2024 GMC SIERRA 2500HD AT4

• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
• 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.)
• Front and Rear Park Assist, ultrasonic
• 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
• Following Distance Indicator (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
• Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering

PACKAGE (2)

• X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App

MECHANICAL (22)

• 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)
• Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
• GVWR, 10,850 lbs. (4921 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)
• Hill Descent Control
• Transfer case, two-speed active, electronic Autotrac with push button control
• Auto-locking rear differential
• Four wheel drive
• Cooling, external engine oil cooler
• Cooling, auxiliary external transmission oil cooler
• Air filter, heavy-duty
• Air filtration monitoring
• Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
• Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
• 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

EXTERIOR (24)

• Tire, spare LT275/70R18 all-terrain, blackwall
• Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
• 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) (AT4 logo replaces GMC logo. Available with Ship Thru code (SQE), 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.)
• 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

ENTERTAINMENT (1)

• Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)

INTERIOR (26)

• 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
• 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
• Steering wheel, wrapped
• Steering wheel, heated
• Steering wheel audio controls
• Steering column, manual Tilt-Wheel and telescoping (Included and only available with (PCQ) SLE Convenience Package.
• 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
• Remote vehicle starter system
• 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) 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
• Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
• GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)

Safety and Security@Front Pedestrian Automatic emergency braking~Safety and Security@Front Automatic emergency braking~Safety and Security@Surround View Camera system~Safety and Security@Check rear seat reminder~Safety and Security@Pedestrian Detection Pre-collision warning system~Safety and Security@Vibrating Driver Seat Pre-collision warning system~Safety and Security@Audible Warning Pre-collision warning system~Safety and Security@Visual Warning Pre-collision warning system~Safety and Security@Sensor/alert Blind spot safety~Safety and Security@Rear Cross traffic alert~Safety and Security@Trailer Coverage Blind spot safety~Safety and Security@Lane deviation sensors~Safety and Security@Trailer Rearview Camera system~Safety and Security@Front Side airbags~Safety and Security@Rear Side curtain airbags~Safety and Security@Front Side curtain airbags~Safety and Security@4-wheel ABS~Safety and Security@Anti-lockout Power door locks~Safety and Security@Auto-locking Power door locks~Safety and Security@Front Camera system washer~Safety and Security@Programmable safety key~Safety and Security@Hill Descent Off-road driving assist~Safety and Security@Auto Off Electronic parking brake~Safety and Security@Cargo Area Camera system~Safety and Security@Trailer stability control~Safety and Security@Ventilated Disc Rear brake~Safety and Security@Alarm Anti-theft system~Safety and Security@Braking assist~Safety and Security@Hill holder control~Safety and Security@Ventilated Disc Front brake~Safety and Security@Dual Front airbags~Safety and Security@Vehicle Immobilizer Anti-theft system~Safety and Security@Power brakes~Safety and Security@LATCH System Child seat anchors~Safety and Security@Electronic brakeforce distribution~Safety and Security@Stability control~Safety and Security@Traction control~Safety and Security@In Dash Rearview monitor~Safety and Security@Occupant Sensing Passenger Airbag deactivation~Safety and