Full Description: GMC 4G LTE and available built-in Wi-Fi hotspot offers a fast and reliable Internet connection for up to 7 devices; includes data trial for 1 month or 3GB (whichever comes first) (Available Wi-Fi requires compatible mobile device, active OnStar service and data plan. Data plans provided by AT&T. Visit onstar.com for details and system limitations.)|Audio system feature, Bose premium 7-speaker system|Radio, HD|Audio system, Premium GMC Infotainment System with Navigation and 8 diagonal color touch-screen includes multi-touch display, AM/FM stereo, Bluetooth streaming audio for music and most phones; featuring Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings. (Requires (UQA) Bose Premium Audio System. Includes (MCR) Data ports and memory card.)|Wireless Charging for compatible cell phones|Tires, 255/55R20 all-season, blackwall|Assist steps, Chrome, 5 rectangular|CornerStep, rear bumper|Tailgate, locking|Wheels, 20 x 8.5 (50.9 cm x 21.6 cm) Ultra-Bright machined aluminum with painted accents|Door handles, Chrome|Bedliner, Spray-on, Black with GMC logo|Moldings, Chrome beltline|Tailgate, EZ-Lift and Lower|Grille, Denali-specific Chrome|Mirror, spotter, located in corner of driver-side outside mirror|Tailgate handle, Black|Glass, windshield shade band|Cargo area lamps|Bumper, rear body-color|Tire, spare 265/70R16 all-season, blackwall|Mirrors, outside heated power-adjustable, Chrome, manual folding|Lamps, cargo area cab mounted with switch on center switch bank|Headlamps, halogen projector-type with LED signature|Window, rear-sliding, manual|Wheel, spare, 16 x 7 (40.6 cm x 17.8 cm) steel|Fog lamps, front|Steering column, tilt and telescopic, manual|Remote vehicle starter system|Steering wheel, leather-wrapped|Console, overhead|Floor mats, carpeted rear|Seats, heated driver and front passenger|Handles, door release, front and rear, Chrome|Cruise control, electronic, automatic|Visors, driver and front passenger illuminated sliding vanity mirrors|Microphones, Driver side and Passenger side|Seat adjuster, 4-way power front passenger|Seat adjuster, power passenger lumbar control|Lighting, interior, dual reading|Seat, ventilated driver|Floor covering, color-keyed carpeting|Door locks, power|Windows, power with driver Express-Up and Down|Defogger, rear-window electric|Seat trim, Leather-appointed front seats|USB charging-only ports, 2, located on the rear of the center console|Theft-deterrent system, immobilization|Interior trim, aluminum|Speedometer, miles/kilometers|Steering wheel, heated|Air conditioning, single-zone automatic climate control|Theft-deterrent system, unauthorized entry|USB data ports, 2, includes SD Card Reader auxiliary input jack, located on the front console (Included and only available with (IOT) 8 diagonal Premium GMC Infotainment System with Navigation.)|Mirror, inside rearview auto-dimming|Display, driver instrument information enhanced, multi-color|Lighting, interior, roof, rear courtesy and dual reading lights|Instrument panel, soft-touch materials|Seats, front bucket|Seat adjuster, driver 6-way power|Seat, ventilated front passenger|Seat, rear folding bench|GMC Connected Access with 10 years of standard connectivity which enables services such as, Vehicle Diagnostics, Dealer Maintenance Notification, GMC Smart Driver, Marketplace and more (Limitations apply. Not transferable. Standard connectivity available to original purchaser for ten years from the date of initial vehicle purchase for model year 2018 or newer GMC vehicles. See onstar.com for details and further plan limitations. Connected Access does not include emergency or security services. Availability and additional services enabled by Connected Access are subject to change.)|Console, floor, front compartment, custom|Floor mats, carpeted front (Includes Denali logo.)|Remote Keyless Entry, extended range|Steering wheel controls, mounted audio controls|Seat adjuster, power driver lumbar control|Steering, electric power-assist|Rear axle, 3.42 ratio|Hitch Guidance, trailering assist guideline|Rear wheel drive|Engine, 3.6L DI DOHC V6 VVT (308 hp [230.0 kW] @ 6800 rpm, 275 lb-ft of torque [373 N-m] @ 4000 rpm)|Frame, fully-boxed|Pickup box|Brakes, 4-wheel antilock, 4-wheel disc|Transmission, 8-speed automatic|Capless Fuel Fill (Requires gas engine and (E63) pickup box.)|Differential, automatic locking rear|GVWR, 5800 lbs. (2631 kg) (Standard on Crew Cab models with (LGZ) 3.6L DI DOHC V6 engine only.)|LPO, Polished exhaust tip (dealer-installed) (Not included when (LWN) 2.8L Duramax Turbo-Diesel engine is ordered.)|Trailering Package includes trailer hitch and 7-pin connector|Tow/Haul Mode|Driver Alert Package includes (UEU) Forward Collision Alert and (UFL) Lane Departure Warning|StabiliTrak, stability control system|OnStar and GMC connected services capable (Fleet orders receive a 3-month trial. Visit onstar.com for coverage map, details and system limitations. Services vary by model.)|Daytime Running Lamps|Teen Driver mode configurable feature that lets you activate customizable vehicle settings associated with a key fob, to encourage safe driving behavior. It can limit certain 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|Traction control, electronic|Tire Pressure Monitor System|HD Rear Vision Camera|Rear Parking Assist, Ultrasonic|Airbags, Dual-stage frontal airbags for driver and front 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 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.)|Forward Collision Alert|Lane Departure Warning