2026 GMC Sierra 1500 AT4

Complete vehicle specifications

Vehicle description

Features & options (155)

• Basic
• Corrosion
• Maintenance
• Roadside Assistance
• Max seating capacity
• Fuel System
• Fuel tank capacity
• Horsepower
• Towing capacity
• 13.4" diagonal GMC Premium Infotainment System with Google built-in
• Bluetooth
• Bose Premium Sound System
• SiriusXM with 360L Trial Subscription
• Steering-wheel mounted controls
• Wi-Fi Hotspot capable
• Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones
• 17" 265/70R17SL all-season, blackwall spare tire
• 17" full-size spare steel wheel with Black finish
• 18" LT275/65R18C MT Goodyear Wrangler Territory blackwall tires
• 18" machined aluminum wheels with dark accents
• Black mirror caps
• Body color wheel arch moldings
• Body-color door handles
• Body-color front bumper
• Body-color rear bumper
• Cab-mounted cargo area lamps
• Cargo bed LED lighting
• CornerStep rear bumper
• Deep-tinted glass
• GMC MultiPro Tailgate
• Heated, power, driver-side auto-dimming, power-folding outside mirrors
• IntelliBeam
• LED fog lamps
• LED projectors with Fade-on/ Fade-off animation, LED turn signals and Daytime Running Lamps
• Off-Road Black assist steps
• Perimeter Lighting
• Power sliding rear window with rear defogger
• Power sunroof
• Rainsense automatic wipers
• Rear wheelhouse liners
• Spare tire carrier lock
• Spray-on bedliner
• Tailgate and bed rail protection caps
• Tailgate with EZ Lift assist, power lock & release
• 10-way power driver seat with power lumbar
• 10-way power front passenger seat
• 12.3" diagonal color Driver Information Center
• 120-volt box-mounted power outlet
• 120-volt power outlet
• 13.4" diagonal multicolor reconfigurable Infotainment screen
• 3 Years SiriusXM
• Adaptive Cruise Control
• All-weather floor liners with AT4 logo
• Assist handles
• Carpeted floor covering
• Compass
• Driver memory
• Dual-zone automatic climate control
• Front bucket seats
• Front center console
• Head-Up Display
• Heated driver and front outboard passenger seats
• Heated rear outboard seats
• Heated steering wheel
• In-Vehicle Trailering App
• Keyless Open and Start
• Outside temperature display
• Power door locks
• Power tilt and telescoping steering column
• Power windows
• Power windows with rear express-down
• Premium front floor liners with removable carpet insert
• Premium rear floor liners with removable carpet insert
• Rear Camera Mirror
• Rear air vents
• Rear window defogger
• Remote Start
• Theft-deterrent unauthorized entry system
• USB ports
• Universal Home Remote
• Up-level rear seat with storage package
• Ventilated driver and front passenger seats
• Wireless Charging
• Wrapped steering wheel
• 10-speed automatic transmission with Electronic Precision shift and front bucket seats
• 2-speed Autotrac Transfer Case
• 220-amp alternator
• 3.0L Duramax Turbo Diesel engine
• 3.23 rear axle ratio
• 4-wheel antilock disc brakes
• 7,200 lbs. GVWR
• Aluminized stainless-steel muffler and tailpipe
• Automatic Stop/Start
• Automatic locking rear differential
• Brake pad wear indicator
• Capless fuel fill
• Cargo tie-downs (12)
• Dual-outlet exhaust
• Electric Power Steering
• Electronic Transmission Range Selector
• Engine block heater
• Fully boxed frame
• Heavy-Duty Air Filter
• Heavy-duty 850 cold-cranking amps battery
• Hill Descent Control
• Integrated trailer brake controller
• Off-Road, 2-inch factory-installed lift
• Pickup bed
• Push Button Start
• Red vertical recovery hooks
• Skid plates
• LED Daytime Running Lamps
• 6 airbags
• Automatic Emergency Braking
• Bed View Camera
• Buckle to Drive
• Following Distance Indicator
• Forward Collision Alert
• Front and Rear Park Assist
• HD Surround Vision
• Hitch Guidance
• Hitch View
• Inside/Rear Trailer Camera Input
• Lane Keep Assist with Lane Departure Warning
• OnStar Basics
• OnStar services capable
• Rear Cross Traffic Braking
• Rear Pedestrian Alert
• Rear Seat Belt Indicator
• Rear Seat Reminder
• Safety Alert Seat
• Seat Belt Adjustable Guide Loops
• Tire Pressure Monitoring System with Tire Fill Alert
• Trailer Side Blind Zone Alert
• Front Pedestrian Braking
• StabiliTrak, electronic stability control system with traction control
• AT4 Preferred Package:
• Rear sliding power window
• AT4 Premium Package:
• Off-Road High Clearance steps
• GMC Pro Safety:
• Safety Alert Seat on AT4, AT4X, Denali and Denali Ultimate
• Technology Package:
• Multi-color 15" Diagonal Head-Up Display
• Bed View Camera on AT4
• May require additional optional equipment
• Trailering Package:
• Trailer hitch
• Trailering hitch platform
• Includes a 2" receiver hitch, 4-pin and 7-pin connectors
• AT4 Preferred Package
• AT4 Premium Package
• GMC Pro Safety
• Technology Package
• Trailering Package

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