• Air conditioning, single-zone
• Air vents, rear (Not available with Regular Cab model.)
• Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
• Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
• Audio system, GMC Infotainment System with 7" diagonal color touch-screen AM/FM stereo with seek-and-scan and digital clock, includes Bluetooth® streaming audio for music and select phones; featuring wired Android Auto and Apple CarPlay capability for compatible phones
• Bluetooth® for phone connectivity to vehicle infotainment system
• Compass, located in instrument cluster
• Door locks, power
• Driver Information Center, 3.5" diagonal monochromatic display
• Exterior Temperature Display, located in radio display
• Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
• GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)
• Mirror, inside rearview, manual tilt
• Power outlet, front auxiliary, 12-volt
• Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
• Remote keyless entry
• Seat adjuster, driver 4-way manual
• Seat adjuster, passenger 4-way manual
• Seat trim, Vinyl
• Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular Cab model.)
• Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable)
• Steering wheel, urethane
• USB Ports, 2, Charge/Data ports located on instrument panel
• Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
• Window, power front, passenger express down
• Windows, power front, drivers express up/down
• Windows, power rear, express down
• Wireless Phone Projection for Apple CarPlay and Android Auto

• Air filter, heavy-duty
• Air filtration monitoring
• Auto-locking rear differential
• Brake lining wear indicator
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
• Pickup bed includes bed assist step
• Push Button Start
• Rear wheel drive
• Recovery hooks, front, frame-mounted, Black
• Steering, Recirculating Ball with smart flow power steering system
• Suspension Package

• Airbags, Dual-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; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat 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.)
• Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
• Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety.)
• Daytime Running Lamps, LED signature lighting
• Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
• Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
• Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
• HD Rear Vision Camera (Not available with (ZW9) pickup bed delete. Removed with (UV2) HD Surround Vision or (ZW9) pickup bed delete. Not available with (Z6A) Gooseneck / 5th Wheel Prep Package.)
• Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
• Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
• LED Signature DRL's
• OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)
• Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
• Seat Belt Adjustable Guide Loops, front row only (Included and only available on Crew Cab and Double Cab models. Not available with (ZW9) pickup bed delete.)
• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
• Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
• Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
• Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering

ENGINE, 6.6L V8

• with Direct Injection and Variable Valve Timing
• gasoline
• (401 hp [299 kW] @ 5200 rpm
• 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD)

• CRUISE CONTROL STEERING WHEEL-MOUNTED
• POWER OUTLET INSTRUMENT PANEL 120-VOLT (400 watts shared with (KC9) bed mounted power outlet)
• PRO PREFERRED EQUIPMENT GROUP includes standard equipment
• CONVENIENCE PACKAGE includes (QT5) EZ Lift power lock and release tailgate (K34) Cruise control (AKO) tinted glass (UF2) LED cargo bed lighting (C49) rear-window defogger and (DBG) outside power-adjustable vertical trailering with heated upper glass
• DEFOGGER REAR-WINDOW ELECTRIC
• 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
• TRANSMISSION ALLISON 10-SPEED AUTOMATIC (STD)
• STEERING COLUMN TILT-WHEEL MANUAL with wheel locking security feature (Beginning February 27 2023 through June 4 2023 certain vehicles will be forced to include (N37) manual tilt/telescoping steering column that will remove the (N33) Tilt-Wheel manual steering column. Does not include later dealer retrofit. See dealer for details or the window label for the features on a specific vehicle.)
• SEATS FRONT 40/20/40 SPLIT-BENCH with covered armrest storage and under-seat storage (lockable) (STD)
• GLASS DEEP-TINTED
• AUDIO SYSTEM GMC INFOTAINMENT SYSTEM WITH 7" DIAGONAL COLOR TOUCH-SCREEN AM/FM stereo with seek-and-scan and digital clock includes Bluetooth® streaming audio for music and select phones; featuring wired Android Auto and Apple CarPlay capability for compatible phones (STD)
• ENGINE 6.6L V8 with Direct Injection and Variable Valve Timing gasoline (401 hp [299 kW] @ 5200 rpm 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD)
• TRAILER BRAKE CONTROLLER INTEGRATED
• JET BLACK VINYL SEAT TRIM
• SUMMIT WHITE
• BACK-UP ALARM CALIBRATION This calibration will allow installation of an aftermarket backup alarm by disabling rear perimeter lighting
• REAR AXLE 3.73 RATIO
• Lane Departure Warning
• Front Collision Mitigation
• Front Collision Warning
• Automatic Highbeams
• Tow Hitch
• Running Boards/Side Steps
• Keyless Start
• Locking/Limited Slip Differential
• Rear Wheel Drive
• Tow Hooks
• Power Steering
• ABS
• 4-Wheel Disc Brakes
• Steel Wheels
• Tires - Front All-Season
• Tires - Rear All-Season
• Conventional Spare Tire
• Daytime Running Lights
• Automatic Highbeams
• AM/FM Stereo
• MP3 Capability
• Bluetooth® Connection
• Auxiliary Audio Input
• Smart Device Integration
• Bluetooth® Connection
• Bluetooth® Connection
• Smart Device Integration
• WiFi Hotspot
• Split Bench Seat
• Vinyl Seats
• Pass-Through Rear Seat
• Rear Bench Seat
• Floor Mats
• Power Windows
• Power Windows
• Power Windows
• Power Door Locks
• Keyless Entry
• Power Door Locks
• MP3 Capability
• Auxiliary Audio Input
• Power Outlet
• A/C
• Front Collision Mitigation
• Front Collision Mitigation
• Front Collision Warning
• Traction Control
• Stability Control
• Daytime Running Lights
• Daytime Running Lights
• Driver Air Bag
• Passenger Air Bag
• Front Side Air Bag
• Front Head Air Bag
• Rear Head Air Bag
• Passenger Air Bag Sensor
• Telematics
• Requires Subscription
• Back-Up Camera
• Front Collision Warning
• Lane Departure Warning
• Driver Restriction Features
• Tire Pressure Monitor
• Telematics
• Requires Subscription

