2018 GMC Sierra 2500HD 4WD Crew Cab Denali 6.6 Duramax Diesel

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

GVWR, 9500 lbs. (4309 kg) (Requires (L96) Vortec 6.0L V8 SFI engine.)

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

Cargo tie downs (4), movable upper

Steering, Recirculating Ball with smart flow power steering system

Steering, Digital Steering Assist

Brakes, 4-wheel antilock, 4-wheel disc with DuraLife brake rotors

Exhaust, aluminized stainless-steel muffler and tailpipe

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

Wheelhouse liners, rear

Bumper, front, body-color

CornerStep, rear bumper

Bumper, rear body-color with bumper CornerSteps

Moldings, bodyside, chrome

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

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

LED Lighting, cargo box with switch on center switch bank

Fog lamps, front, halogen

Mirror caps, chrome

Glass, deep-tinted

Door handles, chrome

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

Tailgate and bed rail protection caps, top

Remote Locking Tailgate

Tailgate, EZ-Lift and Lower

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.)

Safety Alert Seat

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

Steering column, manual Tilt-Wheel and telescoping

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

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

Theft-deterrent system, unauthorized entry

Pedals, power-adjustable

Remote vehicle starter system

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

Daytime Running Lamps with automatic exterior lamp control

Air bags single-stage frontal and thorax side-impact, driver and front passenger, and head curtain side-impact, front and rear outboard seating positions (Always use safety 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 (Included and only available with (Y86) Driver Alert Package.)

Rear Vision Camera with dynamic guide lines (Not included when (ZW9) pickup box delete is ordered.)

Forward Collision Alert

Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)

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

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.)