Security@Front Seatbelt pretensioners~Safety and Security@Front Emergency locking retractors~Safety and Security@Roll stability control~Safety and Security@Front Seatbelt warning sensor~Interior@Semi-automatic Adaptive stop and go cruise control~Interior@Leather-trimmed Upholstery~Interior@Adaptive cruise control~Interior@Proximity Entry System Multi-function remote~Interior@Ventilated Driver seat~Interior@Ventilated Passenger seat~Interior@Heated steering wheel~Interior@10 Driver seat power adjustments~Interior@Automatic Climate Control Front air conditioning~Interior@Driver Seat Memorized settings~Interior@Side Mirrors Memorized settings~Interior@Dual Front air conditioning zones~Interior@Front Wireless charging station~Interior@Power Driver Seat Easy entry~Interior@Push-button start~Interior@Heated Driver seat~Interior@Remote engine start/cabin preconditioning~Interior@Heated Passenger seat~Interior@Auto-dimming Rearview mirror~Interior@Heated Rear seat~Interior@10 Passenger seat power adjustments~Interior@12.3 In. Instrument cluster screen size~Interior@Variable/speed-proportional Power steering~Interior@Cruise control~Interior@Hydraulic Variable Assist Power steering~Interior@Bucket Front seat~Interior@Leather Center console trim~Interior@Leatherette Steering wheel trim~Interior@Rubber/vinyl Floor mat material~Interior@60-40 Split Bench Rear seat~Interior@115V Cargo Area Power outlet(s)~Interior@115V Front Power outlet(s)~Interior@2 Driver Memorized settings~Interior@Air filtration~Interior@Capless fuel filler system~Interior@Customizable instrument cluster~Interior@Folds Up Rear seat folding~Interior@USB Front Power outlet(s)~Interior@USB-C Front Power outlet(s)~Interior@USB Rear Power outlet(s)~Interior@USB-C Rear Power outlet(s)~Interior@12V Rear Power outlet(s)~Interior@Tilt And Telescopic Steering wheel~Interior@Second Row Rear vents~Interior@Rear Floor mats~Interior@Front Floor mats~Interior@Multi-function display~Interior@Oil Pressure Gauge~Interior@Front Console With Armrest And Storage Center console~Interior@Compass~Interior@Rear Center With Cupholders Armrests~Interior@Rear Folding Armrests~Interior@4 One-touch windows~Interior@Vehicle And Key Memory Multi-function remote~Interior@External temperature display~Interior@Perforated Upholstery accents~Interior@MPG Fuel economy display~Interior@Range Fuel economy display~Interior@Front Reading lights~Interior@Tachometer Gauge~Interior@Rear Reading lights~Interior@Lumbar Driver seat power adjustments~Interior@Lumbar Passenger seat power adjustments~Interior@Reclining Passenger seat power adjustments~Interior@Reclining Driver seat power adjustments~Interior@Height Driver seat power adjustments~Interior@Height Passenger seat power adjustments~Interior@Front Cupholders~Interior@Maintenance Due Warnings and reminders~Interior@Front Overhead console~Interior@Dual Illuminating Vanity mirrors~Interior@Rear Cupholders~Interior@Panic Alarm Multi-function remote~Interior@Audio Steering wheel mounted controls~Interior@Under Rear Seats Storage~Interior@Carpet Floor material~Interior@Cruise Control Steering wheel mounted controls~Interior@Phone Steering wheel mounted controls~Interior@Multi-function Steering wheel mounted controls~Interior@Front Seatback Storage~Interior@Voice Control Steering wheel mounted controls~Interior@Powertrain hour meter~Exterior@Power Glass Moonroof / Sunroof~Exterior@Painted Aluminum Alloy Wheels~Exterior@LED Headlights~Exterior@Power Telescoping Side mirror adjustments~Exterior@Rain Sensing Front wipers~Exterior@Auto High Beam Dimmer Headlights~Exterior@Auto-dimming Side mirrors~Exterior@LED Daytime running lights~Exterior@Spray-on Pickup bed liner~Exterior@LED Taillights~Exterior@Power Folding Side mirror adjustments~Exterior@Power Open Tailgate~Exterior@Multi-function Split-folding Tailgate~Exterior@LED Front fog lights~Exterior@Safety Reverse Power windows~Exterior@Towing mirrors~Exterior@Power Locking Tailgate~Exterior@Power Side mirror adjustments~Exterior@Heated Side mirrors~Exterior@Puddle Lamps Exterior entry lights~Exterior@Approach Lamps Exterior entry lights~Exterior@Steel Spare