2021 GMC Sierra 3500HD WT 4x4 Diesel

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• Seat adjuster, passenger 4-way manual
• Seat adjuster, driver 4-way manual
• Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
• Air conditioning, single-zone
• Air vents, rear (Not available with Regular Cab model.)
• Power outlet, front auxiliary, 12-volt
• Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
• Steering wheel, urethane
• Mirror, inside rearview, manual tilt
• Steering column, Tilt-Wheel, manual with wheel locking security feature
• Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
• Exterior Temperature Display located in radio display
• Driver Information Center, 3.5" diagonal monochromatic display
• Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular Cab model.)
• Seat trim, Vinyl

• Bumper, rear chrome with bumper CornerSteps
• Grille, Chrome surround with Black mesh
• Cargo tie downs (12), fixed, rated at 500 lbs per corner
• Glass, solar absorbing, tinted
• CornerStep, rear bumper
• Door handles, Black grained
• Taillamps, LED tail and SRW are incandescent stop, turn and reverse light and DRW are LED stop, turn and reverse light
• Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
• Tailgate, locking, utilizes same key as ignition and door (Included and only available with (QK1) standard tailgate. Deleted with (ZW9) pickup bed delete.)
• Tailgate, gate function manual, no lift assist (Deleted with (ZW9) pickup bed delete.)
• Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
• Single Rear Wheels
• Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
• Moldings, beltline, Black
• Mirrors, outside high-visibility vertical trailering lower convex mirrors, manual-folding/extending (extends 3.31" [84.25mm]), molded in Black
• Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
• Bumper, front chrome lower

• Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
• Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
• 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
• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
• Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
• 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.)

• Cooling, external engine oil cooler
• Cooling, auxiliary external transmission oil cooler
• Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
• Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed delete.)
• 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 or TC30903 and (L5P) Duramax 6.6L Turbo-Diesel V8 engine. Requires single rear wheels.)
• Transmission, 6-speed automatic, heavy-duty
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Brake lining wear indicator
• Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
• 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.)
• Auto-locking rear differential
• Recovery hooks, front, frame-mounted, Black
• Steering, Recirculating Ball with smart flow power steering system
• Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
• Transfer case, two-speed electronic shift with push button controls (Requires 4WD models.)
• Suspension Package (Not available with (X31) Off-Road Package.)
• Air filtration monitoring
• Air filter, heavy-duty
• Four wheel drive

• ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (445 hp [332 kW] @ 2800 rpm, 910 lb-ft of torque [1220 Nm] @ 1600 rpm) Includes (K05) engine block heater.) $9,890
• TRANSMISSION, ALLISON 10-SPEED AUTOMATIC Included
• CRUISE CONTROL, STEERING WHEEL-MOUNTED $225
• GOOSENECK / 5TH WHEEL PACKAGE includes (Z6A) Gooseneck / 5th Wheel Prep Package. Includes (JL1) Trailer brake controller and (CGN) spray-on bed liner. $1,365
• SUMMIT WHITE Included
• JET BLACK, VINYL SEAT TRIM Included