2018 GMC SIERRA 2500HD SLT 4X4 Z71 CREW CAB 6.6L DURAMAX

Rear axle, 4.10 ratio (Requires (L96) Vortec 6.0L V8 SFI engine or (LC8) 6.0L V8 SFI Gaseous CNG/LPG capable engine.)

Suspension Package, Handling/Trailering, heavy-duty 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 or (LC8) 6.0L V8 SFI Gaseous CNG/LPG capable engine. Not available with TK25943 or TC25903 model.)

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 (Standard with (E63) pickup box.)

Frame, fully-boxed, hydroformed front section

Cargo tie downs (4), movable upper (Requires (E63) pickup box.) (Not available with (ZW9) pickup box delete.)

Steering, Recirculating Ball with smart flow power steering system

Steering, Digital Steering Assist (Requires Crew Cab model or Double Cab model equipped with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)

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 (Not included when (ZW9) pickup box delete or (9J4) rear bumper delete is ordered.)

Wheelhouse liners, rear (Requires Crew Cab or Double Cab model. Deleted with (ZW9) pickup box delete.)

Bumper, front chrome

CornerStep, rear bumper (Requires (E63) pickup box.)

Bumper, rear chrome with bumper CornerSteps (Requires (E63) pickup box.)

Moldings, bodyside, chrome

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

Grille surround, 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 (Deleted when (ZW9) pickup box delete is ordered.) (Deleted with (ZW9) pickup box delete.)

Fog lamps, front, halogen

Mirror caps, body-color (Included and only available with (GAT) All Terrain HD Package.) (Included and only available with (GAT) All Terrain Package and mirror caps will be Black.)

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 (Deleted with (ZW9) pickup box delete.)

Single-slot CD/MP3 player (On Crew Cab replaced by (U42) rear seat DVD/Blu-Ray Entertainment Package when (U42) is ordered.)

6-speaker audio system

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

Steering column, manual Tilt-Wheel and telescoping

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

Driver Information Center, 4.2-inch diagonal color display includes driver personalization, warning messages and vehicle information

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

Theft-deterrent system, unauthorized entry

Pedals, power-adjustable for Crew Cab and Double Cab models

Remote vehicle starter system

Air conditioning, dual-zone automatic climate control Only available on Crew Cab and Double Cab models.

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 Crew Cab: 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.)

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

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.)