Back to GMC.com

Locate GMC Work Trucks

New 2026 GMC Sierra 3500 Denali Ultimate Crew Cab

Stock #T4928

Window Sticker

Chassis Details

Stock Number

T4928

Stock Type

New

Year

2026

Make

GMC

Model

Sierra 3500

Class

GVWR

12,100

Drivetrain

4WD

Cab Type

Crew

Vehicle Trim

Denali Ultimate

Interior Color

Alpine Umber, Full Grain Leather seating surfaces

Seating Capacity

Exterior Color Description

Sterling Metallic

Engine Cylinder Count

Engine

6.6L Duramax Turbo-Diesel V8 engine

Transmission Type

Automatic

Fuel Type

Diesel

Engine Model

L5P

Engine Size (L)

6.6

Horsepower

470

Brake Type

Hydraulic

Vehicle Options

Floor covering, color-keyed carpeting
Bed Step, Black integrated on forward portion of bed on driver and passenger side
Sunroof, power
Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm])
Air vents, rear
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
Glass, deep-tinted
Steering wheel, heated
Tires, LT275/65R20 all-terrain, blackwall (Requires single rear wheels.)
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
Adaptive Cruise Control
Wipers, front rain-sensing
Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
Daytime Running Lamps LED signature lighting
Window, power, rear sliding with rear defogger
Recovery hooks, front, Chrome (Plant installed.)
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
SiriusXM
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
Wheels, 20" (50.8 cm) Ultra-bright machined aluminum wheels with gloss black inserts with Black painted pockets (STD) (Requires single rear wheels.)
Pickup bed
Remote vehicle starter system
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Seat Belt Adjustable Guide Loops, front row only
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.)
Steering wheel, leather-wrapped
Seats, ventilated driver and front passenger
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
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
LED Signature DRL's
Rear Camera Mirror inside rearview auto-dimming with full camera display
Winter Grille Cover
HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a center stack display. Includes front camera washer.
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)
Engine block heater
Window, power front, passenger express up/down
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
LPO, MultiPro Tailgate Audio System by Kicker (dealer-installed)
Single Rear Wheels
Multicolor 15" Diagonal Head-Up Display
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.)
Air filter, heavy-duty
Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
Window, power front, drivers express up/down
Cooling, external engine oil cooler
Theft-deterrent system, unauthorized entry
Rear Cross Traffic Alert
Rear Seat Reminder
SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy, visit siriusxm.com which includes full terms and how to cancel. All fees, content, features, and availability are subject to change. Some features require GM connected vehicle services.)
Capped Fuel Fill
Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
Brake lining wear indicator
Assist steps, power-retractable with LED perimeter lighting and bright accent (Not available with any other assist steps.)
Exterior Temperature Display located in radio display
Trailer Side Blind Zone Alert
USB Ports, 2, Charge/Data ports located inside center console
Keyless Open and Start includes remote keyless entry
Seat trim, Full Grain Leather seats
Door locks, power
Bumper, front, body-color lower
Seat adjuster, passenger 16-way power including lumbar and massage
Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
Moldings, beltline, stainless steel
Bedliner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Available with Ship Thru code (SQE), (TCE) or (TCH), not available with any other Ship Thru code.)
Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
Seats, front bucket with center console (STD)
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
USB ports, (2) charge-only, rear
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
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)
Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
Push Button Start
Auto-locking rear differential
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)
Hill Descent Control (Not available with dual rear wheels.)
Steering wheel audio controls
3 Years OnStar One (Requires (UE1) OnStar. Safety Services, WI-FI, and In-Vehicle Apps, all connected by OnStar. Info at OnStar.com/Plans. After initial 3-year period, requires paid OnStar plan. OnStar services vary by vehicle and model and require an active service plan, working electrical system, cell reception and GPS signal. See onstar.com for details and limitations. Terms apply.)
Seat adjuster, driver 16-way power including lumbar and massage
Air conditioning, dual-zone automatic climate control
Rear axle, 3.42 ratio
Wireless Charging
Bluetooth for phone connectivity to vehicle infotainment system
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Driver memory, recalls driver "presets" for power driver seat and outside mirrors
Compass, located in instrument cluster
GMC Premium information Display- 13.4" diagonal Multicolor touch screen
Wireless Phone Projection for Apple CarPlay and Android Auto
Wheelhouse liners, rear (Not available with dual rear wheel models.)
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
Mirror caps, chrome
USB Ports, 2 (first row) located on console
Universal Home Remote
Grille, Signature Denali Ultimate grille in Vader chrome with High Gloss Black surround
GVWR, 12,100 lbs. (5488 kg) with single rear wheels (STD) (Included and only available with TK30743 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine. Requires single rear wheels.)
Cooling, auxiliary external transmission oil cooler
Air filtration monitoring
Technology Package includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display
Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF9) LT275/65R20 all-terrain, blackwall tires on single rear wheel models.)
Exhaust Brake
Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width underseat storage, (includes child seat top tether anchor)
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
Windows, power rear, express down
Trailer Camera Provisions and trailer viewing software
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
Front and Rear Park Assist, ultrasonic
Tailgate and bed rail protection caps, top
Steering column, manual Tilt-Wheel and telescoping
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Defogger, rear-window electric
Skid Plates protect the oil pan, front axle and transfer case
CornerStep, rear bumper
Suspension, Off-Road includes twin-tube shocks (Not available with dual rear wheels.)
Floor mats, carpeted front (Includes Premium floor mats with corner applique.)
Transfer case, two-speed active electronic Autotrac with push button control
Transmission, 10-speed automatic (STD)
OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
Fog lamps, LED
Safety Alert Seat
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you're in need. (Requires (UE1) OnStar. OnStar Basics includes remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)
Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
Four wheel drive
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
Bumper, rear body-color with bumper CornerSteps
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.)
Seats, heated second row outboard seats
Door handles, chrome
Bose Premium Series with 12-speaker system with CenterPoint, Richbass woofer and AudioPilot
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
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.)
Seating, heated driver and front outboard passenger
Tailgate, GMC MultiPro Tailgate with six functional load/access features. NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details
Trailer brake controller, integrated
Sierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking
Alternators, dual, 220-amps primary, 170-amps auxiliary
Gooseneck / 5th Wheel Prep Package
High idle switch
3 Years SiriusXM
Alpine Umber, Full Grain Leather seating surfaces
Denali Ultimate Preferred Equipment Group
Emissions, Federal requirements
Sterling Metallic
GVWR, 12,100 LBS. (5488 KG)
CUSTOMER DIALOGUE NETWORK
View All