• Pickup bed includes bed assist step
• Push Button Start
• Hill Descent Control
• Transfer case, two-speed active, electronic Autotrac with push button control
• Auto-locking rear differential
• Four wheel drive
• Air filter, heavy-duty
• Air filtration monitoring
• Trailer brake controller, integrated
• In-Vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert when (PTT) trailer tire pressure monitor sensors are installed.)
• Recovery hooks, Red
• Skid Plates protect the oil pan, front axle and transfer case
• Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
• Suspension, Off-Road includes twin-tube shocks
• Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Brake lining wear indicator

• Wheels, 20" (50.8 cm) High Gloss black aluminum wheels 8 spokes
• Tires, LT275/65R20 all-terrain, blackwall
• Tire, spare LT275/70R18 all-terrain, blackwall
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Bumper, front, body-color lower
• Bumper, rear body-color with bumper CornerSteps
• Bedliner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Available with Ship Thru code (TCH), not available with any other Ship Thru code.)
• Bed Step, Black integrated on forward portion of bed on driver and passenger side
• CornerStep, rear bumper
• Cargo tie downs (12), fixed, rated at 500 lbs per corner
• Wheelhouse liners, rear
• Moldings, beltline, Black
• Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
• Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
• IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
• Fog lamps, LED
• Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
• LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
• Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
• Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, (U12) perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm]) lighting
• Mirror caps, high gloss Black
• Glass, deep-tinted
• Wipers, front rain-sensing
• Door handles, body-color
• Tailgate, GMC MultiPro Tailgate with six functional load/access features NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
• Tailgate and bed rail protection caps, top

• 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
• SiriusXM Trial Subscription
• SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy, visit www.siriusxm.com which includes full terms and how to cancel. All fees, content, features, and availability are subject to change. Some features require GM connected vehicle services.)
• Bose Sound System, premium 7-speaker system with Richbass woofer
• Bluetooth® for phone connectivity to vehicle infotainment system
• Wireless phone projection for Apple CarPlay and Android Auto
• Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)

• Seats, front bucket with center console
• Seat trim, Perforated front Leather
• Seat, Up-level Rear with Storage Package 60/40 folding bench, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
• Seat adjuster, driver 10-way power including lumbar
• Seat adjuster, passenger 10-way power including lumbar
• Seating, heated driver and front outboard passenger
• Seats, ventilated driver and front passenger
• Seats, heated second row outboard seats
• Driver memory recalls driver "presets" for power driver seat and outside mirrors
• Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
• Floor covering, color-keyed carpeting
• Premium Floor Liners with removable carpet insert, front
• Premium Floor Liners with removable carpet insert, rear
• Steering wheel, wrapped
• Steering wheel, heated
• Steering wheel audio controls
• Steering column, manual Tilt-Wheel and telescoping
• Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
• Rear Seat Reminder
• GMC Premium information Display- 13.4" diagonal Multicolor touch screen
• Exterior Temperature Display, located in radio display
• Compass, located in instrument cluster
• Windows, power front, drivers express up/down
• Window, power front, passenger express up/down
• Windows, power rear, express down
• Door locks, power
• Keyless Open and Start includes remote keyless entry
• Remote vehicle starter system
• Adaptive Cruise Control
• Wireless Charging
• Theft-deterrent system, unauthorized entry
• Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
• USB Ports, 2 (first row) located on console
• USB Ports, 2, Charge/Data ports located inside center console
• USB ports, (2) charge-only, rear
• Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
• Air vents, rear
• Air conditioning, dual-zone automatic climate control
• Defogger, rear-window electric
• Mirror, inside rearview auto-dimming
• Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted

• Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
• Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
• Daytime Running Lamps, LED signature lighting
• LED Signature DRL's
• 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.)
• OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
• Front and Rear Park Assist, ultrasonic
• HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a center stack display. Includes front camera washer.
• Bed View Camera, camera in the CHMSL to show a view of the cargo bed display located in infotainment screen, includes Two Trailer Camera Provisions
• Trailer Camera Provisions and trailer viewing software
• Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
• Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
• Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
• Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
• Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
• Rear Seat Belt Indicator
• Rear Cross Traffic Alert
• Trailer Side Blind Zone Alert
• Seat Belt Adjustable Guide Loops, front row only
• 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.)
• Safety Alert Seat
• 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
• OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you're in need. (OnStar Basics includes select remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. For MY25 vehicles, OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)

AT4 PREFERRED PACKAGE

• includes (UG1) Universal Home Remote
• (A48) rear sliding power window and (U01) Roof Marker Lamps

AT4 PREMIUM PLUS PACKAGE

• includes (PDO) AT4 Preferred Package
• (CF5) power sunroof
• (CWM) Technology Package and (VXW) AT4 high clearance step
• LPO

AT4 PREFERRED EQUIPMENT GROUP

• includes standard equipment

ASSIST STEPS, POWER RETRACTABLE, BLACK

• includes LED lighting

LPO, HARD FOLDING TRUCK BED COVER BY REALTRUCK ADVANTAGE

• (dealer-installed)

