2026 GMC Sierra 2500 HD AT4X

Complete vehicle specifications

Vehicle description

Features & options (250)

• Adaptive Cruise Control
• Bluetooth®
• Heated Steering Wheel
• Remote Start
• 4WD/AWD
• Android Auto
• Apple CarPlay
• Leather Seats
• Wi-Fi Hotspot
• 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
• Turbo Charged Engine
• Wi-Fi Hotspot capable
• May require additional optional equipment
• 13.4" diagonal GMC Premium Infotainment System with Google built-in
• Bluetooth® streaming audio for music and select phones
• Wireless Apple CarPlay capability for compatible phones
• Wireless Android Auto capability for compatible phones
• Customize and manage entertainment and vehicle feature setting
• Voice-activated technology for phone
• SiriusXM Trial Subscription
• Place and receive hands-free phone calls
• MultiPro Audio System by Kicker
• Bluetooth® compatibility for wireless playback
• 3.5mm and USB inputs for audio playbacks
• A custom ABS baffle with full gasket sealing
• A weatherproof amplifier hidden in the tailgate
• SiriusXM with 360L Trial Subscription
• Wireless phone projection
• For Apple CarPlay and Android Auto
• IntelliBeam
• GMC MultiPro Tailgate
• Hitch area lighting
• Power lock and release
• Spray-on bedliner
• Includes GMC logo on all trims except PRO
• Cargo tie-downs
• 12-fixed rated at 500 lbs. per corner
• Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
• Side Bed Step
• Black textured step pads help provide secure footing
• Body-color rear bumper
• With integrated CornerSteps
• Smoked Amber LED roof marker lamps
• Roof-mounted lamps near the front of the cab
• LED fog lamps
• Black beltline moldings
• CornerStep rear bumper
• Located at each end of the rear bumper
• Textured step pads to help provide secure footing
• 18" LT305/70R18 MT tires
• Cab-mounted cargo area lamps
• Activated by switch located on center switch bank
• Illuminates the cargo bed area
• Rainsense automatic wipers
• Tailgate with EZ Lift assist, power lock & release
• Black power-retractable assist steps with LED perimeter lighting
• Textured step pads help provide secure footing
• Retracts when not in use
• Deploy Running Board mode for car wash cleaning
• LED perimeter lighting
• Deep-tinted glass
• Provides added protection from sun and glare
• Body-color door handles
• Body-color front bumper
• Cargo bed LED lighting
• Provides light to find cargo in the bed
• Spare tire carrier lock
• Helps keep spare tire secure
• Tailgate and bed rail protection caps
• Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
• Chrome mirror caps
• AT4 and AT4X features high gloss Black mirror caps
• Power folding/extending
• Lower convex mirrors
• Heated upper glass
• Integrated turn signal indicators
• Puddle lamps
• Perimeter lighting
• Auxiliary lighting
• Extends 3.31-inches
• Rear wheelhouse liners
• 18" LT305/70R18 MT spare tire
• Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
• LED taillamps with LED stop lights and animation
• Power sunroof
• Retracts into the roof
• Offers tilt and slide features with express-open and -close
• Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
• High gloss Black mirror caps
• 18" machined aluminum wheel with High Gloss Black accents
• Winter Grille Cover
• Summit White
• Front license plate bracket
• Keyless Open and Start
• Lockout protection helps you avoid locking keys in the vehicle
• Head-Up Display
• Multi-color 15" diagonal Head-Up Display
• Adjustable vertical position and brightness of the display
• Power windows with driver express-up/down
• Ventilated driver and front passenger seats
• Individually controlled
• Cooling feature includes both seatbacks and cushions
• Up-level rear seat with storage package
• 60/40 Full-length folding bench seat
• Seatback storage on left and right side
• Center fold out armrest with 2 cupholders
• Underseat storage (full cab width)
• 120-volt box-mounted power outlet
• 3-prong auxiliary household-style outlet
• Located in the pickup bed
• Wireless Charging
• Uses induction technology for select portable electronic devices
• Convenient charging location
• Front bucket seats
• Power windows with rear express-down
• USB ports
• (2) First row, located on console
• Rear Seat Reminder
• 16-way power passenger seat with power lumbar and massage
• You can always override the feature and take control
• 120-volt power outlet
• Located on the instrument panel
• Leather-wrapped steering wheel