wheel~Exterior@Hood scoop~Exterior@Rear Window defogger~Exterior@Variable Intermittent Front wipers~Exterior@LED Pickup bed light~Exterior@Step Tailgate~Exterior@Lift Assist Tailgate~Exterior@Tire Pressure Monitoring System~Exterior@Integrated Turn Signals Side mirrors~Exterior@Reverse Gear Tilt Side mirror adjustments~Exterior@Tinted glass~Exterior@Full-size Spare tire size~Exterior@Auto On/off Headlights~Exterior@Rear Skid plate(s)~Exterior@Front Skid plate(s)~Exterior@Auto Delay Off Headlights~Exterior@Black Fender lip moldings~Exterior@Rear Integrated Corner Step Bumper detail~Exterior@Wiper Activated Headlights~Exterior@Black Window trim~Exterior@Black Mirror color~Exterior@Black Surround Grille color~Exterior@Black Grille color~Exterior@Stainless Steel Exhaust tip color~Entertainment and Technology@Hotspot Wi-Fi~Entertainment and Technology@Touch Screen Display Navigation system~Entertainment and Technology@Voice Operated Navigation system~Entertainment and Technology@Bose Premium brand~Entertainment and Technology@Wireless Apple CarPlay Smartphone integration~Entertainment and Technology@Wireless Android Auto Smartphone integration~Entertainment and Technology@13.4 In. Infotainment screen size~Entertainment and Technology@Google Built-In Infotainment~Entertainment and Technology@MyGMC With Connected Access Smart device app compatibility~Entertainment and Technology@Amazon Alexa Smart device app compatibility~Entertainment and Technology@Bluetooth Wireless data link~Entertainment and Technology@Voice Operated Hands-free phone call integration~Entertainment and Technology@Voice Operated Radio~Entertainment and Technology@Bluetooth Auxiliary audio input~Entertainment and Technology@Engine Start/cabin Preconditioning Smart device app function~Entertainment and Technology@Touch Screen Display Radio~Entertainment and Technology@1 Subwoofer~Entertainment and Technology@Real Time Traffic Navigation data~Entertainment and Technology@App Marketplace Integration Connected in-car apps~Entertainment and Technology@Google Assistant Connected in-car apps~Entertainment and Technology@With Read Function Electronic messaging assistance~Entertainment and Technology@Voice Operated Electronic messaging assistance~Entertainment and Technology@SiriusXM Satellite radio~Entertainment and Technology@6 Total speakers~Entertainment and Technology@USB Auxiliary audio input~Entertainment and Technology@OnStar Satellite communications~Entertainment and Technology@Voice Guided Directions Satellite communications~Entertainment and Technology@Vehicle Location Smart device app function~Entertainment and Technology@Lock Operation Smart device app function~Entertainment and Technology@GMC Infotainment System Infotainment~Entertainment and Technology@Horn/light Operation Smart device app function~Entertainment and Technology@Maintenance Status Smart device app function~Entertainment and Technology@Roadside Assistance Driver assistance app~Entertainment and Technology@AM/FM Radio~Entertainment and Technology@Radio data system~Entertainment and Technology@Speed sensitive volume control~Entertainment and Technology@Google POIs Connected in-car apps~Entertainment and Technology@Google Search Connected in-car apps~Performance@Trailer brake controller~Performance@Electronic Hi-lo 4WD selector~Performance@Part Time W/ On Demand Setting 4WD~Performance@Rear Locking differential~Performance@4-pin Trailer wiring~Performance@7-pin Trailer wiring~Performance@Off-road Tuned suspension~Performance@Trailer hitch~Performance@Auxiliary oil cooler~Performance@Front Tow hooks~Performance@Heavy Duty Battery~Performance@720 CCA Battery rating~Performance@Independent Front suspension classification~Performance@Upper And Lower Control Arms Front suspension~Performance@Auxiliary transmission fluid cooler~Performance@170 Amps Alternator~Performance@Solid Live Axle Rear suspension classification~Performance@Diameter 35 Mm Front stabilizer bar~Performance@Tow/Haul mode~Performance@Battery saver~Performance@Twin-tube Gas Rear shock~Performance@Twin-tube Gas Front shock~Performance@Tie-down Anchors Pickup bed cargo management