MECHANICAL Rear axle, 3.42 ratio Pickup box GVWR, 7200 lbs. (3266 kg) (Requires 4WD models.) Air cleaner, high-capacity Hill Descent Control Transfer case, active, 2-speed electronic Autotrac with rotary controls, includes neutral position for dinghy towing (Included with 4WD models only.) Cooling, external engine oil cooler Cooling, auxiliary external transmission oil cooler Alternator, 150 amps Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power Frame, fully-boxed, hydroformed front section Underbody Shield, frame-mounted shields includes front underbody shield starting behind front bumper and running to first cross-member, protecting front underbody, oil pan, differential case and transfer case (Standard on 4WD models only.) Cargo tie downs (4), movable upper Capless Fuel Fill Exhaust, aluminized stainless-steel muffler and tailpipe LPO, Polished exhaust tip (dealer installed) --- EXTERIOR Wheelhouse liners, rear Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door Bumper, front, body-color lower Bumper, rear body-color with corner steps CornerStep, rear bumper Moldings, bodyside, chrome Grille, Denali Chrome Active Aero Shutters, front Headlight, IntelliBeam, automatic high beam on/off Taillamps, LED with signature Lamps, cargo area, cab mounted with switch on center switch bank Mirror caps, chrome LED Lighting, cargo box with switch on center switch bank Tailgate and bed rail protection caps, top Remote Locking Tailgate (Included and only available with (AQQ) Remote Keyless Entry.) Tailgate, EZ-Lift and Lower Door handles, chrome --- ENTERTAINMENT Wireless Charging (Not compatible with all phones. Compliant batteries include QI and PMA technologies. Reference Mobile devices manual to confirm what type of battery it uses.) --- INTERIOR Console, floor mounted with cup holders, cell phone storage, power cord management, hanging file holder capability and (K4C) wireless charging Floor covering, color-keyed carpeting Instrumentation, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure Display, customizable driver display, 8" multi-color configurable Power outlet, 110-volt AC Assist handle, front passenger and driver on A-pillars --- SAFETY 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; EFFECTIVE WITH SALES STARTING 5/1/2018. (Included and only available with (UE1) OnStar. 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.) Forward Collision Alert Safety Alert Seat --- AutoStockImages:http://media.chromedata.com/autoBuilderData/stockPhotos/23160.jpg Fuel Economy:City: high: 15MPG low: 15MPG Hwy: high:20MPG low:20MPG Trailering:Trailering equipment includes trailer hitch, 7-pin and 4-pin connectors Differential:Differential, heavy-duty locking rear Suspension:Suspension, MagneRide Magnetic Ride Control with MagneRide brand shock absorbers Drivetrain:Four wheel drive Steering:Steering, Electric Power Steering (EPS) assist, rack-and-pinion Brakes:Brakes, 4-wheel disc with DURALIFE rotors, 4-wheel antilock Convenience:Front and Rear Park Assist, Ultrasonic Mirrors:Visors, driver and front passenger illuminated vanity mirrors Safety Features:Daytime Running Lamps with automatic exterior lamp control Window:Windows, power with driver express up and down and express down on all other windows