2021 GMC Sierra 3500HD Denali

Complete vehicle specifications

Vehicle description

Features & options (74)

• 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.)
• 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
• 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.)
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Brake lining wear indicator
• Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
• Tires, LT275/65R20 all-terrain, blackwall (Requires single rear wheels.)
• 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, 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
• Mirror caps, chrome
• Glass, deep-tinted
• Door handles, chrome
• 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
• 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
• 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
• 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
• Hill Descent Control (Not available with dual rear wheels.)
• Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
• Following Distance Indicator
• Safety Alert Seat
• Rear Seat Reminder
• Thumbnails
• Large Photos

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.