TECHNOLOGY PACKAGE

• includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display

LPO, HITCH PACKAGE

• Gooseneck ball and chain tiedown kit with case
• (dealer-installed)

LPO, ALL-WEATHER FLOOR LINERS, 1ST AND 2ND ROWS

• (includes AT4 logo)

LPO, WHEEL LOCKS, SET OF 4

• (dealer-installed)

TRAILER TIRE PRESSURE MONITOR SENSORS

• includes set of 4 sensors. Sensor functionality requires (UET) In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories

• REQUIRED FOR SIERRA 2500HD AT4
• Max Trailering Package: 11
• 750 lbs (5
• 330 Kg) GVWR; Gooseneck/5th Wheel Prep Package
• AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote
• AT4 Premium Plus Package: Power Sunroof; Technology Package
• Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners
• Power-Retractable Black Assist Steps
• Hard Folding Truck Bed Cover
• Technology Package
• Power Sunroof
• Gooseneck/5th Wheel Prep Package
• Hitch Package
• 1st and 2nd Rows All-Weather Floor Liners
• Set of 4 Wheel Locks
• LED Smoked Amber Roof Marker Lamps
• Trailer Tire Pressure Monitor Sensors
• Apple CarPlay/Android Auto smart device wireless mirroring
• Forward Collision Alert with Automatic Braking
• Front Pedestrian Braking
• Wi-Fi Hotspot capable mobile hotspot internet access
• HD Rear Vision Camera w/Hitch View rear mounted camera
• Adaptive cruise control
• Head-up display
• Automatic Emergency Braking predictive brake assist system
• Cruise control with steering wheel mounted controls
• Ventilated driver and front passenger seats
• Keyfob remote start
• Heated steering wheel
• Heated driver and front passenger seats
• Heated rear seats
• Leather front seat upholstery
• Primary monitor touchscreen
• Lane Departure Warning
• Rear Cross-Traffic Alert collision warning
• First-row sliding and tilting glass sunroof with express open/close activation sunshade
• Driver seat power reclining
• lumbar support
• cushion tilt
• fore/aft control and height adjustable control
• AutoTrac part and full-time 4WD
• Duramax 6.6L V-8 diesel direct injection
• intercooled turbo
• diesel
• engine with 470HP
• Front wireless smart device charging
• Google Built-In built-in virtual assistant
• Teen Driver restricted driving mode/alerts
• Keyless Open/Keyless Start with hands-free access and push button start
• Keyfob window control
• HD Surround Vision w/Hitch View aerial view camera
• Smart device remote start
• GCW Alert weight capacity alert
• Video-feed rearview mirror
• Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
• Bluetooth® wireless audio streaming
• Hitch Guidance vehicle to trailer hitching assist
• Gauge cluster display size: 12.30
• Front mounted camera with washer
• Right side camera
• Pickup box camera
• Left side camera
• Trailer Side Blind Zone Alert blind spot warning
• Following Distance Indicator
• Trailer tire pressure and temperature sensors
• Trailer light test
• Trailer light malfunction warning
• Trailer theft alarm
• Dual-zone front climate control
• Full gauge cluster screen
• Auto high-beam headlights
• Immobilizer
• Bose speakers
• Max Trailering Package: 11
• 750 lbs (5
• 330 Kg) GVWR; Gooseneck/5th Wheel Prep Package
• AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote
• AT4 Premium Plus Package: Power Sunroof; Technology Package
• Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners
• Power-Retractable Black Assist Steps
• Hard Folding Truck Bed Cover
• Technology Package
• Power Sunroof
• Gooseneck/5th Wheel Prep Package
• Hitch Package
• 1st and 2nd Rows All-Weather Floor Liners
• Set of 4 Wheel Locks
• LED Smoked Amber Roof Marker Lamps
• Trailer Tire Pressure Monitor Sensors
• Apple CarPlay/Android Auto smart device wireless mirroring
• Forward Collision Alert with Automatic Braking
• Front Pedestrian Braking
• Wi-Fi Hotspot capable mobile hotspot internet access
• HD Rear Vision Camera w/Hitch View rear mounted camera
• Adaptive cruise control
• Head-up display
• Automatic Emergency Braking predictive brake assist system
• Cruise control with steering wheel mounted controls
• Ventilated driver and front passenger seats
• Keyfob remote start
• Heated steering wheel
• Heated driver and front passenger seats
• Heated rear seats
• Leather front seat upholstery
• Primary monitor touchscreen
• Lane Departure Warning
• Rear Cross-Traffic Alert collision warning
• First-row sliding and tilting glass sunroof with express open/close activation sunshade
• Driver seat power reclining
• lumbar support
• cushion tilt
• fore/aft control and height adjustable control
• AutoTrac part and full-time 4WD
• Duramax 6.6L V-8 diesel direct injection
• intercooled turbo
• diesel
• engine with 470HP
• Front wireless smart device charging
• Google Built-In built-in virtual assistant
• Teen Driver restricted driving mode/alerts
• Keyless Open/Keyless Start with hands-free access and push button start
• Keyfob window control
• HD Surround Vision w/Hitch View aerial view camera
• Smart device remote start
• GCW Alert weight capacity alert
• Video-feed rearview mirror
• Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
• Bluetooth® wireless audio streaming
• Hitch Guidance vehicle to trailer hitching assist
• Gauge cluster display size: 12.30
• Front mounted camera with washer
• Right side camera
• Pickup box camera
• Left side camera
• Trailer Side Blind Zone Alert blind spot warning
• Following Distance Indicator
• Trailer tire pressure and temperature sensors
• Trailer light test
• Trailer light malfunction warning
• Trailer theft alarm
• Dual-zone front climate control
• Full gauge cluster screen
• Auto high-beam headlights
• Immobilizer
• Bose speakers

