1 of 16
2026 GMC Sierra 3500HD Denali Ultimate
Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
Gray
Interior Colour
Tan
Transmission
Automatic
Drivetrain
4×4
Stock #
301987
Trim Details
4WD Crew Cab Standard Box Denali Ultimate
The 2026 GMC Sierra 3500HD Denali Ultimate 4WD is the ultimate expression of heavy-duty capability blended with premium luxury. Designed for serious towing, tough terrain, and refined travel, this truck delivers power, comfort, and cutting-edge technology in equal measure. Whether hauling equipment, navigating snowy roads, or cruising long distances, the Sierra 3500HD Denali Ultimate handles it all with confidence and style.Â
Â
Performance & CapabilityÂ
Engine: 6.6L Duramax® Turbo-Diesel V8 engine delivering massive torque and proven reliabilityÂ
Transmission: Allison® 10-speed automatic transmission for smooth power delivery and towing controlÂ
Drivetrain: Autotrac® 4WD with two-speed transfer case and automatic locking rear differentialÂ
Suspension: Z71 off-road suspension package with skid plates for rugged terrainÂ
Braking & Stability: 4-wheel anti-lock disc brakes, Hill Descent Control, and Trailer Brake ControllerÂ
Towing: Equipped with Gooseneck/5th Wheel Prep Package, Trailer Tire Pressure Monitor, Hitch Guidance, and Trailer Side Blind Zone AlertÂ
Cooling & Support: Engine oil cooler, transmission fluid cooler, heavy-duty air filter, and exhaust brake for demanding workloadsÂ
Drive Comfort: Digital Variable Steering Assist and reinforced defrost/heating system for smooth, stable control in all conditionsÂ
Â
Interior Comfort & DesignÂ
Seating: Heated and ventilated front bucket seats with power massage and power-adjustable bolstersÂ
Rear Seats: Heated second-row outboard seating and under-seat storage with rear seat reminder systemÂ
Cabin Luxury: Jet Black / Alpine Umber full-grain leather interior with real wood trim and premium headlinerÂ
Climate: Dual-zone automatic climate control with rear air ventsÂ
Driver Convenience: Push-button start, power sliding rear window, wireless charging, and memory settings for seats and mirrorsÂ
Sunroof: Power panoramic sunroof for added light and luxuryÂ
Noise Reduction: Deep-tinted glass and premium materials for a quiet rideÂ
Â
Technology & ConnectivityÂ
Infotainment: 13.4" GMC Premium Infotainment System with Google Built-In, navigation, and voice recognitionÂ
Connectivity: Wireless Apple CarPlay® & Android Autoâ„¢, 4G LTE Wi-Fi hotspot capabilityÂ
Displays: 12" reconfigurable digital driver display and head-up display (HUD) for key info at a glanceÂ
Audio: Premium Bose® sound system and available MultiProâ„¢ Tailgate Audio by Kicker®Â
Cameras: HD Surround Vision, Bed View Camera, Rear Camera Mirror, Hitch View, and Trailer Camera ProvisionsÂ
Power Outlets: Dual 120V AC outlets (interior and bed-mounted) and multiple USB ports in both rowsÂ
Â
Safety & Driver AssistanceÂ
Airbag Coverage: Full suite of front, side, curtain, and passenger airbag systemsÂ
Driver Aids: Adaptive Cruise Control, Forward Collision Alert, Automatic Emergency Braking, and Front Pedestrian BrakingÂ
Lane Safety: Lane Departure Warning and Following Distance IndicatorÂ
Parking Assistance: Front and Rear Park Assist with Rear Cross Traffic AlertÂ
Visibility: LED headlamps, fog lamps, cargo bed lighting, and rain-sensing windshield wipersÂ
Teen Driver Mode: Custom settings and report card system to encourage safe driving habitsÂ
Â
Exterior Styling & UtilityÂ
Exterior Colour: Titanium Rush Metallic with chrome mirror caps and chrome recovery hooksÂ
Wheels & Tires: 20" machined aluminum wheels with LT275/65R-20 all-terrain tires and full-size matching spareÂ
Tailgate: GMC MultiProâ„¢ Tailgate with EZ lift, power lock/release, and integrated Kicker® audio systemÂ
Bed Utility: Spray-on bedliner, LED cargo lighting, 120V power outlet, and bed view cameraÂ
Steps & Mirrors: Power-retractable assist steps with perimeter lighting and trailer mirrors with auto-dimming, heat, and task lightingÂ
Winter Readiness: Engine block heater, strong defrost system, and optional winter grille coverÂ
Â
For those who demand uncompromising power, luxury, and utility, the 2026 GMC Sierra 3500HD Denali Ultimate 4WD delivers a class-defining experience — engineered to master the toughest jobs while providing a first-class cabin for every mile ahead.Â
Packages & Options
Standard Equipment
Technical Specifications
-
AM/FM Stereo
-
Auxiliary Audio Input
-
Bluetooth Connection
-
MP3 Player
-
Navigation System
-
Smart Device Integration
-
Requires Subscription
-
Satellite Radio
-
Premium Sound System
-
WiFi Hotspot
-
Aluminum Wheels
-
Tires - Front All-Terrain
-
Tires - Rear All-Terrain
-
Conventional Spare Tire
-
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
-
Generic Sun/Moonroof
-
Sun/Moonroof
-
Bumper, front, body-colour lower
-
Bumper, rear body-colour with bumper CornerSteps
-
CornerStep, rear bumper
-
Bed Step, Black integrated on forward portion of bed on driver and passenger side
-
Power Retractable Running Boards
-
Running Boards/Side Steps
-
Mouldings, beltline, stainless steel
-
Wheelhouse liners, rear (Not available with dual rear wheel models.)
