2020 GMC SIERRA 3500HD Denali

• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
• Hill Descent Control (Not available with dual rear wheels.)
• 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 dynamic single line to aid in truck trailer alignment for hitching
• Following Distance Indicator (Included and only available with (PDJ) Driver Alert Package II.)
• Safety Alert Seat
• Rear Seat Reminder
• 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

PACKAGE (2)

• 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.)
• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App

MECHANICAL (20)

• Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
• GVWR, 11,500 lbs. (5216 kg) with single rear wheels (Included and only available with model TK30943 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
• Air filter, high-capacity
• Air filtration monitoring
• Transfer case, two-speed active electronic Autotrac with push button control
• Differential, heavy-duty locking rear
• 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
• LPO, Chrome recovery hooks (dealer installed)
• 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.)
• Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Brake lining wear indicator
• Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)

EXTERIOR (22)

• Single Rear Wheels
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Bumper, front, body-color lower
• Bumper, rear body-color, with corner steps
• CornerStep, rear bumper
• BedStep, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
• Moldings, beltline, stainless steel
• Wheelhouse liners, rear (Not available with dual rear wheel models.)
• Cargo tie downs (12), fixed, rated at 500 lbs per corner
• Grille, Signature Denali grille with high gloss Black mesh and Chrome inserts
• Fog lamps, LED
• Taillamps, LED signature taillight with LED stop and reverse light
• 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 LED roof marker, (LED) (Standard with dual rear wheels. Not available with (YF5) California state emissions requirements on single rear wheels.)
• 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])
• Mirror caps, chrome
• Glass, deep-tinted
• LPO, Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included with (L5P) Duramax 6.6L Turbo Diesel V8 engine.)
• Door handles, chrome
• Tailgate and bed rail protection caps, top
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light

ENTERTAINMENT (2)

• HD Radio
• Bose Sound System, premium 7-speaker system with Richbass woofer

INTERIOR (30)

• 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
• Seat adjuster, driver 10-way power including lumbar
• Seat adjuster, passenger 10-way power including lumbar
• 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.)
• Seats, heated second row outboard seats
• Driver memory, recalls driver "presets" for power driver seat and outside mirrors
• Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
• Floor covering, color-keyed carpeting
• Steering wheel, leather-wrapped
• Steering wheel, heated
• Steering column, manual Tilt-Wheel and telescoping
• Steering wheel audio controls
• Driver Information Center, enhanced, 8" diagonal multi-color digital display includes analog speedometer and tachometer gauges
• 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.)
• Exterior Temperature Display located in radio display
• Compass, located in instrument cluster
• Window, power front, drivers express up/down
• Remote vehicle starter system
• Cruise control, steering wheel-mounted
• Universal Home Remote
• Theft-deterrent system, unauthorized entry
• Steering column, lock control, electrical
• Wireless Charging
• Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
• USB ports, dual, charge-only (2nd row)
• Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
• Air conditioning, dual-zone automatic climate control
• Air vents, rear
• Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
• GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)

