Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
White
Interior Colour
Tan
Transmission
Automatic
Drivetrain
4×4
Stock
26HD130
Fuel Type
Diesel
Trim Details
Crew Cab Standard Box 4-Wheel Drive Denali Ultimate
Description
Introducing the 2026 GMC Sierra 2500HD Denali Ultimate in a pristine white finish, equipped with a robust 4×4 drivetrain for exceptional handling in any condition. This new crew cab standard box truck is designed for those who crave luxury and capability in equal measure.
The exterior of this Denali Ultimate features an eye-catching Glacier White Tricoat with striking black accents, thanks to the Black Badging Package. The vehicle proudly stands on 20" ultra-bright machined aluminum wheels with gloss black inserts, complemented by all-terrain tires. For added versatility, the Gooseneck/5th Wheel Prep Package and a hard folding truck bed cover ensure you're ready for any adventure or job.
Step inside the opulent interior featuring full-grain Alpine Umber leather seat trim and modern technological conveniences. The cabin is engineered for comfort with heated and cooled front bucket seats, adaptive cruise control, a heated steering wheel, and a sunroof. Drivers will appreciate the high-tech 13.4" premium GMC infotainment system, complete with Google Built-In apps, navigation, and seamless smartphone integration via Apple CarPlay and Android Auto.
Safety is a top priority, as showcased by features like the heads-up display, lane assist, and parking sensors. Rest assured knowing you're equipped with a comprehensive suite of driver assistance technologies.
Perfect for both the discerning professional and adventurous spirits, the 2026 GMC Sierra 2500HD Denali Ultimate is designed to tackle any task with style and confidence. Contact Robinson Buick GMC today to learn more and take this powerhouse for a test drive.
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
-
Power Retractable Running Boards
-
Running Boards/Side Steps
-
Bed Liner
-
Bed Step, Black integrated on forward portion of bed on driver and passenger side
-
Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
-
Mouldings, beltline, chrome
-
Grille (Signature Denali Ultimate grille in Vadar chrome with High Gloss Black surround.)
-
Winter Grille Cover
-
Daytime Running Lights
-
Automatic Highbeams
-
Fog 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
-
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
-
Lamps, Smoked Amber roof marker, (LED)
-
Heated Mirrors
-
Integrated Turn Signal Mirrors
-
Power Folding Mirrors
-
Power Mirror(s)
-
Privacy Glass
-
Intermittent Wipers
-
Rain Sensing Wipers
-
Variable Speed Intermittent Wipers
-
Door handles, chrome
-
Integrated Tailgate Step
-
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
-
Tailgate and bed rail protection caps, top
-
Bucket Seats
-
Leather Seats
-
Pass-Through Rear Seat
-
Rear Bench Seat
-
Driver Adjustable Lumbar
-
Power Driver Seat
-
Seat-Massage
-
Passenger Adjustable Lumbar
-
Power Passenger Seat
-
Heated Front Seat(s)
-
Cooled Front Seat(s)
-
Heated Rear Seat(s)
-
Mirror Memory
-
Seat Memory
-
Floor covering, colour-keyed carpeting
-
Floor Mats
-
Leather Steering Wheel
-
Heated Steering Wheel
-
Steering Wheel Audio Controls
-
Adjustable Steering Wheel
-
Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
-
Heads-Up Display
-
Rear Seat Reminder
-
GMC Premium information Display- 13.4" diagonal Multicolour touch screen
-
Exterior Temperature Display, located in radio display
-
Compass, located in instrument cluster
-
Power Windows
-
Rear Defrost
-
Sliding Rear Window
-
Power Door Locks
-
Keyless Entry
-
Keyless Start
-
Remote Engine Start
-
Adaptive Cruise Control
-
Cruise Control
-
Universal Garage Door Opener
-
Wireless Charging
-
Security System
-
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
-
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 (Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
-
Running Boards/Side Steps
-
GVWR, 11,350 lbs. (5148 kg) (Requires TK20743 Crew Cab model, (L5P) Duramax 6.6L Turbo-Diesel V8 engine, with 20" or 22" wheels and tires. Not available with (NHT) Max Trailering Package.)
