ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] at 5200 rpm, 464 lb-ft of torque [629 N-m] at 4000 rpm)
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
GVWR, 10,850 lbs. (4921 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)
Hill Descent Control
Transfer case, two-speed active, electronic Autotrac with push button control
Differential, driver-selectable full-locking rear, e-locking
Four wheel drive
Cooling, external engine oil cooler
Cooling, auxiliary external transmission oil cooler
Air filter, heavy-duty
Air filtration monitoring
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
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 when (PTT) trailer tire pressure monitor sensors are installed.)
Skid Plates, front aluminum
Skid Plates, Transfer case, steel
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
Suspension, Off-Road Includes, 40 mm front suspension kit composed of: Control Arms, Ball Joints, Knuckles, DSSV Dampers, 15 mm Rear Suspension Lift composed of spacer block and DSSV Dampers and Half shafts w/ revised joints, 3-stage Leaf springs from 3500
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
Tires, LT305/70R18-126/123R, 35" M/T
Tire, spare, LT305/70R18-126/123R, 35" M/T
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
Wheel, Spare 18" (50.8 cm)
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Sunroof, power
Bumper, front, body-color lower
Bumper, rear body-color with bumper CornerSteps
Bedliner, 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. Available with Ship Thru code (SQE), not available with any other Ship Thru code.)
Bed Step, Black integrated on forward portion of bed on driver and passenger side
CornerStep, rear bumper (Not available with (ULV) AT4X AEV Edition.)
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Wheelhouse liners, rear
Moldings, beltline, Black
Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
Fog lamps, LED
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
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
Lamps, Smoked Amber roof marker, (LED) (Not available with (YF5) California state emissions requirements.)
Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, (U12) perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm]) lighting
Mirror caps, high gloss Black
Glass, deep-tinted
Wipers, front rain-sensing
Door handles, body-color (With (ULV) AT4X AEV Edition door handles will be Gloss black.)
Tailgate, GMC MultiPro Tailgate with six functional load/access features NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Tailgate and bed rail protection caps, top
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Seat, Up-level Rear with Storage Package 60/40 folding bench, 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)
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 wheel audio controls
Steering column, manual Tilt-Wheel and telescoping (Included and only available with (PCQ) SLE Convenience Package.
Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
Multicolor 15" Diagonal Head-Up Display
Rear Seat Reminder
GMC Premium information Display- 13.4" diagonal Multicolor touch screen
Exterior Temperature Display, located in radio display
Compass, located in instrument cluster
Remote vehicle starter system
Adaptive Cruise Control
Universal Home Remote
Wireless Charging
Theft-deterrent system, unauthorized entry
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
USB ports, (2) charge-only, rear
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
Air vents, rear
Air conditioning, dual-zone automatic climate control
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
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.)
Front and Rear Park Assist, ultrasonic
Bed View Camera, camera in the CHMSL to show a view of the cargo bed display located in infotainment screen, includes Two Trailer Camera Provisions
Trailer Camera Provisions and trailer viewing software
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Rear Seat Belt Indicator
Rear Cross Traffic Alert
Trailer Side Blind Zone Alert
Seat Belt Adjustable Guide Loops, front row only
Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety.)
Safety Alert Seat
Teen Driver a configurable feature that lets you activate customizable