-
Bed Liner
-
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
-
Daytime Running Lights
-
LED Headlights
-
Automatic Highbeams
-
Fog Lamps
-
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
-
Lamps, cargo area, cab mounted integrated with centre 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 centre switch bank or key fob
-
Lamps, Smoked Amber roof marker, (LED) (Standard with dual rear wheels.)
-
Heated Mirrors
-
Integrated Turn Signal Mirrors
-
Power Folding Mirrors
-
Power Mirror(s)
-
Mirror caps, chrome
-
Intermittent Wipers
-
Rain Sensing Wipers
-
Variable Speed Intermittent Wipers
-
Privacy Glass
-
Rear Defrost
-
Sliding Rear Window
-
Door handles, chrome
-
Integrated Tailgate Step
-
Tailgate and bed rail protection caps, top
-
Premium Sound System
-
Bucket Seats
-
Leather Seats
-
Driver Adjustable Lumbar
-
Power Driver Seat
-
Seat-Massage
-
Passenger Adjustable Lumbar
-
Power Passenger Seat
-
Pass-Through Rear Seat
-
Rear Bench Seat
-
Heated Front Seat(s)
-
Cooled Front Seat(s)
-
Heated Rear Seat(s)
-
Mirror Memory
-
Seat Memory
-
Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
-
Floor covering, colour-keyed carpeting
-
Floor Mats
-
Leather Steering Wheel
-
Heated Steering Wheel
-
Adjustable Steering Wheel
-
Steering Wheel Audio Controls
-
Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
-
GMC Premium information Display- 13.4" diagonal Multicolour touch screen
-
Heads-Up Display
-
Exterior Temperature Display located in radio display
-
Compass, located in instrument cluster
-
Tire Pressure Monitor
-
Window, power front, drivers express up/down
-
Power Windows
-
Power Door Locks
-
Remote Engine Start
-
Keyless Entry
-
Keyless Start
-
Adaptive Cruise Control
-
Cruise Control
-
Universal Garage Door Opener
-
Security System
-
Wireless Charging
-
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
-
USB ports, (2) charge-only, rear
-
Auxiliary Audio Input
-
MP3 Player
-
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
-
A/C
-
Climate Control
-
Multi-Zone A/C
-
Air vents, rear
-
Rear Defrost
-
Auto-Dimming Rearview Mirror
-
Back-Up Camera
-
Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
-
8 Cylinder Engine
-
Diesel Fuel
-
Turbocharged
-
10-Speed A/T
-
A/T
-
Rear axle, 3.42 ratio
-
Pickup bed
-
GVWR, 12,100 lbs. (5488 kg) with single rear wheels (Included and only available with TK30743 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine. Requires single rear wheels.)
-
Engine block heater
-
Keyless Start
-
Air filter, heavy-duty
-
Air filtration monitoring
-
Transfer case, two-speed active electronic Autotrac with push button control
-
Locking/Limited Slip 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
-
Tow Hooks
-
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.)
-
Power Steering
-
4-Wheel Disc Brakes
-
ABS
-
Brake lining wear indicator
-
Capped Fuel Fill
-
Back-Up Camera
-
Heads-Up Display
-
Automatic Highbeams
-
Front Collision Mitigation
-
Front Collision Warning
-
Lane Departure Warning
-
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.)
-
Tow Hitch
-
ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
-
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
-
Front Collision Mitigation
-
Front Collision Warning
-
Stability Control
-
Traction Control
-
Hill Descent Control (Not available with dual rear wheels.)
-
Daytime Running Lights
-
Driver Air Bag
-
Front Head Air Bag
-
Front Side Air Bag
-
Passenger Air Bag
-
Passenger Air Bag Sensor
-
Rear Head Air Bag
-
Requires Subscription
-
Telematics
-
Rear Parking Aid
-
Aerial View Display System
-
Back-Up Camera
-
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
-
Cross-Traffic Alert
-
Blind Spot Monitor
-
Lane Departure Warning
-
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
-
Safety Alert Seat
-
Rear Seat Reminder
-
Driver Restriction Features
-
Seat Belt Adjustable Guide Loops, front row only
-
Rear Seat Belt Indicator (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)
-
Tire Pressure Monitor
No matches were found.