• Electrical
• Cold Cranking Amps @ 0° F (Primary): 720
• Maximum Alternator Capacity (amps): 170
• Maximum Alternator Watts: N/A
• Cooling System
• Total Cooling System Capacity (qts): - TBD -
• Weight Information
• Gross Axle Wt Rating - Front (lbs): - TBD -
• Gross Axle Wt Rating - Rear (lbs): - TBD -
• Curb Weight - Front (lbs): 4023
• Curb Weight - Rear (lbs): 2822
• Gross Vehicle Weight Rating Cap (lbs): 10850
• Gross Combined Wt Rating (lbs): 30000
• Gross Combined Wt Rating (lbs): 26000
• Trailering
• Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
• Dead Weight Hitch - Max Tongue Wt. (lbs): 500
• Wt Distributing Hitch - Max Trailer Wt. (lbs): - TBD -
• Wt Distributing Hitch - Max Trailer Wt. (lbs): 16000
• Wt Distributing Hitch - Max Tongue Wt. (lbs): - TBD -
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 1600
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 20800
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 18000
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 5200
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 4500
• Maximum Trailering Capacity (lbs): 20000
• Suspension
• Suspension Type - Front: Short/Long Arm
• Suspension Type - Rear: Multi-Leaf Springs
• Spring Capacity - Front (lbs): - TBD -
• Spring Capacity - Rear (lbs): - TBD -
• Axle Type - Front: - TBD -
• 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): 2.01
• Shock Absorber Diameter - Rear (mm): 2.01
• 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: QF9
• Rear Tire Order Code: QF9
• Spare Tire Order Code: ZYG
• Front Tire Size: LT275/65R20
• Rear Tire Size: LT275/65R20
• Spare Tire Size: LT275/70R18
• Front Tire Capacity (lbs): - TBD -
• Rear Tire Capacity (lbs): - TBD -
• Spare Tire Capacity (lbs): - TBD -
• Revolutions/Mile @ 45 mph - Front: N/A
• Revolutions/Mile @ 45 mph - Rear: N/A
• Revolutions/Mile @ 45 mph - Spare: N/A
• Wheels
• Front Wheel Size (in): 20 x - TBD -
• Rear Wheel Size (in): 20 x - TBD -
• 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: - TBD -
• Turning Diameter - Curb to Curb (ft): 52.7
• Turning Diameter - Wall to Wall (ft): N/A
• Frame
• Frame Type: - TBD -
• Fuel Tank
• Fuel Tank Capacity, Approx (gal): 36
• Fuel Tank Location: - TBD -
• Exterior Dimensions
• Wheelbase (in): 159
• Length, Overall (in): 250.75
• Width, Max w/o mirrors (in): 81.85
• Height, Overall (in): 79.82
• Overhang, Front (in): - TBD -
• Overhang, Rear w/o bumper (in): - TBD -
• Front Bumper to Back of Cab (in): - TBD -
• Cab to Axle (in): 42.17
• 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): 10.12
• Ground Clearance, Rear (in): 10.12
• Cargo Area Dimensions
• Cargo Box Length @ Floor (in): 82.2
• Cargo Box Width @ Top, Rear (in): - TBD -
• Cargo Box Width @ Floor (in): 71.4
• Cargo Box Width @ Wheelhousings (in): 51.85
• Cargo Box (Area) Height (in): 21
• Tailgate Width (in): - TBD -
• Cargo Volume (ft³): 69.5
• Ext'd Cab Cargo Volume (ft³): - TBD -
• Interior Dimensions
• Passenger Capacity: 5
• Front Head Room (in): 43.03
• Front Leg Room (in): 44.53
• Front Shoulder Room (in): 66.02
• Front Hip Room (in): 61.18
• Second Head Room (in): 40.12
• Second Leg Room (in): 43.4
• Second Shoulder Room (in): 65.3
• Second Hip Room (in): 60.24
• Summary
• Vehicle Name: GMC Sierra 2500HD
• Body Style: Crew Cab Pickup
• Body Code: E63