Order a Vehicle here!

Recent Price Drop!
Reduced by $500 since May 03, 2024 Get a Price Drop Alert

2020 GMC Sierra 3500 HD Denali



Visit our Store

Vehicle Information

VIN: 1GT49WEY0LF100982
Stock #: 240225A
Model Code: TK30743
  • Body Style Crew Cab
  • Exterior Color Summit White
  • Interior Color Jet Black, Forge Perforated Leather-Appointed Seat Trim
  • Mileage 112,876
  • Engine 6.6L Duramax Turbo-Diesel V8 engine
  • Transmission Automatic / 4WD

Highlighted Features

Feature availability subject to final vehicle configuration.

Dealer Comments

2020 GMC Denali Sierra 3500HD

This vehicle Contains the following features and options: Denali Ultimate Package (Power Sunroof), Driver Alert Package I (Lane Change Alert w/Side Blind Zone Alert, Rear Cross Traffic Alert, and Ultrasonic Front & Rear Park Assist), Driver Alert Package II (Automatic Emergency Braking, Following Distance Indicator, Forward Collision Alert, IntelliBeam Automatic High Beam On/Off, and Lane Departure Warning System), GMC Protection Package (LPO) (All-Weather Floor Liners (LPO) and Black Front & Rear Molded Splash Guards (LPO)), Gooseneck/5th Wheel Package, Gooseneck/5th Wheel Prep Package, Hitch Package (LPO), Preferred Equipment Group 5SA (12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 USB Ports (First Row), 2 USB Ports Inside Console, 2-Speed Active Transfer Case, 2nd Row Dual USB Charge-Only Ports, 2nd Row Heated Outboard Seats, 4G LTE Wi-Fi Hotspot Capable, 6 Rectangular Chromed Tubular Assist Steps, Chrome Recovery Hooks, Compass Located In Instrument Cluster, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, GMC Connected Access Capable, HD Rear Vision Camera, Heated Driver & Front Outboard Passenger Seats, Hitch Guidance w/Hitch View, In-Vehicle Trailering System App, Integrated Trailer Brake Controller, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, OnStar & GMC Connected Services Capable, Polished Exhaust Tip, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Defogger, ProGrade Trailering System, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, Signature Denali Grille w/High Gloss Black Mesh, Spray-On Pickup Bed Liner w/Denali Logo, Steering Wheel Audio Controls, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Ventilated Driver & Front Passenger Seats, and Wireless Charging), Snow Plow Prep/Camper Package, Technology Package (Auto-Dimming Inside Rearview Mirror w/Camera, Bed View Camera, HD Surround Vision w/2 Trailer View Camera Provisions, and Multicolor 15 Diagonal Head-Up Display), X31 Off-Road Package (Hill Descent Control), 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 220 Amp Alternator, 3.42 Rear Axle Ratio, 3.73 Rear Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic temperature control, Bose Premium 7 Speaker Sound System, Brake assist, Bumpers: body-color, Compass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Engine Block Heater, Exhaust Brake, Forge Perforated Leather-Appointed Seat Trim, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter, Genuine wood console insert, Genuine wood door panel insert, HD Radio, Heated door mirrors, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp Battery, Illuminated entry, Low tire pressure warning, Memory seat, Navigation System, Occupant sensing airbag, Off-Road Suspension, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Pickup Bed, Power door mirrors, Power driver seat, Power passenger seat, Power steering, Power windows, Premium audio system: Premium GMC Infotainment System, Radio: AM/FM w/Prem GMC Inf

Eligible Benefits

View AutoCheck report.

