New 2026 GMC Sierra 2500HD AT4X 4WD

• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
• Rear axle 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
• GVWR 11025 lbs. (5001 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
• Differential driver-selectable full-locking rear e-locking
• 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.)
• Skid Plates front aluminum
• Skid Plates Transfer case steel
• Frame fully-boxed hydroformed front section and a fully-boxed stamped rear section
• Suspension Off-Road Includes 1.5 suspension lift: front suspension lift composed of: Control Arms Ball Joints Knuckles DSSV Dampers rear suspension lift composed of spacer block and DSSV Dampers and Half shafts w/ revised joints 3-stage Leaf springs from 3500
• 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
• Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
• Tires LT305/70R18-126/123R 35 M/T
• Tire spare LT305/70R18-126/123R 35 M/T
• Wheel Spare 18 (50.8 cm)
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Sunroof power
• Bumper front body-color lower (Bumper color will be High Gloss Black.)
• Bumper rear body-color with bumper CornerSteps (Bumper color will be High Gloss Black.)
• 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 (SQE) (TCE) or (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 (Not available with (ULV) AT4X AEV Edition.)
• 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 Dark Nickel inserts.)
• 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
• Lamps Smoked Amber roof marker (LED) (Not available with (YF5) California state emissions requirements.)
• 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 (With (ULV) AT4X AEV Edition door handles will be Gloss black.)
• 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
• 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)
• 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 leather-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
• Multicolor 15 Diagonal Head-Up 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
• ADAPTIVE CRUISE CONTROL
• Universal Home Remote
• 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
• 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
• Tire Pressure Monitoring System auto learn includes Tire Fill Alert (does not apply to spare tire)
• 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
• Trailering Information Label provides max trailer ratings for tongue weight conventional gooseneck and 5th wheel trailering

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