2018 GMC Sierra 3500HD 4WD Crew Cab 153.7" Denali

Rear axle, 4.10 ratio (Requires (L96) Vortec 6.0L V8 SFI engine.)

Suspension Package, Standard includes 51mm twin tube shock absorbers and 33mm front stabilizer bar

Pickup box

Air cleaner, high-capacity

Transfer case, electronic shift with rotary dial controls (Requires 4WD models.)

Differential, heavy-duty locking rear

Four wheel drive

Cooling, external engine oil cooler

Cooling, auxiliary external transmission oil cooler

Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power

Alternator, 150 amps

Trailer brake controller, integrated

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

Chassis, single rear wheel

Steering, Recirculating ball with smart flow power steering system

Steering, Digital Steering Assist

Capless Fuel Fill (Requires gas engine and (E63) pickup box.)

Exhaust, aluminized stainless-steel muffler and tailpipe

Wheel, 18" x 8" (45.7 cm x 20.3 cm) full-size, steel spare.

Wheelhouse liners, rear (Not available with dual rear wheels.)

Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door

Bumper, front, body-colour

Bumper, rear body-colour with corner steps

CornerStep, rear bumper

Mouldings, bodyside, chrome

Headlamps, high intensity discharge (HID) projector-beam with GMC signature LED lighting

Fog lamps, front, halogen

Lamps, cargo area, cab mounted with switch on centre switch bank

LED Lighting, cargo box with switch on centre switch bank

Mirrors, outside heated power-adjustable vertical trailering, memory equipped upper glass, power-folding and manual extending, chrome. includes integrated turn signal indicators, consisting of 51 square inch flat mirror surface positioned over a 24.5 square inch convex mirror surface with a common head and lower convex spotter glass (convex glass is not heated and not power adjustable) and addition of auxiliary cargo lamp for backing up (helps to see trailer when backing up with a trailer) and amber auxiliary clearance lamp

Glass, deep-tinted

Door handles, chrome

Tailgate and bed rail protection caps, top

Tailgate, EZ-Lift and Lower

Remote Locking Tailgate

Cargo ties downs (4), movable upper

4X4 chrome badge (Included and only available with 4X4 models.)

Bose Sound with 6 speaker system (7 speaker system including subwoofer when ordered with bucket seats).

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.)

Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor)

Console, floor mounted with cup holders, cell phone storage, power cord management, hanging file holder capability and (K4C) wireless charging

Floor covering, colour-keyed carpeting

Steering column, manual Tilt-Wheel and telescoping

Instrumentation, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure

Display, customizable driver display, 8" multi-colour configurable

Windows, power with driver express up and down and express down on all other windows

Remote vehicle starter system

Pedals, power-adjustable

Universal Home Remote (Not included when (VYU) Snow Plow Prep Package is ordered.)

Theft-deterrent system, unauthorized entry

Air conditioning, dual-zone automatic climate control

Power outlet, 110-volt AC

Mirror, inside rearview auto-dimming

Visors, driver and front passenger illuminated vanity mirrors

Assist handle, front passenger and driver on A-pillars

StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist

Air bags, single-stage frontal and thorax side-impact, driver and front passenger, and head curtain side-impact, front and rear outboard seating positions

Front and Rear Park Assist, Ultrasonic

Forward Collision Alert

Rear Vision Camera (Not included when (ZW9) pickup box delete is ordered.)

Teen Driver mode a 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 gives you information on your teen's driving habits and helps you to continue to coach your new driver