2026 GMC Sierra 2500 HD AT4

A closer look at what’s included

• Engine: Duramax 6.6L Turbo-Diesel V8

  • Capped Fuel Fill
  • 220-Amp Alternator
  • Dual Heavy-Duty 70 Amp Battery
  • Show All Package Items

  • Winter Grille Cover
  • Exhaust Brake
  • Engine Block Heater
  • GVWR: 11,350 lbs
  • 3.42 Axle Ratio
  • Transmission: 10-Speed Automatic
• AT4 Premium Plus Package

  • AT4 Preferred Package
  • Power Sunroof
  • Technology Package
  • Off-Road High Clearance Step
• Technology Package

  • Inside Rearview Auo-Dimming Rear Camera Mirror
  • Multicolor 15" Diagonal Head-Up Display
• AT4 Preferred Package

  • Universal Home Remote
  • Power Sliding Rear Window with Defogger
  • LED Smoked Amber Roof Marker Lamps
• Preferred Equipment Group 4SB

  • Sierra HD Pro Safety
  • Safety Alert Seat
  • Rear Cross Traffic Alert
  • Show All Package Items

  • Trailer Side Blind Zone Alert
  • Wireless Phone Projection
  • Bose Premium 7-Speaker Sound System
  • SiriusXM with 360L Trial Subscription
  • Floor-Mounted Center Console
  • Electric Rear-Window Defogger
  • Push Button Start
  • Remote Vehicle Starter System
  • Keyless Open and Start
  • Front Premium Floor Liners with Removable Carpet Insert
  • Rear Premium Floor Liners with Removable Carpet Insert
  • OnStar Services Capable
  • 120-Volt Instrument Panel Power Outlet
  • 120-Volt Bed Mounted Power Outlet
  • 2 Charge-Only Rear USB Ports
  • 2 USB Ports
  • 2 Charge/Data USB Ports Inside Center Console
  • Spray-on Pickup Bedliner with GMC Logo
  • HD Surround Vision
  • Bed View Camera with Two Trailer Camera Provisions
  • Trailer Cam Provisions and Trailer Viewing Software
  • Heated Driver and Front Outboard Passenger Seats
  • Ventilated Driver and Front Passenger Seats
  • Heated 2nd Row Outboard Seats
  • Deep-Tinted Glass
  • Gloss Black Header Grille and Grille Insert Bars
  • Steering Wheel Audio Controls
  • LED Cargo Area Lighting
  • Manual Tilt-Wheel/Telescoping Steering Column
  • Unauthorized Entry Theft-Deterrent System
  • Power Front Passenger Windows with Express Up/Down
  • Wireless Charging
  • Ultrasonic Front and Rear Park Assist
  • Rear Wheelhouse Liners
  • Front Rain-Sensing Wipers
  • X31 Off-Road Package
  • ProGrade Trailering System
  • Engine: 6.6L V8 with Direct Injection and Variable Valve Timing
  • 2-Speed Active Transfer Case
• Sierra HD Pro Safety

  • Forward Collision Alert
  • Following Distance Indicator
  • Front Pedestrian Braking
  • Show All Package Items

  • IntelliBeam Automatic High Beam on/Off
  • Lane Departure Warning
  • Buckle to Drive
  • Automatic Emergency Braking
• Front Bucket Seats

  • 10-Way Power Driver Seat Adjuster with Lumbar
  • 10-Way Power Passenger Seat Adjuster with Lumbar
  • Driver Memory
• Engine: 6.6L V8 with Direct Injection and Variable Valve Timing

  • Heavy-Duty 80 Amp Battery
  • GVWR: 10,850 lbs
• Tires: LT275/65R20 AT BW

  • LT275/70R18 AT BW Spare Tire
• ProGrade Trailering System

  • Hitch Guidance with Hitch View
  • in-Vehicle Trailering System App
• X31 Off-Road Package

  • Hill Descent Control
  • Skid Plates
  • Off-Road Suspension