• Wheels, 17" (43.2 cm) painted steel
• Tires, LT235/80R17E all-season highway
• Wheel trim, Chrome trim skins and chrome center caps
• Bumper, front chrome
• Grille, chrome surround
• Headlamps, high intensity discharge (HID) projector-beam with GMC signature LED lighting
• Lamps, Smoked Amber roof marker
• Lamps, cargo area, cab mounted with switch on center switch bank
• Mirrors, outside heated power-adjustable vertical camper upper glass manual-folding and extending, black. 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 nor is it 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, body-color

• Audio system, 8" diagonal Color Touch Screen 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 (Upgradeable to (IO6) 8" Diagonal Color Touch audio system with Navigation and GMC Infotainment System.)
• 6-speaker audio system
• 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
• Bluetooth for phone, personal cell phone connectivity to vehicle audio system
• 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.)

• Seats, front 40/20/40 split-bench 3-passenger. Includes driver and front passenger recline with outboard head restraints and center fold-down armrest with storage. Includes manually adjustable driver lumbar, lockable storage compartment in seat cushion, and storage pockets (Leather with (KA1) heat is an available extra charge option with (H1Y) Jet Black leather appointed interior trim and requires (PCY) SLE Preferred Package.)
• Single-slot CD/MP3 player
• Seat trim, Cloth
• Seat, rear 60/40 folding bench (folds up), 3-passenger, (includes child seat top tether anchor) (Requires Crew Cab models.)
• Floor mats, rubberized vinyl (Included and only available with (B30) floor covering, color-keyed carpeting with rubberized vinyl floor mats.)
• Steering column, manual Tilt-Wheel
• Steering wheel, leather-wrapped with audio and cruise controls
• Steering wheel audio controls
• 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 (Standard on Crew Cab models.)
• Door locks, power
• Remote Keyless Entry
• Cruise control, steering wheel-mounted
• Air conditioning, single-zone
• Mirror, inside rearview auto-dimming
• Visors, driver and front passenger illuminated vanity mirrors

• Brakes, 4-wheel antilock, 4-wheel disc with dual rear wheel with DuraLife brake rotors
• 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 Crew Cab: Single-stage frontal airbags for driver and front outboard passenger (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.)
• 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
• OnStar and GMC connected services capable EFFECTIVE WITH 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 (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.)

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 (K40) exhaust brake and (K05) engine block heater.)

AIRBAGS

• Crew Cab: 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

• Preferred Equipment Group 3SA
• Standard Suspension Package
• 6 Speakers
• 6-Speaker Audio System
• AM/FM radio: SiriusXM
• CD player
• HD Radio
• Premium audio system: GMC Infotainment System
• Radio: AM/FM Stereo w/8" Diagonal Color Touch Nav.
• Radio: AM/FM Stereo w/8" Diagonal Color Touch Screen
• Single-Slot CD/MP3 Player
• SiriusXM Satellite Radio
• Steering Wheel Audio Controls
• Air Conditioning
• Dual-Zone Automatic Climate Control
• Electric Rear-Window Defogger
• 110-Volt AC Power Outlet
• Bluetooth® For Phone
• Power steering
• Power Windows
• Power windows
• Power-Adjustable Pedals
• Remote Keyless Entry
• Remote keyless entry
• Remote Vehicle Starter System
• Steering wheel mounted audio controls
• Universal Home Remote
• Manual Tilt-Wheel Steering Column
• Manual Tilt-Wheel/Telescoping Steering Column
• Speed-sensing steering
• Traction control
• 4-Wheel Disc Brakes
• ABS brakes
• Digital Steering Assist
• Dual front impact airbags
• Emergency communication system: OnStar Guidance
• Front anti-roll bar
• Front wheel independent suspension
• Occupant sensing airbag
• Brake assist
• Electronic Stability Control
• Delay-off headlights
• Front Halogen Fog Lamps
• Fully automatic headlights
• High-Intensity Discharge Headlights
• Panic alarm
• Unauthorized Entry Theft-Deterrent System
• Speed control
• Dual rear wheels
• Dual 150 Amps & 220 Amps Each Alternator
• Engine Block Heater
• Exhaust Brake
• 6" Rectangular Chromed Tubular Assist Steps (LPO)
• Black Power-Adjustable Heated Outside Mirrors
• Body-Color Door Handles
• Bumpers: chrome
• Chrome Grille Surround
• Electronic Shift Transfer Case
• Front License Plate Kit
• Heated door mirrors
• Power door mirrors
• Power Take Off Engine Control Provisions
• Turn signal indicator mirrors
• 4.2" Diagonal Color Display Driver Info Center
• Auto-Dimming Inside Rear-View Mirror
• Auto-dimming Rear-View mirror
• Cloth Seat Trim
• Color-Keyed Carpeting Floor Covering
• Compass
• Driver & Front Passenger Illuminated Vanity Mirrors
• Driver door bin
• Driver vanity mirror
• Front reading lights
• GMC 4G LTE
• GMC Connected Access
• Graphite-Colored Rubberized-Vinyl Floor Covering
• Illuminated entry
• Leather-Wrapped Steering Wheel
• OnStar & GMC Connected Services Capable
• Outside temperature display
• Overhead console
• Passenger vanity mirror
• Rear reading lights
• Rear seat center armrest
• Tachometer
• Tilt steering wheel
• Trip computer
• Voltmeter
• 10-Way Power Driver's Seat Adjuster
• Front 40/20/40 Split-Bench Seat
• Heated Driver & Front Passenger Seats
• Split folding rear seat
• Front Center Armrest w/Storage
• Passenger door bin
• Integrated Trailer Brake Controller
• 17" Forged Polished Aluminum Wheels
• 17" Painted Steel Wheels
• Chrome Wheel Trim Skins & Chrome Center Caps
• Deep-Tinted Glass
• Variably intermittent wipers
• Fresh Oil Change
• Multi Point Inspection Completed
• **LOCAL TRADE**
• **LEATHER**
• **NAVIGATION**
• **VOICE ACTIVATED NAVIGATION
• **KEYLESS ENTRY**
• **APPLE CARPLAY**
• **ANDROID AUTO**
• **ON STAR**
• **SIRIUS XM RADIO**
• **AM/FM/HD RADIO**
• **Bluetooth® HANDSFREE CALLING**
• **MP3 / IPOD COMPATIBLE**
• **BOSE PREMIUM AUDIO SYSTEM**
• **FRONT USB CHARGING PORTS**
• **TOW PKG**
• **AUTO HEADLIGHTS**
• **DAYTIME RUNNING LIGHTS**
• **LED HEADLIGHTS**
• **POWER ADJUSTABLE DRIVER'S SEAT**
• **POWER ADJUSTABLE PASSENGER'S SEAT**
• **BLIND SPOT WARNING SYS**
• **MULTI-POINT INSPECTION**
• **HEATED LEATHER SEATS**
• **4x4**