• Brakes
• Brake ABS System: 4-Wheel
• Brake Type: Pwr
• 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
• Cargo Area Dimensions
• Cargo Box Length : Floor (in)
• Cargo Box Width : Floor (in)
• Cargo Box Width : Top, Rear (in)
• Cargo Box Width : Wheelhousings (in)
• Cargo Volume (ft³): 69.5
• Electrical
• Cold Cranking Amps : 0° F (2nd)
• Cold Cranking Amps : 0° F (Primary)
• Maximum Alternator Capacity (amps): 170
• Maximum Alternator Watts: N/A
• Emissions
• Tons/yr of CO2 Emissions : 15K mi/year
• Exterior Dimensions
• Cab to Axle (in): 42.17
• Ground Clearance, Front (in): 10.12
• Ground Clearance, Rear (in): 10.12
• Height, Overall (in): 79.82
• Length, Overall (in): 250.75
• Wheelbase (in): 159
• Width, Max w/o mirrors (in): 81.85
• Fuel Tank
• Fuel Tank Capacity, Approx (gal): 36
• Interior Dimensions
• Front Head Room (in): 43.03
• Front Hip Room (in): 61.18
• Front Leg Room (in): 44.53
• Front Shoulder Room (in): 66.02
• Passenger Capacity: 6
• Second Head Room (in): 40.12
• Second Hip Room (in): 60.24
• Second Leg Room (in): 43.4
• Second Shoulder Room (in): 65.3
• Steering
• Steering Type: Pwr Recirculating Ball
• Turning Diameter - Curb to Curb (ft): 52.7
• Turning Diameter - Wall to Wall (ft): N/A
• Summary
• Body Code: ZW9
• Body Style: Crew Cab Chassis Cab
• Vehicle Name: GMC Sierra 2500HD
• Suspension
• Axle Ratio (:1) - Rear: 3.73
• Shock Absorber Diameter - Front (mm): 2.01
• Shock Absorber Diameter - Rear (mm): 2.01
• Stabilizer Bar Diameter - Front (in): 1.38
• Suspension Type - Front: Short/Long Arm
• Suspension Type - Rear: Multi-Leaf Springs
• Tires
• Front Tire Order Code: QHQ
• Front Tire Size: LT245/75R17E
• Rear Tire Order Code: QHQ
• Rear Tire Size: LT245/75R17E
• Revolutions/Mile : 45 mph - Front
• Revolutions/Mile : 45 mph - Rear
• Revolutions/Mile : 45 mph - Spare
• Spare Tire Order Code: ZHQ
• Spare Tire Size: LT245/75R17E
• Trailering
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 4625
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 18500
• Weight Information
• Curb Weight - Front (lbs): 3703
• Curb Weight - Rear (lbs): 2810
• Gross Combined Wt Rating (lbs): 24500
• Gross Vehicle Weight Rating Cap (lbs): 10150
• Wheels
• Front Wheel Material: Steel
• Front Wheel Size (in): 17 x
• Rear Wheel Material: Steel
• Rear Wheel Size (in): 17 x
• Spare Wheel Material: Steel