Safety and Security@Front Automatic emergency braking~Safety and Security@Check rear seat reminder~Safety and Security@Vibrating Driver Seat Pre-collision warning system~Safety and Security@Audible Warning Pre-collision warning system~Safety and Security@Visual Warning Pre-collision warning system~Safety and Security@Sensor/alert Blind spot safety~Safety and Security@Rear Cross traffic alert~Safety and Security@Lane deviation sensors~Safety and Security@Rearview Camera system~Safety and Security@Front Side airbags~Safety and Security@Rear Side curtain airbags~Safety and Security@Front Side curtain airbags~Safety and Security@Front Parking sensors~Safety and Security@Rear Parking sensors~Safety and Security@4-wheel ABS~Safety and Security@Anti-lockout Power door locks~Safety and Security@Auto-locking Power door locks~Safety and Security@Programmable safety key~Safety and Security@Auto Off Electronic parking brake~Safety and Security@Trailer stability control~Safety and Security@Ventilated Disc Rear brake~Safety and Security@Alarm Anti-theft system~Safety and Security@Braking assist~Safety and Security@Hill holder control~Safety and Security@Ventilated Disc Front brake~Safety and Security@Dual Front airbags~Safety and Security@Vehicle Immobilizer Anti-theft system~Safety and Security@Power brakes~Safety and Security@LATCH System Child seat anchors~Safety and Security@Electronic brakeforce distribution~Safety and Security@Stability control~Safety and Security@Traction control~Safety and Security@In Dash Rearview monitor~Safety and Security@Occupant Sensing Passenger Airbag deactivation~Safety and Security@Front Seatbelt pretensioners~Safety and Security@Front Emergency locking retractors~Safety and Security@Roll stability control~Safety and Security@Front Seatbelt warning sensor~Interior@Leather-trimmed Upholstery~Interior@Proximity Entry System Multi-function remote~Interior@Ventilated Driver seat~Interior@Ventilated Passenger seat~Interior@Heated steering wheel~Interior@10 Driver seat power adjustments~Interior@Leather Steering wheel trim~Interior@Automatic Climate Control Front air conditioning~Interior@Driver Seat Memorized settings~Interior@Side Mirrors Memorized settings~Interior@Dual Front air conditioning zones~Interior@Front Wireless charging station~Interior@Power Driver Seat Easy entry~Interior@Push-button start~Interior@Heated Driver seat~Interior@Remote engine start/cabin preconditioning~Interior@Heated Passenger seat~Interior@Homelink - Garage Door Opener Universal remote transmitter~Interior@Auto-dimming Rearview mirror~Interior@Heated Rear seat~Interior@10 Passenger seat power adjustments~Interior@Variable/speed-proportional Power steering~Interior@Cruise control~Interior@Hydraulic Variable Assist Power steering~Interior@Bucket Front seat~Interior@Leather Door trim~Interior@60-40 Split Bench Rear seat~Interior@Simulated Wood Center console trim~Interior@Simulated Wood Door trim~Interior@8 In. Instrument cluster screen size~Interior@115V Cargo Area Power outlet(s)~Interior@115V Front Power outlet(s)~Interior@Carpet Floor mat material~Interior@2 Driver Memorized settings~Interior@Air filtration~Interior@Capless fuel filler system~Interior@Folds Up Rear seat folding~Interior@12V Rear Power outlet(s)~Interior@12V Front Power outlet(s)~Interior@Tilt And Telescopic Steering wheel~Interior@Second Row Rear vents~Interior@Rear Floor mats~Interior@Front Floor mats~Interior@Multi-function display~Interior@Oil Pressure Gauge~Interior@Front Console With Armrest And Storage Center console~Interior@Compass~Interior@Rear Center With Cupholders Armrests~Interior@Rear Folding Armrests~Interior@4 One-touch windows~Interior@External temperature display~Interior@Perforated Upholstery accents~Interior@MPG Fuel economy display~Interior@Range Fuel economy display~Interior@Front Reading lights~Interior@Tachometer Gauge~Interior@Rear Reading lights~Interior@Lumbar Driver seat power adjustments~Interior@Lumbar Passenger seat power adjustments~Interior@Reclining Passenger seat power adjustments~Interior@Reclining Driver seat power adjustments~Interior@Height Driver seat power adjustments~Interior@Height Passenger seat power adjustments~Interior@Front Cupholders~Interior@Maintenance Due Warnings and reminders~Interior@Dual Illuminating Vanity mirrors~Interior@Rear Cupholders~Interior@Panic Alarm Multi-function remote~Interior@Audio Steering wheel mounted controls~Interior@Under Rear Seats Storage~Interior@Carpet Floor material~Interior@Cruise Control Steering wheel mounted controls~Interior@Phone Steering wheel mounted controls~Interior@Multi-function Steering wheel