Used 2021 GMC Sierra 3500HD AT4 4WD

• X31 Off-Road Package includes (JHD) Hill Descent Control (NZZ) skid plates Off-Road suspension and Twin-tube Rancho shocks
• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
• Rear axle 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
• GVWR 11350 lbs. (5148 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
• Air filter heavy-duty
• Air filtration monitoring
• Transfer case two-speed active electronic Autotrac with push button control
• Auto-locking rear differential
• 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
• Recovery hooks Red
• 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
• 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.)
• Tire spare LT275/70R18 all-terrain blackwall
• 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 bumper CornerSteps
• CornerStep rear bumper
• Bed Step Black integrated on forward portion of bed on driver and passenger side
• Moldings beltline Black
• Wheelhouse liners rear
• Bed Liner Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo. Not available with any Ship Thrus EXCEPT (VSH) (VTV) (TCH) or (TCE).)
• Cargo tie downs (12) fixed rated at 500 lbs per corner
• Grille Painted Black surround with high gloss Black mesh and Black 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
• 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 high gloss Black
• Glass deep-tinted
• Door handles body-color
• Tailgate GMC MultiPro Tailgate with six functional load/access features
• Tailgate and bed rail protection caps top
• Tailgate gate function manual with EZ Lift includes power lock and release includes hitch area light
• HD Radio
• Audio system feature 6-speaker system
• 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)
• 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
• Instrument cluster 6-gauge cluster featuring speedometer fuel level engine temperature tachometer voltage and oil pressure
• Driver Information Center 4.2 diagonal color display includes driver personalization
• 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
• Theft-deterrent system unauthorized entry
• Steering column lock control electrical
• 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.)
• StabiliTrak stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
• Hill Descent Control
• 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
• 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

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