-
Keyless Start
-
Engine block heater
-
Hill Descent Control
-
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
-
Air filter, heavy-duty
-
Air filtration monitoring
-
Battery, heavy-duty dual 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
-
In-Vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert when (PTT) trailer tire pressure monitor sensors are installed.)
-
Tow Hooks
-
Skid Plates protect the oil pan, front axle and transfer case
-
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
-
Suspension, Off-Road includes twin-tube shocks
-
Power Steering
-
4-Wheel Disc Brakes
-
ABS
-
Exhaust brake
-
Brake lining wear indicator
-
Capped Fuel Fill
-
Back-Up Camera
-
Heads-Up Display
-
X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
-
Automatic Highbeams
-
Front Collision Mitigation
-
Front Collision Warning
-
Lane Departure Warning
-
Tow Hitch
-
ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
-
Front Collision Mitigation
-
Front Collision Warning
-
Stability Control
-
Traction Control
-
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
-
Trailer Camera Provisions and trailer viewing software
-
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
-
Lane Departure Warning
-
Rear Seat Belt Indicator
-
Cross-Traffic Alert
-
Blind Spot Monitor
-
Seat Belt Adjustable Guide Loops, front row only
-
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.)
-
Safety Alert Seat
-
Driver Restriction Features
-
Tire Pressure Monitor
-
Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories
-
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
No matches were found.
-
Vehicle NameGMC Sierra 2500HD
-
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
-
Transfer Case Gear Ratio (:1), High1
-
Passenger Capacity5
-
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
-
Second Hip Room (in)60.24
-
Gross Axle Wt Rating - Front (lbs)5600
-
Gross Axle Wt Rating - Rear (lbs)6600
-
Curb Weight - Front (lbs)4013
-
Curb Weight - Rear (lbs)2812
-
Gross Vehicle Weight Rating Cap (lbs)11350
-
Gross Combined Wt Rating (lbs)27500
-
Dead Weight Hitch - Max Trailer Wt. (lbs)5000
-
Dead Weight Hitch - Max Tongue Wt. (lbs)500
-
Wt Distributing Hitch - Max Trailer Wt. (lbs)18500
-
Wt Distributing Hitch - Max Tongue Wt. (lbs)1850
-
Fifth Wheel Hitch - Max Trailer Wt. (lbs)17200
-
Fifth Wheel Hitch - Max Tongue Wt. (lbs)4300
-
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)730
-
Maximum Alternator Capacity (amps)220
-
Frame TypeBox Ladder
-
Suspension Type - FrontShort/Long Arm w/Torsion Bar
-
Suspension Type - Rear2-Stage Multi-Leaf
-
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 CodeQF9
-
Rear Tire Order CodeQF9
-
Spare Tire Order CodeZYG
-
Front Tire SizeLT275/65R20
-
Rear Tire SizeLT275/65R20
-
Spare Tire SizeLT275/70R18
-
Front Wheel Size (in)20
-
Rear Wheel Size (in)20
-
Spare Wheel Size (in)18
-
Front Wheel MaterialAluminum
-
Rear Wheel MaterialAluminum
-
Steering TypePwr Recirculating Ball
-
Turning Diameter - Curb to Curb (ft)52.7
-
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)159
-
Length, Overall (in)250.75
-
Width, Max w/o mirrors (in)81.85
-
Height, Overall (in)79.82
-
Cab to Axle (in)42.17
-
Ground Clearance, Front (in)10.28
-
Ground Clearance, Rear (in)10.28
-
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.
Find Us
Similar Vehicles
Crew Cab Standard Box 4-Wheel Drive Denali Ultimate
VIN: 1GT4UXEY2TF215328
4WD Crew Cab Long Box Denali
VIN: 1GT4UWEY7TF217604
Crew Cab Standard Box 4-Wheel Drive Denali Ultimate
VIN: 1GT4UXEY8TF223353
4WD Crew Cab Long Box Denali Ultimate
VIN: 1GT4UYEY7TF233684
6.85ft Box Length
VIN: 1GT4UXEY6TF232505
4WD Crew Cab Standard Box Denali Ultimate
VIN: 1GT4UYEY9TF292851
* 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 2500HD Denali Ultimate may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.
Calculate Payments
Finance
Lease