Full Description: The GMC Sierra HD competes with the RAM 2500 and 3500 as well as the Ford F-250 and F-350.. Looking for reliability? You can stop right here. Strong enough to move a mountain. Gross Vehicle Weight Rating (GVWR) of 10,000+ lbs, Maximum Towing Capacity of 18,500 lbs, 401+ horsepower, 464+ foot-pounds of torque, duramax 6.6l turbo-diesel v8, b20-diesel compatible, Allison 10-Speed Automatic, Four wheel drive, and crew cab with a standard bed. You can open the sunroof and feel the fresh air in this truck. The rear view camera is perfect for backing into tight spots. This vehicle includes: power mirrors, tinted/privacy glass, anti-theft system, a cabin air filtration system and rear LED lights.Allison 10-Speed Automatic, duramax 6.6l turbo-diesel v8, b20-diesel compatible, Four wheel drive, Seat adjuster, Seat adjuster, Seating, Driver memory recalls driver presets for power driver seat and outside mirrors, Seat, Floor covering, Floor mats, Floor mats, Steering wheel, Steering wheel, Steering wheel audio controls, Steering column, Steering column, Instrument cluster, Driver Information Center, Exterior Temperature Display, Compass, Rear Seat Reminder, Windows, Window, Windows, Door locks, Keyless Open and Start, Remote vehicle starter system, Cruise control, Theft-deterrent system, Power outlet, USB Ports, Power outlet, Power outlet, USB ports, Power outlet, Air conditioning, Air vents, Defogger, Mirror, Assist handles front A-pillar mounted for driver and passenger, GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details), Tires, Tire, Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door, Bumper, Bumper, CornerStep, BedStep, Cargo tie downs (12), Wheelhouse liners, Moldings, Grille (Chrome surround with high gloss Black mesh and Chrome inserts.), Headlamps, Fog lamps, Lamps, LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob, Taillamps, Mirrors, Mirror caps, Glass, Door handles, Tailgate, Tailgate, Tailgate and bed rail protection caps, Transmission, Rear axle, Pickup bed includes bed assist step, GVWR, Transfer case, Differential, Cooling, Cooling, Air filter, Air filtration monitoring, Battery, Alternator, Trailer brake controller, In-vehicle Trailering App, Recovery hooks, Frame, Suspension Package (Not available with (X31) Off-Road Package.), Steering, Brake lining wear indicator, Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed delete.), transmission, gvwr, engine, StabiliTrak, Daytime Running Lamps, AirbagsAir conditioning, dual-zone automatic climate control|Air vents, rear|Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted|Compass, located in instrument cluster|Cruise control, steering wheel-mounted|Defogger, rear-window electric|Door locks, power|Driver Information Center, 4.2 diagonal color display includes driver personalization|Driver memory recalls driver presets for power driver seat and outside mirrors|Exterior Temperature Display, located in radio display|Floor covering, color-keyed carpeting|Floor mats, carpeted front (Deleted when LPO floor liners are ordered.)|Floor mats, carpeted rear (Deleted when LPO floor liners are ordered.)|GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details)|Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure|Keyless Open and Start|Mirror, inside rearview auto-dimming|Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)|Power outlet, front auxiliary, 12-volt|Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)|Power outlet, rear auxiliary, 12-volt|Rear Seat Reminder|Remote vehicle starter system|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 under-seat storage, (includes child seat top tether anchor)|Seating, heated driver and front outboard passenger|Steering column, lock control, electrical|Steering column, manual Tilt-Wheel and telescoping|Steering wheel audio controls|Steering wheel, heated|Steering wheel, leather-wrapped|Theft-deterrent system, unauthorized entry|USB Ports, 2 also includes 1 SD card reader. With bucket seats, also includes auxiliary jack. USB Ports located in instrument panel with bench seat and inside console with bucket seats. With bench seat, SD card reader is located in the first row. (Bucket seats require (PCY) SLT Convenience Package.)|USB ports, dual, charge-only (2nd row)|Window, power front, passenger express up/down|Windows, power front, drivers express up/down|Windows, power rear, express down|BedStep, Black integrated on forward portion of bed on driver and passenger side|Bumper, front chrome lower|Bumper, rear chrome with bumper CornerSteps|Cargo tie downs (12), fixed rated at 500 lbs per corner|CornerStep, rear bumper|Door handles, chrome|Fog lamps, LED|Glass, deep-tinted|Grille (Chrome surround with high gloss Black mesh and Chrome inserts.)|Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps|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|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])|Moldings, beltline, stainless steel|Tailgate and bed rail protection caps, top|Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light|Tailgate, GMC MultiPro Tailgate with six functional load/access features|Taillamps, LED signature taillight with LED stop and reverse light|Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door|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 or (QF9) LT275/65R20 all-terrain, blackwall tires are ordered.)|Tires, LT275/70R18E all-terrain, blackwall|Wheelhouse liners, rear|Air filter, high-capacity|Air filtration monitoring|Alternator, 170 amps (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.)|Brake lining wear indicator|Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed delete.)|Cooling, auxiliary external transmission oil cooler|Cooling, external engine oil cooler|Differential, heavy-duty locking rear|engine, duramax 6.6l turbo-diesel v8, b20-diesel compatible|Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section|GVWR, 10,650 lbs. (4831 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18 or 20 wheels, or TK20943 and (L8T) 6.6L V8 gas engine with 17 wheels.)|gvwr, 11,350 lbs. (5148 kg)|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. With (ZW9) pickup bed delete no provision for a trailer tire pressure monitor system will exist but all the other (U1D) features will remain.)|Pickup bed includes bed assist step|Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)|Recovery hooks, front, frame-mounted, Black (Not included when (VQY) chrome recovery hooks, LPO are ordered.)|Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue.|Suspension Package (Not available with (X31) Off-Road Package.)|Trailer brake controller, integrated|Transfer case, two-speed active, electronic Autotrac with push button control (Requires 4WD models.)|Transmission, 6-speed automatic, heavy-duty|transmission, allison 10-speed automatic|rear axle, 3.42 ratio|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.)|Daytime Running Lamps, LED signature lighting|HD Rear Vision Camera|Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching|Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt|OnStar and GMC connected services capable (Terms and limitations apply. 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|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|Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)|alternators, dual, 220-amps primary, 170-amps auxiliary|emissions, federal requirements|gooseneck / 5th wheel package|heavy duty front spring/camper package|high idle switch|slt preferred equipment group|slt premium plus package|sunroof, power|