• 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
• Trailering equipment Trailering hitch platform 2.5" with a 2.0" insert for HD, 7-wire harness with independent fused trailering circuits mated to a 7-way sealed connector to hook up parking lamps, backup lamps, right and left turn signals, an electric brake lead, battery and a ground, The trailer connector also includes the 4-way for use on trailers without brakes - park, brake/turn lamps
• 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
• Recovery hooks, front, frame-mounted, black
• 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
• Brakes, 4-wheel antilock, 4-wheel disc with DuraLife brake rotors (Requires single rear wheels.)
• Exhaust, aluminized stainless-steel muffler and tailpipe

• Wheels, 18" (45.7 cm) chromed aluminum includes 18" x 8" (45.7 cm x 20.3 cm) steel spare wheel. (Requires 3500HD single rear wheels.)
• Tires, LT265/70R18E all-season, blackwall (Requires single rear wheels.)
• Tire, spare LT265/70R18E all-season, blackwall (Requires single rear wheels.)
• 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
• LPO, Assist steps, chromed tubular, 6" rectangular (dealer-installed) (May be substituted with (VXJ) assist steps, LPO. (VXH) is deleted when (VXJ) assist steps, LPO is specified.)
• 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
• Window, power, rear sliding with rear defogger (Not included when (VYU) Snow Plow Prep Package is ordered.)
• Door handles, chrome
• Tailgate and bed rail protection caps, top
• Tailgate, EZ-Lift and Lower
• Remote Locking Tailgate
• Bed Liner, Spray-on Pickup box bed liner consisting of high pressure, chemically bonded, sprayed-on polyurea & polyurethane liner formulation. Liner is permanently bonded to the truck bed providing a water tight seal. Includes embossed Denali logo on front bed wall. The textured, non-skid surface is black in color and robotically applied. Spray-on liner covers entire bed interior surface below side rails, including tailgate, front box top rail, gage hole plugs and lower tie down loops. (Not available with (VZX) bed liner, LPO.)
• Cargo ties downs (4), movable upper
• 4X4 chrome badge (Included and only available with 4X4 models.)

• Audio system, 8" diagonal Color Touch Screen Navigation with GMC Infotainment System, AM/FM/SiriusXM, HD Radio with USB ports, auxiliary jack, Bluetooth® streaming audio for music and most phones, Pandora Internet radio and voice-activated technology for radio and phone
• Single-slot CD/MP3 player (Replaced by (U42) rear seat DVD/Blu-Ray Entertainment Package when (U42) is ordered.)
• SiriusXM Satellite Radio is standard on nearly all 2018 GM models. Enjoy a 3-month All Access trial subscription with over 150 channels including commercial-free music, plus sports, news and entertainment. Plus listening on the app and online is included, so you'll hear the best SiriusXM has to offer, anywhere life takes you. Welcome to the world of SiriusXM. (If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. To cancel you must call us at 1-866-635-2349. See our Customer Agreement for complete terms at www.siriusxm.com. All fees and programming subject to change.)
• Radio, HD
• Bose Sound with 6 speaker system (7 speaker system including subwoofer when ordered with bucket seats).
• Bluetooth® for phone personal cell phone connectivity to vehicle audio system
• 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.)

• Seats, front full-feature leather-appointed bucket with (KA1) heated seat cushions and seat backs. Includes 12-way power driver and front passenger seat adjusters, including 4-way power lumbar control, 2-position driver memory, adjustable head restraints, (D07) floor console and storage pockets and (K4C) wireless charging
• GMC 4G LTE and available built-in Wi-Fi hotspot offers a fast and reliable Internet connection for up to 7 devices; includes data trial for 1 month or 3GB (whichever comes first); EFFECTIVE WITH RETAIL SALES STARTING 5/1/2018. (Available Wi-Fi requires compatible mobile device, active OnStar service and data plan. Data plans provided by AT&T. Visit onstar.com for details and system limitations.)
• Seat trim, Leather-appointed front seats
• Seating, heated and ventilated perforated leather-appointed front bucket
• 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
• Floor mats, color-keyed carpeted first and second row
• Steering column, manual Tilt-Wheel and telescoping
• Steering wheel, heated, leather wrapped with audio and cruise controls
• Steering wheel audio controls
• Display, customizable driver display, 8" multi-color configurable
• Windows, power with driver express up and down and express down on all other windows
• Door locks, power
• Remote Keyless Entry
• Remote vehicle starter system
• Pedals, power-adjustable
• Cruise control, steering wheel-mounted
• 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
• Defogger, rear-window electric
• 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
• 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.)
• OnStar and GMC connected services capable; EFFECTIVE WITH RETAIL SALES STARTING 5/1/2018. (Visit onstar.com for coverage map, details and system limitations. Services vary by model.)
• 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
• Lane Departure Warning
• 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

ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE

• (445 hp [332 kW] @ 2800 rpm
• 910 lb-ft of torque [1220 Nm] @ 1600 rpm) Includes capped fuel fill
• (K40) exhaust brake and (K05) engine block heater.

