 360L Trial Subscription
• Heads-Up Display
• Power Sunroof
• Active Cruise Control
• 2-Speed Active Transfer Case
• ProGrade Trailering System
• Spray-on Pickup Bedliner with GMC Logo
• 2 Charge-Only Rear USB Ports
• 2 USB Ports
• Bed View Camera with Two Trailer Camera Provisions
• HD Surround Vision
• Ultrasonic Front and Rear Park Assist
• Wireless Phone Projection
• Heated 2nd Row Outboard Seats
• Heated Driver and Front Outboard Passenger Seats
• Ventilated Driver and Front Passenger Seats
• Hitch Guidance with Hitch View
• in-Vehicle Trailering App
• Trailer Tire Pressure Monitor Sensors
• AFTERMARKET LIFT W/WHEEL & TIRES
• Cold Cranking Amps @ 0° F (Primary): 720
• Maximum Alternator Capacity (amps): 170
• Total Cooling System Capacity (qts): - TBD -
• Gross Axle Wt Rating - Front (lbs): 6000
• Gross Axle Wt Rating - Rear (lbs): 7250
• Curb Weight - Front (lbs): 4142
• Curb Weight - Rear (lbs): 2918
• Gross Vehicle Weight Rating Cap (lbs): 12250
• Gross Combined Wt Rating (lbs): 29700
• Gross Combined Wt Rating (lbs): 24000
• Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
• Dead Weight Hitch - Max Tongue Wt. (lbs): 500
• Wt Distributing Hitch - Max Trailer Wt. (lbs): 20000
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 2000
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 21000
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 5250
• Maximum Trailering Capacity (lbs): 20000
• Suspension Type - Front: Short/Long Arm w/Torsion Bars
• Suspension Type - Rear: 3-Stage Multi-Leaf
• Spring Capacity - Front (lbs): - TBD -
• Spring Capacity - Rear (lbs): - TBD -
• Axle Type - Front: Independent
• Axle Type - Rear: - TBD -
• Axle Capacity - Front (lbs): - TBD -
• Axle Capacity - Rear (lbs): - TBD -
• Axle Ratio (:1) - Front: 3.73
• Axle Ratio (:1) - Rear: 3.73
• Shock Absorber Diameter - Front (mm): 51
• Shock Absorber Diameter - Rear (mm): 51
• Stabilizer Bar Diameter - Front (in): 1.38
• Brake Type: Pwr
• Brake ABS System: 4-Wheel
• Disc - Front (Yes or ): Yes
• Disc - Rear (Yes or ): Yes
• Front Brake Rotor Diam x Thickness (in): 14 x 1.6
• Rear Brake Rotor Diam x Thickness (in): 14.1 x 1.3
• Front Tire Order Code: QF6
• Rear Tire Order Code: QF6
• Spare Tire Order Code: ZYG
• Front Tire Size: LT275/70R18
• Rear Tire Size: LT275/70R18
• Spare Tire Size: LT275/70R18
• Front Tire Capacity (lbs): - TBD -
• Rear Tire Capacity (lbs): - TBD -
• Spare Tire Capacity (lbs): - TBD -
• Front Wheel Size (in): 18 x 8
• Rear Wheel Size (in): 18 x 8
• Spare Wheel Size (in): 18 x 8
• Front Wheel Material: Aluminum
• Rear Wheel Material: Aluminum
• Spare Wheel Material: Steel
• Steering Type: Pwr Recirculating Ball
• Steering Ratio (:1), On Center: - TBD -
• Steering Ratio (:1), At Lock: N/A
• Turning Diameter - Curb to Curb (ft): 57.0
• Turning Diameter - Wall to Wall (ft): N/A
• Frame Type: Hydroformed
• Fuel Tank Capacity, Approx (gal): 36
• Fuel Tank Location: - TBD -
• Wheelbase (in): 172
• Length, Overall (in): 266.77
• Width, Max w/o mirrors (in): 81.85
• Height, Overall (in): 80.67
• Overhang, Front (in): - TBD -
• Overhang, Rear w/o bumper (in): - TBD -
• Front Bumper to Back of Cab (in): - TBD -
• Cab to Axle (in): 55.2
• Cab to End of Frame (in): - TBD -
• Ground to Top of Load Floor (in): - TBD -
• Ground to Top of Frame (in): - TBD -
• Frame Width, Rear (in): - TBD -
• Ground Clearance, Front (in): 11.14
• Ground Clearance, Rear (in): 11.14
• Cargo Box Length @ Floor (in): 98.22
• Cargo Box Width @ Top, Rear (in): - TBD -
• Cargo Box Width @ Floor (in): 71.4
• Cargo Box Width @ Wheelhousings (in): 50.55
• Cargo Box (Area) Height (in): 21
• Tailgate Width (in): - TBD -
• Cargo Volume (ft³): 83.5
• Ext'd Cab Cargo Volume (ft³): - TBD -
• Passenger Capacity: 5
• Front Head Room (in): 39.88
• Front Leg Room (in): 44.53
• Front Shoulder Room (in): 66.02
• Front Hip Room (in): 61.18
• Second Head Room (in): 40.12
• Second Leg Room (in): 43.4
• Second Shoulder Room (in): 65.3

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.