Back to GM Fleet

Locate Chevrolet and GMC Work Trucks

New 2026 GMC Sierra 2500 Denali Crew Cab

Stock #G21477

Window Sticker

Chassis Details

Stock Number

G21477

Stock Type

New

Year

2026

Make

GMC

Model

Sierra 2500

Class

GVWR

10,850

Drivetrain

4WD

Cab Type

Crew

Vehicle Trim

Denali

Vehicle VIN

1GT4URE78TF321477

Interior Color

Jet Black, Forge Perforated Leather seat trim

Seating Capacity

Exterior Color Description

Sterling Metallic

Engine Cylinder Count

Engine

6.6L V8 Gas engine

Transmission Type

Automatic

Fuel Type

Gasoline

Engine Model

L8T

Engine Size (L)

6.6

Horsepower

401

Vehicle Options

Hill Descent Control
Fog lamps, LED
Four wheel drive
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Remote vehicle starter system
Bluetooth for phone connectivity to vehicle infotainment system
Trailer Camera Provisions and trailer viewing software
Seat Belt Adjustable Guide Loops, front row only
Trailer brake controller, integrated
Air vents, rear
Window, power front, passenger express up/down
Steering wheel, wrapped
Floor covering, color-keyed carpeting
Seats, ventilated driver and front passenger
Steering wheel audio controls
Door locks, power
Trailer Side Blind Zone Alert
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Floor mats, carpeted front (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
Bumper, rear body-color with bumper CornerSteps
Seat adjuster, passenger 12-way power including lumbar
OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select 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 select 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.)
Daytime Running Lamps, LED signature lighting
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
Compass, located in instrument cluster
Transmission, 10-Speed automatic (STD)
Cooling, auxiliary external transmission oil cooler
Grille (Signature Chrome Denali grille.)
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
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
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
Driver memory recalls driver "presets" for power driver seat and outside mirrors
Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Assist steps, chromed tubular, 6" rectangular cab length (factory installed)
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
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
Air filter, heavy-duty
Seat, Up-level Rear with Storage Package 60/40 folding bench, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
Tailgate and bed rail protection caps, top
Windows, power rear, express down
Auto-locking rear differential
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)
Window, power, rear sliding with rear defogger
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
Wheelhouse liners, rear
Steering wheel, heated
Lamps, Smoked Amber roof marker, (LED) (Not available with (YF5) California state emissions requirements.)
Wireless phone projection for Apple CarPlay and Android Auto
Air conditioning, dual-zone automatic climate control
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
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.)
GVWR, 10,850 lbs. (4921 kg) (STD) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)
Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
Tires, LT275/65R20 all-terrain, blackwall (STD)
Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
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.)
Steering column, manual Tilt-Wheel and telescoping
Keyless Open and Start includes remote keyless entry
Wheels, 20" (50.8 cm) Ultra-bright machined wheels with Black painted pockets (STD)
Rear Seat Belt Indicator
Windows, power front, drivers express up/down
Theft-deterrent system, unauthorized entry
Seats, front bucket with center console (STD)
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Recovery hooks, front, Chrome (plant installed.)
USB Ports, 2, Charge/Data ports located inside center console
Seats, heated second row outboard seats
Exterior Temperature Display, located in radio display
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
Suspension, Off-Road includes twin-tube shocks
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
Transfer case, two-speed active, electronic Autotrac with push button control
Brake lining wear indicator
Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
Adaptive Cruise Control
Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
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.)
Tire, spare LT275/70R18 all-terrain, blackwall
Bose Sound System, premium 7-speaker system with Richbass woofer
LED Signature DRL's
LPO, Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
GMC Premium information Display- 13.4" diagonal Multicolor touch screen
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
SiriusXM Trial Subscription
Defogger, rear-window electric
Air filtration monitoring
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Bed Step, Black integrated on forward portion of bed on driver and passenger side
Safety Alert Seat
Universal Home Remote
Wireless Charging
Mirror, inside rearview auto-dimming
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
Rear Seat Reminder
Wipers, front rain-sensing
Rear Cross Traffic Alert
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.)
CornerStep, rear bumper
Glass, deep-tinted
Seat trim, Forge Perforated Leather
USB Ports, 2 (first row) located on console
Bumper, front, body-color lower
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.)
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.)
USB ports, (2) charge-only, rear
Seating, heated driver and front outboard passenger
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.
Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD)
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
Mirror caps, chrome
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.)
Cooling, external engine oil cooler
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Moldings, beltline, chrome
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, (U12) perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm]) lighting
Seat adjuster, driver 12-way power including lumbar
Skid Plates protect the oil pan, front axle and transfer case
Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
Front and Rear Park Assist, ultrasonic
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
Door handles, chrome
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
LPO, All-weather floor liner, 1st and 2nd rows
Multicolor 15" Diagonal Head-Up Display
Emissions, Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington state requirements
Rear Camera Mirror
Option/package discount
Denali Reserve Package
LPO, GMC Protection Package
Denali Preferred Equipment Group
Sunroof, power
License plate kit, front, Incandescent lighting
3 Years SiriusXM
Alternator, 220 amp
Sterling Metallic
Jet Black, Forge Perforated Leather seat trim
Technology Package
Snow Plow Prep/Camper Package
LPO, Front and rear molded splash guards, Black
DENALI RESERVE PACKAGE DISCOUNT
View All

Body Details

Body Type

Pickup

Pricing Details

Disclaimer:

Tax, title, license and dealer fees (unless itemized above) are extra. Not available with special finance or lease offers. See dealer for complete details on pricing.
MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the Fuel Economy portion of the EPAs website for details, including a MPG recalculation tool).