• Preferred Equipment Group 5SA
• Duramax Plus Package
• Hitch Package (LPO)
• Driver Alert Package
• Gooseneck/5th Wheel Prep Package
• Trailering Equipment
• Standard Suspension Package
• Front Frame-Mounted Black Recovery Hooks
• Front Body-Color Bumper
• Rear Body-Color Bumper w/Bumper CornerSteps
• Engine Block Heater
• Exhaust Brake
• 150 Amps Alternator
• High Idle Switch
• Chrome Bodyside Moldings
• Chrome Power-Adjustable Heated Outside Mirrors
• Chrome Door Handles
• Electronic Shift Transfer Case
• EZ-Lift & Lower Tailgate
• Smoked Amber Roof Marker Lamps
• Front License Plate Kit
• Turn signal indicator mirrors
• Rear step bumper
• Power door mirrors
• Heated door mirrors
• Bumpers: body-color
• Bodyside moldings
• Power Sliding Rear Window w/Defogger
• Deep-Tinted Glass
• GMC Connected Access
• Color-Keyed Carpeting Floor Covering
• Color-Keyed Carpeted 1st & 2nd Row Floor Mats
• Floor Mounted Console
• Auto-Dimming Inside Rear-View Mirror
• Driver & Front Passenger Visors
• Power Adjustable Pedals
• Wireless Charging
• Ultrasonic Front & Rear Park Assist
• OnStar & GMC Connected Services Capable
• Forward Collision Alert
• 8" Multi-Color Customizable Driver Display
• GMC 4G LTE
• Rear reading lights
• Rear seat center armrest
• Telescoping steering wheel
• Tilt steering wheel
• Trip computer
• Auto-dimming Rear-View mirror
• Compass
• Apple CarPlay/Android Auto
• Passenger vanity mirror
• Overhead console
• Outside temperature display
• Illuminated entry
• Heated steering wheel
• Garage door transmitter
• Front reading lights
• Driver vanity mirror
• Driver door bin
• Adjustable pedals
• Tachometer
• Voltmeter
• Electric Rear-Window Defogger
• Dual-Zone Automatic Climate Control
• Rear window defroster
• Front dual zone A/C
• Automatic temperature control
• Air Conditioning
• Power Windows
• Remote Keyless Entry
• Remote Vehicle Starter System
• 110-Volt AC Power Outlet
• Power driver seat
• Power windows
• Remote keyless entry
• Steering wheel mounted audio controls
• Memory seat
• Power steering
• Pedal memory
• Radio: AM/FM/SiriusXM w/GMC Infotainment & Nav
• Single-Slot CD/MP3 Player
• SiriusXM Satellite Radio
• HD Radio
• Steering Wheel Audio Controls
• Bose Speaker System
• Premium audio system: GMC Infotainment System
• 7 Speakers
• CD player
• AM/FM radio: SiriusXM
• Remote Locking Tailgate
• Occupant sensing airbag
• 4-Wheel Disc Brakes
• Front wheel independent suspension
• Dual front side impact airbags
• Overhead airbag
• Front anti-roll bar
• ABS brakes
• Dual front impact airbags
• Emergency communication system: OnStar Guidance
• Manual Tilt-Wheel/Telescoping Steering Column
• Leather Wrapped Heated Steering Wheel
• Traction control
• Speed-sensing steering
• Universal Home Remote
• Passenger door bin
• Unauthorized Entry Theft-Deterrent System
• Security system
• Panic alarm
• Chrome Recovery Hooks
• Rear 60/40 Folding Bench Seat (Folds Up)
• Front Full Feature Bucket Seats
• Heated Driver & Front Passenger Seats
• Heated & Ventilated Front Seating
• Perforated Leather-Appointed Seat Trim
• Front Bucket Seats
• Ventilated front seats
• Heated front seats
• Split folding rear seat
• Front Center Armrest
• Power passenger seat
• 17" Forged Polished Aluminum Wheels
• Alloy wheels
• Speed control
• Power Sunroof
• Variably intermittent wipers
• Rear Vision Camera
• Exterior Parking Camera Rear
• Lane Departure Warning System
• Electronic Stability Control
• Brake assist
• Rear Seat DVD Entertainment System
• Front Halogen Fog Lamps
• High-Intensity Discharge Headlights
• Fully automatic headlights
• Delay-off headlights
• Front fog lights
• 3.73 Rear Axle Ratio
• 4.10 Rear Axle Ratio