All Features

  • SiriusXM with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the All Access package, you can also enjoy your favorites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. (IMPORTANT: The SiriusXM radio trial package is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. See the SiriusXM Customer Agreement at www.siriusxm.com for complete terms and how to cancel. All fees, content, features, and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, working electrical system, cell reception and GPS signal. See onstar.com for details and limitations.)
  • Bose Sound System, premium 7-speaker system with Richbass woofer
  • HD Radio
  • Bluetooth® for phone connectivity to vehicle infotainment system
  • Audio system, Premium GMC Infotainment System with Navigation and 8" diagonal color touch-screen includes multi-touch display, AM/FM stereo, Bluetooth® streaming audio for music and most phones; featuring Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings. Includes greater memory. (STD) (Includes (PZ8) Hitch Guidance with hitch view.)
  • Glass, deep-tinted
  • BedStep, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
  • IntelliBeam, automatic high beam on/off (Included and only available with (PDJ) Driver Alert Package II.)
  • Bumper, rear body-color, with corner steps
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • Tailgate, GMC MultiPro Tailgate with six functional load/access features
  • 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])
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Taillamps, LED signature taillight with LED stop and reverse light
  • Wheelhouse liners, rear (Not available with dual rear wheel models.)
  • Mirror caps, chrome
  • Assist steps, chromed tubular, 6" rectangular cab length (factory installed)
  • Bed Liner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Denali logo replaces GMC logo. Not available with any Ship Thrus EXCEPT (VSH), (VTV), (TCH) or (TCE).)
  • Single Rear Wheels
  • Window, power, rear sliding with rear defogger
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Wheels, 20" (50.8 cm) multi-dimensional Polished aluminum (Requires single rear wheels.)
  • Fog lamps, LED
  • 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
  • Tires, LT275/65R20 all-terrain, blackwall (Requires single rear wheels.)
  • Bumper, front, body-color lower
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Lamps, Smoked Amber LED roof marker, (LED) (Standard with dual rear wheels. Not available with (YF5) California state emissions requirements on single rear wheels.)
  • Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
  • Grille, Signature Denali grille with high gloss Black mesh and Chrome inserts
  • CornerStep, rear bumper
  • Tailgate and bed rail protection caps, top
  • Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF9) LT275/65R20 all-terrain, blackwall tires on single rear wheel models.)
  • Door handles, chrome
  • LPO, Front and Rear Molded Splash Guards, Black
  • Winter Grille Cover
  • Sunroof, power
  • Summit White
  • License plate kit, front
  • USB ports, dual, charge-only (2nd row)
  • USB ports, 2 (first row) located on instrument panel
  • Driver memory, recalls driver "presets" for power driver seat and outside mirrors
  • Power outlet, rear auxiliary, 12-volt
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Seats, ventilated driver and front passenger
  • Defogger, rear-window electric
  • Steering column, lock control, electrical
  • Remote vehicle starter system
  • 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 ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed.)
  • Wireless Charging
  • Steering column, manual Tilt-Wheel and telescoping
  • Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Steering wheel audio controls
  • Window, power front, passenger express up/down
  • Windows, power rear, express down
  • Floor covering, color-keyed carpeting
  • Power outlet, front auxiliary, 12-volt
  • Window, power front, drivers express up/down
  • Exterior Temperature Display located in radio display
  • USB Ports (Inside Console with bucket seats), 2 also includes 1 SD card reader and auxiliary jack
  • Seat trim, Forge Perforated Leather-appointed seats
  • Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered.)
  • Seats, front bucket with center console (STD)
  • Universal Home Remote
  • Compass, located in instrument cluster
  • Seat adjuster, driver 10-way power including lumbar
  • Door locks, power
  • Cruise control, steering wheel-mounted
  • Seat adjuster, passenger 10-way power including lumbar
  • Steering wheel, heated
  • Theft-deterrent system, unauthorized entry
  • Air conditioning, dual-zone automatic climate control
  • Keyless Open and Start
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Air vents, rear
  • Seating, heated driver and front outboard passenger
  • Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Seats, heated second row outboard seats
  • Steering wheel, leather-wrapped
  • Driver Information Center, enhanced, 8" diagonal multi-color digital display includes analog speedometer and tachometer gauges
  • GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)
  • 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) (Rear seat is leather-appointed.)
  • LPO, All-weather floor liner, 1st and 2nd rows
  • Rear Camera Mirror: inside rearview auto-dimming with full camera display
  • Multi-color 15" Diagonal Head-Up Display
  • Jet Black, Forge Perforated leather-appointed seat trim
  • Pickup bed includes bed assist step
  • Skid Plates protect the oil pan, front axle and transfer case
  • Suspension, Off-Road includes twin-tube shocks (Not available with dual rear wheels.)
  • Air filtration monitoring
  • Brake lining wear indicator
  • Differential, heavy-duty locking rear
  • Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Air filter, high-capacity
  • LPO, Chrome recovery hooks (dealer installed)
  • Transfer case, two-speed active electronic Autotrac with push button control
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Trailer brake controller, integrated
  • Four wheel drive
  • Gooseneck / 5th Wheel Prep Package: -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball, stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).
  • GVWR, 12,100 lbs. (5488 kg) with single rear wheels
  • Exhaust Brake
  • Emissions, Federal requirements
  • Rear axle, 3.42 ratio
  • Driver Alert Package II includes (UEU) Forward Collision Alert, (UFL) Lane Departure Warning, (UHY) Automatic Emergency Braking, (TQ5) IntelliBeam headlamps and (UE4) Following Distance Indicator
  • Driver Alert Package I includes (UD5) Front and Rear Park Assist, (UKC) Lane Change Alert with Side Blind Zone Alert and (UFG) Rear Cross Traffic Alert (Includes Perimeter Lighting.
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
  • 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.)
  • Gooseneck / 5th Wheel Package:
    • includes (Z6A) Gooseneck / 5th Wheel Prep Package.
    • (Includes (UVN) Bed View Camera.)
  • LPO, Hitch Package: Gooseneck ball and chain tiedown kit with case,
  • Denali Ultimate Package: includes (CWM) Technology Package and (CF5) power sunroof
  • LPO, GMC Protection Package: includes (RIA) all-weather floor liner, LPO and (VQK) front and rear Black molded splash guards, LPO,
  • Denali Preferred Equipment Group: includes standard equipment
  • Technology Package: includes (UVS) HD Surround Vision, (DRZ) Rear Camera Mirror, (UVN) Bed View Camera and (UV6) Multi-color 15" Diagonal Head-Up Display
  • Snow Plow Prep/Camper Package:
    • includes (KW5) 220-amp alternator, includes increased front GAWR on Heavy Duty models, (NZZ) skid plates (transfer case and oil pan), pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage, recommend ordering (UY2) Trailering wiring provisions.
    • (Includes (KW5) 220-amp alternator
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
  • Daytime Running Lamps LED signature lighting
  • Front and Rear Park Assist, ultrasonic
  • Forward Collision Alert (Included and only available with (PDJ) Driver Alert Package II.)
  • Lane Departure Warning (Included and only available with (PDJ) Driver Alert Package II.)
  • Following Distance Indicator (Included and only available with (PDJ) Driver Alert Package II.)
  • Safety Alert Seat
  • Rear Seat Reminder
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Lane Change Alert with Side Blind Zone Alert
  • Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
  • 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.)
  • Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
  • OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • 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
  • HD Surround Vision with Two Trailer View Camera Provisions: provides the driver with an overhead view of the scene around the vehicle on a center stack display
  • Bed View Camera: camera in the CHMSL to show a view of the cargo bed, includes Two Trailer Camera Provisions
  • Automatic Emergency Braking (Included and only available with (PDJ) Driver Alert Package II.)
  • Hill Descent Control (Not available with dual rear wheels.)
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
  • DriveType
    • DriveType: Four Wheel Drive
  • Fuel Economy
    • City: 0 MPG
    • Hwy: 0 MPG
    • Combined: 0 MPG
  • Fuel System
    • Fuel System: Direct Injection
  • Fuel Tank Capacity
    • Fuel Tank Capacity: 36 gal
  • Fuel Type
    • Fuel Type: Diesel Fuel
  • Horse Power
    • Horse Power: 445
  • Rear Wheel
    • Rear Wheel: Single
  • Trailering Capacity
    • Trailering Capacity: 20000 lbs
Vehicles You Might Like
  • $51,898 BEST PRICE:


  • $52,599 BEST PRICE:


  • $52,895 BEST PRICE:


  • $50,999 BEST PRICE:


  • $53,799 BEST PRICE:


Prices do not include additional fees and costs of closing, including government fees and taxes, any finance charges, any dealer documentation fees, any emissions testing fees or other fees. All prices, specifications and availability subject to change without notice. Contact dealer for most current information

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 EPA's website for details, including a MPG recalculation tool).