1 of 53
2026 GMC Sierra 3500HD Denali
Image 0
Image 1
Image 2
Image 3
Image 4
Image 5
Image 6
Image 7
Image 8
Image 9
Image 10
Image 11
Image 12
Image 13
Image 14
Image 15
Image 16
Image 17
Image 18
Image 19
Image 20
Image 21
Image 22
Image 23
Image 24
Image 25
Image 26
Image 27
Image 28
Image 29
Image 30
Image 31
Image 32
Image 33
Image 34
Image 35
Image 36
Image 37
Image 38
Image 39
Image 40
Image 41
Image 42
Image 43
Image 44
Image 45
Image 46
Image 47
Image 48
Image 49
Image 50
Image 51
Image 52
Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
White
Transmission
Automatic
Drivetrain
4×4
Stock
26-72
Trim Details
Crew Cab Long Box 4-Wheel Drive Denali
Built for those who demand serious capability without giving up comfort, this 2026 GMC Sierra 2500HD Denali Crew Cab Long Box delivers professional-grade strength wrapped in unmistakable Denali luxury. Powered by the legendary Duramax® 6.6L V8 Turbo Diesel paired with a 10-speed automatic transmission, this HD truck is ready to tow, haul, and conquer demanding jobs with confidence — while keeping you comfortable mile after mile.
Inside, the Denali experience shines with heated and ventilated leather seats, heated second-row seating, and a refined Atmosphere/Brownstone interior. Advanced technology surrounds you with a 15" multicolor Head-Up Display, 13.4" GMC Premium Infotainment touchscreen with Google Built-In, Bose® premium audio, and a rear camera mirror that enhances visibility whether you’re towing or cruising. Thoughtful features like wireless charging, adaptive cruise control, and dual-zone automatic climate control make every drive effortless.
Finished in striking Glacier White Tricoat, this Sierra is equipped for real-world work and Western Canadian conditions with 4WD confidence, off-road suspension, skid plates, power-retractable assist steps with LED lighting, and a fully integrated trailering package with gooseneck/5th-wheel prep. From jobsite demands to weekend adventures around the Kootenays, this Denali does it all — in unmistakable style. Visit us in Trail to experience it in person.
Feature Highlights
✅ Duramax® 6.6L Turbo Diesel with 10-Speed Automatic
✅ Denali Reserve Package with 15" Head-Up Display
✅ Heated & Ventilated Leather Seating (Front & Rear)
✅ 13.4" Touchscreen w/ Google Built-In + Bose® Audio
✅ Advanced Trailering & HD Surround Vision
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
-
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
-
Running Boards/Side Steps
-
Moldings, beltline, stainless steel
-
Bed Liner
-
Cargo tie downs (12), fixed, rated at 500 lbs per corner
-
Grille, Signature Chrome Denali grille
-
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 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.)
-
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
-
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
-
Bucket Seats
-
Leather Seats
-
Driver Adjustable Lumbar
-
Power Driver Seat
-
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
-
Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
-
Floor covering, color-keyed carpeting
-
Floor Mats
-
Steering wheel, wrapped
-
Heated Steering Wheel
-
Adjustable Steering Wheel
-
Steering Wheel Audio Controls
-
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
-
Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
-
8 Cylinder Engine
-
Gasoline Fuel
-
10-Speed A/T
-
A/T
-
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
-
Running Boards/Side Steps
-
GVWR, 11,700 lbs. (5307 kg) with single rear wheels (Included and only available with model TK30943 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
-
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 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
-
Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
-
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
-
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
-
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
-
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
-
Navigation from Telematics
-
Requires Subscription
-
Telematics
-
WiFi Hotspot
-
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
-
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
-
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)
-
Tire Pressure Monitor
-
Navigation from Telematics
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)0.68
-
Tenth Gear Ratio (:1)0.63
-
Reverse Ratio (:1)4.54
-
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)7250
-
Curb Weight - Front (lbs)4152
-
Curb Weight - Rear (lbs)2927
-
Gross Vehicle Weight Rating Cap (lbs)12250
-
Gross Combined Wt Rating (lbs)29700
-
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)220
-
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 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 x 8.5
-
Rear Wheel Size (in)20 x 8.5
-
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)57.0
-
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 (gal)36
-
Wheelbase (in)172
-
Length, Overall (in)266.77
-
Width, Max w/o mirrors (in)81.85
-
Height, Overall (in)80.67
-
Cab to Axle (in)55.2
-
Ground Clearance, Front (in)11.14
-
Ground Clearance, Rear (in)11.14
-
Cargo Box Length @ Floor (in)98.22
-
Cargo Box Width @ Floor (in)71.4
-
Cargo Box Width @ Wheelhousings (in)50.55
-
Cargo Box (Area) Height (in)21
-
Cargo Volume (ft³)83.5
No matches were found.
Similar Vehicles
Crew Cab Long Box 4-Wheel Drive Denali Ultimate
VIN: 1GT4UYEY4TF201906