• Electrical
• Cold Cranking Amps @ 0° F (Primary): 730
• Cold Cranking Amps @ 0° F (Primary): 720
• Maximum Alternator Capacity (amps): 150
• Cooling System
• Total Cooling System Capacity (qts): - TBD -
• Weight Information
• Gross Axle Wt Rating - Front (lbs): 5600
• Gross Axle Wt Rating - Front (lbs): 4800
• Gross Axle Wt Rating - Rear (lbs): 7050
• Curb Weight - Front (lbs): - TBD -
• Curb Weight - Rear (lbs): - TBD -
• Gross Vehicle Weight Rating Cap (lbs): 11000
• Gross Combined Wt Rating (lbs): 25100
• Gross Combined Wt Rating (lbs): 21100
• Trailering
• Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
• Dead Weight Hitch - Max Tongue Wt. (lbs): 500
• Wt Distributing Hitch - Max Trailer Wt. (lbs): 15000
• Wt Distributing Hitch - Max Trailer Wt. (lbs): 13700
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 1500
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 1370
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 17000
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 13300
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 4250
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 3425
• Maximum Trailering Capacity (lbs): 22700
• Suspension
• Suspension Type - Front: Independent
• Suspension Type - Rear: Multi-Leaf
• Spring Capacity - Front (lbs): 5600
• Spring Capacity - Front (lbs): 4800
• Spring Capacity - Rear (lbs): 7050
• Axle Type - Front: Independent
• Axle Type - Rear: Full-Floating
• Axle Capacity - Front (lbs): 5600
• Axle Capacity - Front (lbs): 4800
• Axle Capacity - Rear (lbs): 7050
• Axle Ratio (:1) - Rear: 4.10
• Shock Absorber Diameter - Front (mm): 51.00
• Shock Absorber Diameter - Rear (mm): 51.00
• Stabilizer Bar Diameter - Front (in): 1.31
• Brakes
• Brake Type: Pwr
• Brake ABS System: 4-Wheel
• Disc - Front (Yes or ): Yes
• Disc - Rear (Yes or ): Yes
• Front Brake Rotor Diam x Thickness (in): 13.8 x 1.57
• Rear Brake Rotor Diam x Thickness (in): 14.17 x 1.34
• Tires
• Front Tire Order Code: QWF
• Rear Tire Order Code: QWF
• Front Tire Size: LT265/70R18E
• Rear Tire Size: LT265/70R18E
• Front Tire Capacity (lbs): 4800
• Rear Tire Capacity (lbs): 7050
• Spare Tire Capacity (lbs): - TBD -
• Revolutions/Mile @ 45 mph - Front: - TBD -
• Revolutions/Mile @ 45 mph - Rear: - TBD -
• Revolutions/Mile @ 45 mph - Spare: - TBD -
• Wheels
• Front Wheel Size (in): 18 x 8.0
• Rear Wheel Size (in): 18 x 8.0
• Front Wheel Material: Aluminum
• Rear Wheel Material: Aluminum
• Steering
• Steering Type: Pwr Recirculating Ball
• Steering Ratio (:1), On Center: 16.00
• Steering Ratio (:1), At Lock: N/A
• Turning Diameter - Curb to Curb (ft): 56.1
• Turning Diameter - Wall to Wall (ft): N/A
• Frame
• Frame Type: Hydroformed
• Fuel Tank
• Fuel Tank Capacity, Approx (gal): 36.0
• Fuel Tank Location: - TBD -
• Exterior Dimensions
• Wheelbase (in): 167.70
• Length, Overall w/o rear bumper (in): 258.4
• Width, Max w/o mirrors (in): 80.51
• Height, Overall (in): 78.07
• Overhang, Front (in): - TBD -
• Overhang, Rear w/o bumper (in): - TBD -
• Front Bumper to Back of Cab (in): 151.10
• Cab to Axle (in): 55.24
• Cab to End of Frame (in): - TBD -
• Ground to Top of Load Floor (in): 39.41
• Ground to Top of Frame (in): - TBD -
• Frame Width, Rear (in): - TBD -
• Ground Clearance, Front (in): - TBD -
• Ground Clearance, Rear (in): 8.53
• Cargo Area Dimensions
• Cargo Box Length @ Floor (in): 97.76
• Cargo Box Width @ Top, Rear (in): - TBD -
• Cargo Box Width @ Floor (in): - TBD -
• Cargo Box Width @ Wheelhousings (in): 51.02
• Cargo Box (Area) Height (in): 21.22
• Tailgate Width (in): - TBD -
• Cargo Volume (ft³): 76.3
• Ext'd Cab Cargo Volume (ft³): - TBD -
• Interior Dimensions
• Passenger Capacity: 5
• Front Head Room (in): 42.80
• Front Leg Room (in): 45.27
• Front Shoulder Room (in): 64.84
• Front Hip Room (in): 60.73
• Second Head Room (in): 40.50
• Second Leg Room (in): 40.93
• Second Shoulder Room (in): 64.33
• Second Hip Room (in): 60.24
• Summary
• Vehicle Name: GMC Sierra 3500HD
• Body Style: Crew Cab Pickup
• Body Code: E63