• Soft, supple leather trim adds comfort to your drive
• Rear window defogger
• Steering-wheel mounted controls
• Manual tilt and telescoping steering column
• Assist handles
• Front A-pillar mounted for Driver and Passenger
• Rear B-pillar mounted
• Premium rear floor liners with removable carpet insert
• Seat trim, Full Grain Leather
• Compass
• Located in instrument cluster
• Power door locks
• Outside temperature display
• Located in infotainment display
• 12.3" diagonal color Driver Information Center
• High definition display provides crisp, premium appearance
• Dual-zone automatic climate control
• Allows individual climate settings for both driver and front passenger
• Power windows with driver and front passenger express-up/down
• If obstruction is detected, the anti-pinch feature will auto-reverse
• Power sliding rear window with rear defogger
• Premium front floor liners with removable carpet insert
• Front center console
• Universal Home Remote
• 3-channel programmable
• 16-way power driver seat with power lumbar and massage
• Heated rear outboard seats
• Passengers can manage heat settings with their own controls
• Rear air vents
• Provides cabin comfort for rear occupants
• Theft-deterrent unauthorized entry system
• Helps deter unauthorized entry, helping to protect your vehicle
• Heated driver and front outboard passenger seats
• (2) Data/charge ports located inside center console
• (2) Charge ports located on rear of console
• Driver memory
• Carpeted floor covering
• Color-keyed to match the interior
• Rear Camera Mirror
• The feature also allows brightness, vertical tilt and zoom adjustments
• Obsidian Rush, Full Grain Leather seat trim
• Upfitter switches
• Autotrac 2-speed transfer case with push button controls
• 4-button control 2WD, Auto, 4WD, 4WD LO
• 2WD High for most on-road and highway situations
• Automatically engages 4WD until traction is regained
• 4-wheel antilock disc brakes
• Brake pad wear indicator
• Four wheel drive
• Digital Variable Steering Assist
• Heavy-Duty Air Filter
• Red vertical recovery hooks
• Two front frame-mounted
• Integrated trailer brake controller
• Integrated with the antilock brake system (ABS)
• In-Vehicle Trailering App
• Checklist
• Trailer maintenance reminders
• Trailer security alerts
• Trailer mileage
• Tow/haul reminder
• Trailer electrical diagnostics
• Skid Plates, front aluminum
• Fully boxed frame
• Hydroformed front section
• High-strength steel
• Skid Plates, Transfer case, steel
• Driver-selectable e-locking rear differential
• When activated, locks both rear wheels in unison
• Increase traction in off-road situations
• Off-Road suspension with 1.5" factory installed lift and Multimatic DSSV dampers
• Front suspension kit composed of: Control Arms, Ball Joints, Knuckles
• Gooseneck / 5th Wheel Prep Package
• Hitch platform to accept Gooseneck or 5th wheel hitch
• Box mounted 7-pin trailer harness
• Heavy-duty dual batteries with 1460 cold-cranking amps
• 70 Amp-hr
• Maintenance-free with rundown protection and retained accessory power
• 11,350 lbs. GVWR
• 220-amp alternator
• AT4X Preferred Equipment Group includes standard equipment
• Signature LED Daytime Running Lamps
• LED Daytime Running Lamps
• Following Distance Indicator
• Designed to help you maintain a safe following distance
• OnStar services capable
• Rear Seat Belt Indicator
• Hitch Guidance
• Can help you line up the hitch to your trailer
• Trailering Information Label
• Seat Belt Adjustable Guide Loops
• Front row only
• Rear Cross Traffic Alert
• 6 airbags
• Dual-stage frontal airbags for driver and front outboard passenger
• Head-curtain airbags for outboard seating positions
• Teen Driver
• Front and Rear Park Assist
• These can help you park and avoid collisions
• Trailer Tire Pressure and Temperature Sensors
• Set of 4 sensors
• Additional or replacement sensors are available as GM Accessory
• System is capable of monitoring up to 6 wheels
• Tire Pressure Monitoring System with Tire Fill Alert
• Trailer Side Blind Zone Alert
• Hitch View
• Shows a close-up view of the trailer hitch
• HD Surround Vision
• Can help you park or avoid vehicles and objects
• Safety Alert Seat
• You can also switch to beeping crash avoidance alerts
• OnStar Basics
• Drive confidently with core OnStar services including
• Remote commands
• Built-in voice assistance
• Real-time traffic and navigation

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