2018 GMC Sierra 3500HD Denali

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

Airbags, Single-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for 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.)

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 Chevrolet 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.)

Front and Rear Park Assist, Ultrasonic

Forward Collision Alert

Safety Alert Seat

Rear Vision Camera with dynamic guide lines

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

MECHANICAL (19)

• 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
• Capless Fuel Fill (Requires gas engine and (E63) pickup box.)
• 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
• Exhaust, aluminized stainless-steel muffler and tailpipe

EXTERIOR (19)

• Wheel, 18" x 8" (45.7 cm x 20.3 cm) full-size, steel spare. Spare not included with (ZW9) pickup box delete unless a spare tire is ordered. (Requires 18" wheels and tires and single rear wheels. Included with (E63) Pickup Box. Available to order when (ZW9) pick-up box delete is ordered.)
• 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-color
• Bumper, rear body-color with bumper CornerSteps
• CornerStep, rear bumper
• Moldings, 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 center switch bank
• LED Lighting, cargo box with switch on center 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.)

ENTERTAINMENT (2)

• 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.)

INTERIOR (15)

• 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, color-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-color configurable
• Windows, power with driver express up and down and express down on all other windows
• Remote vehicle starter system
• Pedals, power-adjustable
• 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