2021 GMC SIERRA 3500HD SLE

StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist

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 (Deleted with (ZW9) pickup bed delete.)

Rear Seat Reminder (Requires Crew Cab or Double Cab model.)

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

MECHANICAL (20)

• 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)
• Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
• GVWR, 11,350 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 electronic shift with push button controls (Requires 4WD models.)
• 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, front, frame-mounted, Black
• Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
• Suspension Package (Not available with (X31) Off-Road Package.)
• Steering, Recirculating Ball with smart flow power steering system
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Brake lining wear indicator
• Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed delete.)

EXTERIOR (17)

• Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF6) LT275/70R18E all-terrain, blackwall tires or (QF9) LT275/65R20 all-terrain, blackwall tires with (E63) pickup bed models. Available to order when (ZW9) pickup bed delete and (QF6) LT275/70R18E all-terrain, blackwall tires are ordered.)
• Single Rear Wheels
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
• Bumper, front chrome lower
• Bumper, rear chrome with bumper CornerSteps
• CornerStep, rear bumper
• Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
• Moldings, beltline, stainless steel
• Cargo tie downs (12), fixed, rated at 500 lbs per corner
• Grille, Chrome surround with high gloss Black mesh and Chrome inserts
• Taillamps, LED tail and SRW are incandescent stop, turn and reverse light and DRW are LED stop, turn 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
• Glass, deep-tinted
• Door handles, body-color
• Tailgate, GMC MultiPro Tailgate with six functional load/access features (Deleted with (ZW9) pickup bed delete.)
• Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light (Deleted with (ZW9) pickup bed delete.)

ENTERTAINMENT (1)

• Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)

INTERIOR (17)

• 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
• Seat adjuster, driver 4-way manual
• Seat adjuster, passenger 4-way manual
• Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular Cab model.)
• Floor covering, color-keyed carpeting
• Steering wheel, leather-wrapped
• 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
• Exterior Temperature Display located in radio display
• Compass, located in instrument cluster
• Window, power front, drivers express up/down
• Cruise control, steering wheel-mounted
• Air vents, rear (Not available with Regular Cab model.)
• Mirror, inside rearview, manual tilt
• 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.)