2026 GMC Sierra 2500 HD AT4

Complete vehicle specifications

Vehicle description

Features & options (120)

• Adaptive Cruise Control
• Bluetooth®
• Heated Steering Wheel
• Remote Start
• 4WD/AWD
• Android Auto
• Apple CarPlay
• Keyless Ignition System
• 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
• SiriusXM Trial Subscription
• Wi-Fi Hotspot capable
• May require additional optional equipment
• Wireless phone projection
• For Apple CarPlay and Android Auto
• 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 with 360L Trial Subscription
• Place and receive hands-free phone calls
• Side Bed Step
• Black textured step pads help provide secure footing
• Cargo bed LED lighting
• Provides light to find cargo in the bed
• Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
• Deep-tinted glass
• Provides added protection from sun and glare
• Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
• Body-color door handles
• Rainsense automatic wipers
• Spray-on bedliner
• Includes GMC logo on all trims except PRO
• 20" high gloss Black aluminum wheels
• 18" LT275/70R18 all-terrain, blackwall spare tire
• Black beltline moldings
• Cab-mounted cargo area lamps
• Activated by switch located on center switch bank
• Illuminates the cargo bed area
• Spare tire carrier lock
• Helps keep spare tire secure
• High gloss Black mirror 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
• 20" LT275/65R20 all-terrain, blackwall tires
• Body-color front bumper
• IntelliBeam
• Cargo tie-downs
• 12-fixed rated at 500 lbs. per corner
• Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
• LED taillamps with LED stop lights and animation
• Rear wheelhouse liners
• Tailgate with EZ Lift assist, power lock & release
• Hitch area lighting
• Tailgate and bed rail protection caps
• GMC MultiPro Tailgate
• Power lock and release
• CornerStep rear bumper
• Located at each end of the rear bumper
• Textured step pads to help provide secure footing
• LED fog lamps
• Body-color rear bumper
• With integrated CornerSteps
• Off-Road High Clearance Steps
• Textured step pads help provide secure footing
• Power sunroof
• Retracts into the roof
• Offers tilt and slide features with express-open and -close
• Smoked Amber LED roof marker lamps
• Roof-mounted lamps near the front of the cab
• Onyx Black
• Carpeted floor covering
• Color-keyed to match the interior
• Keyless Open and Start
• Lockout protection helps you avoid locking keys in the vehicle
• Power door locks
• 10-way power driver seat with power lumbar
• Includes 8-way power driver seat
• Includes a 2-way power lumbar control
• Premium front floor liners with removable carpet insert
• Rear air vents
• Provides cabin comfort for rear occupants
• You can always override the feature and take control
• 120-volt power outlet
• 3-prong auxiliary household-style outlet
• Located on the instrument panel
• Rear Seat Reminder
• Ventilated driver and front passenger seats
• Individually controlled
• Cooling feature includes both seatbacks and cushions
• Driver memory
• Power windows with driver and front passenger express-up/down
• If obstruction is detected, the anti-pinch feature will auto-reverse
• Theft-deterrent unauthorized entry system
• Helps deter unauthorized entry, helping to protect your vehicle

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