• Mileage
• Fuel Economy Est-Combined (MPG): - TBD -
• EPA Fuel Economy Est - City (MPG): - TBD -
• EPA Fuel Economy Est - Hwy (MPG): - TBD -
• Electrical
• Cold Cranking Amps @ 0° F (Primary): 730
• Cold Cranking Amps @ 0° F (Primary): 720
• Maximum Alternator Capacity (amps): 150
• Maximum Alternator Watts: - TBD -
• 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): 9750
• Curb Weight - Front (lbs): - TBD -
• Curb Weight - Rear (lbs): - TBD -
• Gross Vehicle Weight Rating Cap (lbs): 13200
• Gross Combined Wt Rating (lbs): 31300
• Gross Combined Wt Rating (lbs): 21100
• Suspension
• Suspension Type - Front: Independent
• Suspension Type - Rear: 3-Stage Spring
• Spring Capacity - Front (lbs): 5600
• Spring Capacity - Front (lbs): 4800
• Spring Capacity - Rear (lbs): 9750
• Axle Type - Front: - TBD -
• Axle Type - Rear: - TBD -
• Axle Capacity - Front (lbs): 5600
• Axle Capacity - Front (lbs): 4800
• Axle Capacity - Rear (lbs): 9750
• Axle Ratio (:1) - Front: 3.73
• Axle Ratio (:1) - Rear: 3.73
• Shock Absorber Diameter - Front (mm): 51
• Shock Absorber Diameter - Rear (mm): 51
• 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): 14.0 x - TBD -
• Rear Brake Rotor Diam x Thickness (in): 14.0 x - TBD -
• Tires
• Front Tire Order Code: QQO
• Rear Tire Order Code: QQO
• Front Tire Size: LT235/80R17E
• Rear Tire Size: LT235/80R17E
• Front Tire Capacity (lbs): - TBD -
• Rear Tire Capacity (lbs): - TBD -
• Revolutions/Mile @ 45 mph - Front: - TBD -
• Revolutions/Mile @ 45 mph - Rear: - TBD -
• Wheels
• Front Wheel Size (in): 17 x 6.5
• Rear Wheel Size (in): 17 x 6.5
• Front Wheel Material: Steel
• Rear Wheel Material: Steel
• Steering
• Steering Type: Pwr
• Steering Ratio (:1), On Center: - TBD -
• Steering Ratio (:1), At Lock: - TBD -
• Turning Diameter - Curb to Curb (ft): 57.4
• Frame
• Frame Type: Hydroformed
• Fuel Tank
• Fuel Tank Capacity, Approx (gal): 23.5
• Aux Fuel Tank Capacity, Approx (gal): 40.0
• Fuel Tank Location: Front
• Aux Fuel Tank Location: Rear
• Exterior Dimensions
• Wheelbase (in): 171.5
• Length, Overall w/o rear bumper (in): 263.5
• Width, Max w/o mirrors (in): 80.51
• Height, Overall (in): 77.76
• Overhang, Front (in): 38.8
• Overhang, Rear w/o bumper (in): - TBD -
• Front Bumper to Back of Cab (in): 117.10
• Cab to Axle (in): 59.06
• Cab to End of Frame (in): - TBD -
• Ground to Top of Frame (in): - TBD -
• Frame Width, Rear (in): - TBD -
• Ground Clearance, Front (in): - TBD -
• Ground Clearance, Rear (in): - TBD -
• Interior Dimensions
• Passenger Capacity: 6
• Front Head Room (in): 42.8
• 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 171.5" Wheelbase
• Body Code: ZW9
• Emissions
• EPA Greenhouse Gas Score: - TBD -
• Tons/yr of CO2 Emissions @ 15K mi/year: - TBD -