mounted controls~Interior@Front Seatback Storage~Interior@Voice Control Steering wheel mounted controls~Interior@Powertrain hour meter~Exterior@Power Glass Moonroof / Sunroof~Exterior@Polished Aluminum Alloy Wheels~Exterior@LED Headlights~Exterior@Power Telescoping Side mirror adjustments~Exterior@Auto High Beam Dimmer Headlights~Exterior@Auto-dimming Side mirrors~Exterior@LED Daytime running lights~Exterior@Spray-on Pickup bed liner~Exterior@LED Taillights~Exterior@Power Folding Side mirror adjustments~Exterior@Multi-function Split-folding Tailgate~Exterior@LED Front fog lights~Exterior@Power Horizontal Pickup sliding rear window~Exterior@Safety Reverse Power windows~Exterior@Towing mirrors~Exterior@Power Locking Tailgate~Exterior@Running boards~Exterior@Chrome Mirror color~Exterior@Power Side mirror adjustments~Exterior@Heated Side mirrors~Exterior@Chrome Door handle color~Exterior@Puddle Lamps Exterior entry lights~Exterior@Approach Lamps Exterior entry lights~Exterior@Steel Spare wheel~Exterior@Hood scoop~Exterior@Rear Window defogger~Exterior@Variable Intermittent Front wipers~Exterior@LED Pickup bed light~Exterior@Lift Assist Tailgate~Exterior@Tire Pressure Monitoring System~Exterior@Integrated Turn Signals Side mirrors~Exterior@Reverse Gear Tilt Side mirror adjustments~Exterior@Tinted glass~Exterior@Full-size Spare tire size~Exterior@Auto On/off Headlights~Exterior@Auto Delay Off Headlights~Exterior@Roof-mounted lights~Exterior@Chrome Grille color~Exterior@Black Fender lip moldings~Exterior@Rear Integrated Corner Step Bumper detail~Exterior@Chrome Running board color~Exterior@Chrome Surround Grille color~Exterior@Stainless Steel Window trim~Exterior@Wiper Activated Headlights~Exterior@Stainless Steel Exhaust tip color~Entertainment and Technology@Hotspot Wi-Fi~Entertainment and Technology@Touch Screen Display Navigation system~Entertainment and Technology@Voice Operated Navigation system~Entertainment and Technology@Memory Card Navigation system~Entertainment and Technology@Bose Premium brand~Entertainment and Technology@Apple CarPlay Smartphone integration~Entertainment and Technology@Android Auto Smartphone integration~Entertainment and Technology@MyGMC With Connected Access Smart device app compatibility~Entertainment and Technology@Bluetooth Wireless data link~Entertainment and Technology@Voice Operated Hands-free phone call integration~Entertainment and Technology@Voice Operated Radio~Entertainment and Technology@Bluetooth Auxiliary audio input~Entertainment and Technology@HD Radio Radio~Entertainment and Technology@8 In. Infotainment screen size~Entertainment and Technology@Touch Screen Display Radio~Entertainment and Technology@1 Subwoofer~Entertainment and Technology@App Marketplace Integration Connected in-car apps~Entertainment and Technology@With Read Function Electronic messaging assistance~Entertainment and Technology@Voice Operated Electronic messaging assistance~Entertainment and Technology@SiriusXM Satellite radio~Entertainment and Technology@6 Total speakers~Entertainment and Technology@USB Auxiliary audio input~Entertainment and Technology@IPod/iPhone Auxiliary audio input~Entertainment and Technology@OnStar Satellite communications~Entertainment and Technology@Voice Guided Directions Satellite communications~Entertainment and Technology@GMC Infotainment System Infotainment~Entertainment and Technology@Maintenance Status Smart device app function~Entertainment and Technology@Jack Auxiliary audio input~Entertainment and Technology@Memory Card Slot Auxiliary audio input~Entertainment and Technology@Roadside Assistance Driver assistance app~Entertainment and Technology@AM/FM Radio~Entertainment and Technology@Radio data system~Entertainment and Technology@Speed sensitive volume control~Performance@Trailer brake controller~Performance@Electronic Hi-lo 4WD selector~Performance@Part Time W/ On Demand Setting 4WD~Performance@Rear Locking differential~Performance@4-pin Trailer wiring~Performance@7-pin Trailer wiring~Performance@Trailer hitch~Performance@Auxiliary oil cooler~Performance@Front Tow hooks~Performance@Heavy Duty Battery~Performance@720 CCA Battery rating~Performance@Independent Front suspension classification~Performance@Upper And Lower Control Arms Front suspension~Performance@Auxiliary transmission fluid cooler~Performance@170 Amps Alternator~Performance@Solid Live Axle Rear suspension classification~Performance@Diameter 35 Mm Front stabilizer bar~Performance@Tow/Haul mode~Performance@Battery saver~Performance@Twin-tube Gas Rear shock~Performance@Twin-tube Gas Front shock~Performance@Tie-down Anchors Pickup bed cargo management