2026 GMC Sierra 2500 HD AT4

Complete vehicle specifications

Vehicle description

Features & options (135)

• Adaptive Cruise Control
• Bluetooth®
• Heated Steering Wheel
• Remote Start
• 4WD/AWD
• Android Auto
• Apple CarPlay
• Leather Seats
• Wi-Fi Hotspot
• Auto Dimming Mirror
• Emergency Brake Assist
• Lane Departure Warning
• Sunroof/Moonroof
• Wireless Phone Charging
• Blind Spot Monitor
• Forward Collision Warning
• Navigation System
• Parking Assistance
• Rear View Camera
• Tow Hitch/Tow Package
• Automatic Climate Control
• Entertainment System
• Premium Sound System
• X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
• Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
• 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
• 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
• 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
• 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
• Mirror caps, high gloss Black
• Glass, deep-tinted
• Wipers, front rain-sensing
• Door handles, body-color
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
• Tailgate and bed rail protection caps, top
• SiriusXM Trial Subscription
• 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 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
• 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.)
• Daytime Running Lamps, LED signature lighting
• LED Signature DRL's
• OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
• Front and Rear Park Assist, ultrasonic
• 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
• Safety Alert Seat
• 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
• DriveType: Four Wheel Drive
• Fuel System: Direct Injection
• Fuel Tank Capacity: 36 gal
• Fuel Type: Gasoline Fuel
• Horse Power: 401
• Rear Wheel: Single
• Trailering Capacity: 16000 lbs

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.