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

• (470 hp [350.5 kW] @ 2800 rpm
• 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)

• Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
• Wireless Phone Projection for Apple CarPlay and Android Auto
• Audio system feature
• 2-speakers (Requires Regular Cab model.)
• Bluetooth® for phone connectivity to vehicle infotainment system
• Audio System
• 13.4 diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance
• includes color touch-screen
• multi-touch display
• AM/FM stereo
• Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones.
• Taillamps
• LED Signature Tail
• Incandescent Brake
• Turn & Reverse Lamps (Requires single rear wheels.)
• Bumper
• rear chrome with bumper CornerSteps
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
• Lamps
• cargo area
• cab mounted integrated with center high mount stop lamp
• with switch in bank on left side of steering wheel
• IntelliBeam
• automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
• Door handles
• body-color
• Headlamps
• Animated LED projectors
• LED turn signals and Daytime Running Lamps
• Mirrors
• outside power-adjustable vertical trailering with heated upper glass lower convex mirrors
• integrated turn signals
• manual folding/extending (extends 3.31 [84.25mm])
• Black
• Tires
• LT275/70R18E all-terrain
• blackwall (Requires single rear wheels. Included with (RFX) X31 Off-Road and Protection Package.)
• CornerStep
• rear bumper
• Tailgate
• gate function manual with EZ Lift includes power lock and release
• includes hitch area light (Deleted with (ZW9) pickup bed delete.)

• Electrical
• Cold Cranking Amps @ 0° F (Primary): 720
• Maximum Alternator Capacity (amps): 170
• Cooling System
• Total Cooling System Capacity (qts): - TBD -
• Weight Information
• Gross Axle Wt Rating - Front (lbs): 5200
• Gross Axle Wt Rating - Front (lbs): 4400
• Gross Axle Wt Rating - Rear (lbs): 7250
• Curb Weight - Front (lbs): 3818
• Curb Weight - Rear (lbs): 2768
• Gross Vehicle Weight Rating Cap (lbs): 11300
• Gross Combined Wt Rating (lbs): 29700
• Gross Combined Wt Rating (lbs): 24000
• Trailering
• Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
• Dead Weight Hitch - Max Tongue Wt. (lbs): 500
• Wt Distributing Hitch - Max Trailer Wt. (lbs): 14500
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 1450
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 22050
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 18700
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 5512
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 4675
• Maximum Trailering Capacity (lbs): 20000
• Suspension
• Suspension Type - Front: Short/Long Arm w/Torsion Bars
• Suspension Type - Rear: 3-Stage Multi-Leaf
• Spring Capacity - Front (lbs): - TBD -
• Spring Capacity - Rear (lbs): - TBD -
• Axle Type - Front: Independent
• Axle Type - Rear: - TBD -
• Axle Capacity - Front (lbs): - TBD -
• Axle Capacity - Rear (lbs): - TBD -
• 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): 1.38
• 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 x 1.6
• Rear Brake Rotor Diam x Thickness (in): 14.1 x 1.3
• Tires
• Front Tire Order Code: QF6
• Rear Tire Order Code: QF6
• Spare Tire Order Code: ZYG
• Front Tire Size: LT275/70R18
• Rear Tire Size: LT275/70R18
• Spare Tire Size: LT275/70R18
• Front Tire Capacity (lbs): - TBD -
• Rear Tire Capacity (lbs): - TBD -
• Spare Tire Capacity (lbs): - TBD -
• Wheels
• Front Wheel Size (in): 18 x 8
• Rear Wheel Size (in): 18 x 8
• Spare Wheel Size (in): 18 x 8
• Front Wheel Material: Aluminum
• Rear Wheel Material: Aluminum
• Spare Wheel Material: Steel
• Steering
• Steering Type: Pwr Recirculating Ball
• Steering Ratio (:1), On Center: - TBD -
• Steering Ratio (:1), At Lock: N/A
• Turning Diameter - Curb to Curb (ft): 46.9
• Turning Diameter - Wall to Wall (ft): N/A
• Frame
• Frame Type: Hydroformed
• Fuel Tank
• Fuel Tank Capacity, Approx (gal): 28
• Fuel Tank Capacity, Approx (gal): 36
• Fuel Tank Location: - TBD -
• Exterior Dimensions
• Wheelbase (in): 141.55
• Length, Overall (in): 236.3
• Width, Max w/o mirrors (in): 81.75
• Height, Overall (in): 80.94
• Overhang, Front (in): - TBD -
• Overhang, Rear w/o bumper (in): - TBD -
• Front Bumper to Back of Cab (in): - TBD -
• Cab to Axle (in): 55.2
• Cab to End of Frame (in): - TBD -
• Ground to Top of Load Floor (in): - TBD -
• Ground to Top of Frame (in): - TBD -
• Frame Width, Rear (in): - TBD -
• Ground Clearance, Front (in): 11.22
• Ground Clearance, Rear (in): 11.22
• Cargo Area Dimensions
• Cargo Box Length @ Floor (in): 98.27
• Cargo Box Width @ Top, Rear (in): - TBD -
• Cargo Box Width @ Floor (in): 71.4
• Cargo Box Width @ Wheelhousings (in): 50.55
• Cargo Box (Area) Height (in): 21
• Tailgate Width (in): - TBD -
• Cargo Volume (ft³): 83.5
• Ext'd Cab Cargo Volume (ft³): - TBD -
• Interior Dimensions
• Passenger Capacity: 3
• Front Head Room (in): 43.11
• Front Leg Room (in): 44.53
• Front Shoulder Room (in): 66.06
• Front Hip Room (in): 60.9
• Summary
• Vehicle Name: GMC Sierra 3500HD
• Body Style: Regular Cab Pickup
• Body Code: E63