New 2026 GMC Sierra 3500 Denali Crew Cab
Stock #56409
Vehicle Notes
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Chassis Details
Stock Number
56409
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 3500
Class
3
GVWR
12,250
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
Denali
Vehicle VIN
1GT4UWEY1TF345885
Interior Color
Jet Black, Forge Perforated Leather seating surfaces
Seating Capacity
5
Exterior Color Description
Onyx Black
Engine Cylinder Count
8
Engine
6.6L Duramax Turbo-Diesel V8 engine
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
L5P
Engine Size (L)
6.6
Horsepower
470
Vehicle Options
- Assist steps, chromed tubular, 6" rectangular cab length (factory installed) (Not available with (BRS) power-retractable assist steps with LED perimeter lighting.)
- Moldings, beltline, stainless steel
- Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
- Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
- Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
- Driver memory, recalls driver "presets" for power driver seat and outside mirrors
- Tailgate and bed rail protection caps, top
- Windows, power rear, express down
- Trailer Side Blind Zone Alert
- Window, power front, drivers express up/down
- Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
- Bluetooth for phone connectivity to vehicle infotainment system
- Exterior Temperature Display located in radio display
- 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
- CornerStep, rear bumper
- Window, power front, passenger express up/down
- Defogger, rear-window electric
- Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- Steering wheel, wrapped
- Floor covering, color-keyed carpeting
- Seats, ventilated driver and front passenger
- Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- GMC Premium information Display- 13.4" diagonal Multicolor touch screen
- Daytime Running Lamps LED signature lighting
- 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.)
- LED Signature DRL's
- Front and Rear Park Assist, ultrasonic
- Cooling, external engine oil cooler
- 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
- Floor mats, carpeted front (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
- Air filtration monitoring
- Remote vehicle starter system
- Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
- Cargo tie downs (12), fixed, rated at 500 lbs per corner
- 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 Belt Adjustable Guide Loops, front row only
- Rear Seat Reminder
- Transfer case, two-speed active electronic Autotrac with push button control
- Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
- 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)
- Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
- Air filter, heavy-duty
- Recovery hooks, front, Chrome (Plant installed.)
- Single Rear Wheels (STD)
- Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
- Adaptive Cruise Control
- Universal Home Remote
- Steering wheel, heated
- Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
- Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
- Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
- Rear Cross Traffic Alert
- Four wheel drive
- Fog lamps, LED
- Mirror caps, chrome
- Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
- Safety Alert Seat
- Seat adjuster, driver 12-way power including lumbar
- Trailer Camera Provisions and trailer viewing software
- Hill Descent Control (Not available with dual rear wheels.)
- USB Ports, 2, Charge/Data ports located inside center console
- 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)
- 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.)
- Keyless Open and Start includes remote keyless entry
- 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.)
- Trailer brake controller, integrated
- Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
- Suspension, Off-Road includes twin-tube shocks (Not available with dual rear wheels.)
- Seats, front bucket with center console (STD)
- 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)
- 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.)
- LPO, Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included with (L5P) Duramax 6.6L Turbo Diesel V8 engine.)
- Seats, heated second row outboard seats
- Steering column, manual Tilt-Wheel and telescoping
- Wheelhouse liners, rear (Not available with dual rear wheel models.)
- Grille, Signature Chrome Denali grille
- Door handles, chrome
- Skid Plates protect the oil pan, front axle and transfer case
- Bose Sound System, premium 7-speaker system with Richbass woofer
- Theft-deterrent system, unauthorized entry
- 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.)
- 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.
- Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
- Bumper, front, body-color lower
- 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
- Steering wheel audio controls
- Wireless Charging
- Wheels, 20" (50.8 cm) Ultra-bright machined wheels with bright chrome inserts with Black painted pockets (STD) (Requires single rear wheels.)
- Tire, spare LT275/70R18 all-terrain, blackwall (STD) (Included and only available with (QF9) LT275/65R20 all-terrain, blackwall tires on single rear wheel models.)
- Bed Step, Black integrated on forward portion of bed on driver and passenger side
- Lamps, Smoked Amber roof marker, (LED) (Standard with dual rear wheels. Not available with (YF5) California state emissions requirements on single rear wheels.)
- Tires, LT275/65R20 all-terrain, blackwall (STD) (Requires single rear wheels.)
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
- Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
- Brake lining wear indicator
- Bumper, rear body-color with bumper CornerSteps
- Glass, deep-tinted
- USB Ports, 2 (first row) located on console
- Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
- Air conditioning, dual-zone automatic climate control
- 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
- SiriusXM
- Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
- Seat trim, Forge Perforated Leather seating surfaces
- Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
- IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
- Seat adjuster, passenger 12-way power including lumbar
- Seating, heated driver and front outboard passenger
- Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
- Auto-locking rear differential
- Cooling, auxiliary external transmission oil cooler
- Window, power, rear sliding with rear defogger
- Wireless Phone Projection for Apple CarPlay and Android Auto
- USB ports, (2) charge-only, rear
- Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
- Compass, located in instrument cluster
- OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
- LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
- Door locks, power
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Winter Grille Cover
- Capped Fuel Fill
- Gooseneck / 5th Wheel Prep Package
- Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible
- Engine block heater
- Multicolor 15" Diagonal Head-Up Display
- GVWR, 12,250 lbs. (5557 kg) with single rear wheels
- Rear Camera Mirror
- Option/package discount
- Denali Reserve Package
- Premium Floor Liners with removable carpet insert, rear
- Exhaust Brake
- Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington state requirements
- Denali Preferred Equipment Group
- Sunroof, power
- Premium Floor Liners with removable carpet insert, front
- License plate kit, front
- Single Rear Wheels
- Transmission, 10-speed automatic
- Jet Black, Forge Perforated Leather seating surfaces
- Battery, heavy-duty 730 cold-cranking amps/70 Amp-hr
- Alternator, 220 amps
- Onyx Black
- Rear axle, 3.42 ratio
- Technology Package
- Snow Plow Prep/Camper Package
- DENALI RESERVE PACKAGE DISCOUNT
- CUSTOMER DIALOGUE NETWORK
- View All
Body Details
Body Type
Pickup
Disclaimer:
May not represent actual vehicle. (Options, colors, trim and body style may vary)
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
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