-
Vehicle NameGMC Sierra 3500HD
-
Body StyleCrew Cab Pickup
-
Body CodeE63
-
DrivetrainFour Wheel Drive
-
Trans Order CodeMGM
-
Trans Type10
-
Trans Description Cont.Automatic
-
First Gear Ratio (:1)4.54
-
Second Gear Ratio (:1)2.87
-
Third Gear Ratio (:1)2.06
-
Fourth Gear Ratio (:1)1.72
-
Fifth Gear Ratio (:1)1.48
-
Sixth Gear Ratio (:1)1.26
-
Seventh Gear Ratio (:1)1.00
-
Eighth Gear Ratio (:1)0.85
-
Ninth Gear Ratio (:1)0.69
-
Tenth Gear Ratio (:1)0.63
-
Reverse Ratio (:1)4.54
-
Passenger Capacity5
-
Front Head Room (in)43.03
-
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
-
Second Hip Room (in)60.24
-
Gross Axle Wt Rating - Front (lbs)5600
-
Gross Axle Wt Rating - Rear (lbs)7250
-
Gross Vehicle Weight Rating Cap (lbs)12100
-
Gross Combined Wt Rating (lbs)30000
-
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)21100
-
Fifth Wheel Hitch - Max Tongue Wt. (lbs)5275
-
Maximum Trailering Capacity (lbs)20000
-
Engine Order CodeL5P
-
Engine TypeTurbocharged Diesel V8
-
Displacement6.6L
-
Fuel SystemDirect Injection
-
SAE Net Horsepower @ RPM470 @ 2800
-
SAE Net Torque @ RPM975 @ 1600
-
Engine Oil CoolerYes
-
Cold Cranking Amps @ 0° F (Primary)720
-
Maximum Alternator Capacity (amps)170
-
Frame TypeHydroformed
-
Suspension Type - FrontShort/Long Arm w/Torsion Bars
-
Suspension Type - Rear3-Stage Multi-Leaf
-
Axle Type - FrontIndependent
-
Axle Ratio (:1) - Front3.42
-
Axle Ratio (:1) - Rear3.42
-
Shock Absorber Diameter - Front (mm)51
-
Shock Absorber Diameter - Rear (mm)51
-
Stabilizer Bar Diameter - Front (in)1.38
-
Front Tire Order CodeQF6
-
Rear Tire Order CodeQF6
-
Spare Tire Order CodeZYG
-
Front Tire SizeLT275/70R18
-
Rear Tire SizeLT275/70R18
-
Spare Tire SizeLT275/70R18
-
Front Wheel Size (in)18 x 8
-
Rear Wheel Size (in)18 x 8
-
Spare Wheel Size (in)18 x 8
-
Front Wheel MaterialAluminum
-
Rear Wheel MaterialAluminum
-
Spare Wheel MaterialSteel
-
Steering TypePwr Recirculating Ball
-
Steering Ratio (:1), At LockN/A
-
Turning Diameter - Curb to Curb (ft)52.7
-
Turning Diameter - Wall to Wall (ft)N/A
-
Brake TypePwr
-
Brake ABS System4-Wheel
-
Disc - FrontYes
-
Disc - RearYes
-
Front Brake Rotor Diam x Thickness (in)14 x 1.6
-
Rear Brake Rotor Diam x Thickness (in)14.1 x 1.3
-
Fuel Tank Capacity, Approx (L)136
-
Wheelbase (in)158.94
-
Length, Overall (in)250.75
-
Width, Max w/o mirrors (in)81.85
-
Height, Overall (in)81.2
-
Cab to Axle (in)42.17
-
Ground Clearance, Front (in)11.18
-
Ground Clearance, Rear (in)11.18
-
Cargo Box Length @ Floor (in)82.2
-
Cargo Box Width @ Floor (in)71.4
-
Cargo Box Width @ Wheelhousings (in)51.85
-
Cargo Box (Area) Height (in)21
-
Cargo Volume (ft³)69.5
No matches were found.
Similar Vehicles
4WD Crew Cab Standard Box Denali Ultimate
VIN: 1GT4UYEY7TF146304
4WD Crew Cab Standard Box Denali Ultimate
VIN: 1GT4UYEY4TF123255
4WD Crew Cab Long Box Denali
VIN: 1GT4UWEY6TF181789
4WD Crew Cab Standard Box AT4
VIN: 1GT4UVEY8TF142907
4WD Crew Cab Standard Box Denali Ultimate
VIN: 1GT4UYEY4TF133980
4WD Crew Cab Standard Box Denali
VIN: 1GT4UWEY4TF134082
* Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2026 GMC Sierra 3500HD Denali Ultimate may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.