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New 2026 GMCSierra 2500 HD AT4

 >  >  > New 2026 GMC Sierra 2500 HD Truck Crew Cab  AT4
    GMC Sierra 2500 HD
    Exterior Color
    Volcanic Red Tintcoat
    Interior Color
    Jet Black
    Body/Seating
    Truck Crew Cab/5 seats
    Transmission
    10-Speed Automatic
    Drivetrain
    4x4
    Engine
    V-8 cyl
    VIN
    1GT4UPEY9TF233860
    Stock Number
    TF233860

    Highlighted Features

    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Premium audio system
    • Wireless phone connectivity
    • Parking sensors
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera right
    • Exterior parking camera rear
    • Front dual zone A/C

    Included Packages & Accessories

    • Gooseneck/5th Wheel Prep Package
    • Hitch Package
    • 7 Speakers
    • AM/FM radio: SiriusXM with 360L
    • Premium audio system: Premium GMC Infotainment System
    • Radio: AM/FM Stereo with Premium GMC Infotainment System
    • Air Conditioning
    • Automatic temperature control
    • Front dual zone A/C
    • Rear window defroster
    • Memory seat
    • Power driver seat
    • Power steering
    • Power windows
    • Remote keyless entry
    • Steering wheel mounted audio controls
    • Speed-sensing steering
    • Traction control
    • 4-Wheel Disc Brakes
    • ABS brakes
    • Dual front impact airbags
    • Dual front side impact airbags
    • Emergency communication system: OnStar
    • Front anti-roll bar
    • Front wheel independent suspension
    • Low tire pressure warning
    • Occupant sensing airbag
    • Overhead airbag
    • Pickup Box
    • Brake assist
    • Electronic Stability Control
    • Lane Departure Warning System
    • Auto High-beam Headlights
    • Delay-off headlights
    • Front fog lights
    • Fully automatic headlights
    • Panic alarm
    • Security system
    • Speed control
    • 220-Amp Alternator
    • Engine Block Heater
    • Exhaust Brake
    • Heavy-Duty 80 Amp Battery
    • Auto-dimming door mirrors
    • Bumpers: body-color
    • Heated door mirrors
    • IntelliBeam Automatic High Beam on/Off
    • Power door mirrors
    • Power-Retractable Black Assist Steps
    • Rear step bumper
    • Turn signal indicator mirrors
    • Winter Grille Cover
    • Apple CarPlay/Android Auto
    • Auto-dimming Rear-View mirror
    • Automatic Emergency Braking
    • Buckle to Drive
    • Compass
    • Driver door bin
    • Driver vanity mirror
    • Following Distance Indicator
    • Forward Collision Alert
    • Front Pedestrian Braking
    • Front reading lights
    • Heated steering wheel
    • Illuminated entry
    • Outside temperature display
    • Overhead console
    • Passenger vanity mirror
    • Rear reading lights
    • Rear seat center armrest
    • Tachometer
    • Telescoping steering wheel
    • Tilt steering wheel
    • Trip computer
    • Voltmeter
    • Front Center Armrest
    • Heated front seats
    • Heated rear seats
    • Perforated Leather-Appointed Front Seat Trim
    • Power passenger seat
    • Split folding rear seat
    • Ventilated front seats
    • Passenger door bin
    • Hitch Guidance with Hitch View
    • in-Vehicle Trailering System App
    • Alloy wheels
    • Wheels: 20" High Gloss Black 8 Spokes Aluminum
    • Rain sensing wipers
    • Variably intermittent wipers
    • AT4 Preferred Package
    • AT4 Premium Plus Package
    • Preferred Equipment Group 4SB
    • Technology Package
    • X31 Off-Road Package
    • Bose Premium 7-Speaker Sound System
    • SiriusXM with 360L Trial Subscription
    • Steering Wheel Audio Controls
    • Electric Rear-Window Defogger
    • 120-Volt Bed Mounted Power Outlet
    • 120-Volt Instrument Panel Power Outlet
    • Driver Memory
    • Push Button Start
    • Remote Vehicle Starter System
    • Universal Home Remote
    • Manual Tilt-Wheel/Telescoping Steering Column
    • Off-Road Suspension
    • Keyless Open and Start
    • Power Sunroof
    • Hill Descent Control
    • Unauthorized Entry Theft-Deterrent System
    • 2-Speed Active Transfer Case
    • Gloss Black Header Grille and Grille Insert Bars
    • LED Cargo Area Lighting
    • LED Smoked Amber Roof Marker Lamps
    • Off-Road High Clearance Step
    • Rear Wheelhouse Liners
    • Spray-on Pickup Bedliner with GMC Logo
    • 2 Charge-Only Rear USB Ports
    • 2 Charge/Data USB Ports Inside Center Console
    • 2 USB Ports
    • Bed View Camera with Two Trailer Camera Provisions
    • Floor-Mounted Center Console
    • Front Premium Floor Liners with Removable Carpet Insert
    • HD Surround Vision
    • Inside Rearview Auo-Dimming Rear Camera Mirror
    • Multicolor 15" Diagonal Head-Up Display
    • OnStar Services Capable
    • Rear Cross Traffic Alert
    • Rear Premium Floor Liners with Removable Carpet Insert
    • Trailer Cam Provisions and Trailer Viewing Software
    • Trailer Side Blind Zone Alert
    • Ultrasonic Front and Rear Park Assist
    • Wireless Charging
    • Wireless Phone Projection
    • 10-Way Power Driver Seat Adjuster with Lumbar
    • 10-Way Power Passenger Seat Adjuster with Lumbar
    • Front Bucket Seats
    • Heated 2nd Row Outboard Seats
    • Heated Driver and Front Outboard Passenger Seats
    • Safety Alert Seat
    • Ventilated Driver and Front Passenger Seats
    • Deep-Tinted Glass
    • Front Rain-Sensing Wipers
    • Power Front Passenger Windows with Express Up/Down
    • Power Sliding Rear Window with Defogger

    Included Packages & Options

    • AT4 Premium Plus Package$4,035
      • AT4 Preferred Package
      • Power Sunroof
      • Technology Package
      • Off-Road High Clearance Step
    • Technology Package$1,340
      • Inside Rearview Auo-Dimming Rear Camera Mirror
      • Multicolor 15" Diagonal Head-Up Display
    • AT4 Preferred Package$405
      • Universal Home Remote
      • Power Sliding Rear Window with Defogger
      • LED Smoked Amber Roof Marker Lamps
    Included Options
    • Gooseneck/5th Wheel Prep Package$545
    • Hitch Package$375
    • 220-Amp Alternator$150
    • Engine Block Heater$100
    • Power-Retractable Black Assist Steps$2,295

    Detailed Specifications

    • 1-touch down
    • 1-touch up
    • Adaptive Cruise Control
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Emergency communication system: OnStar
    • Front beverage holders
    • Front dual zone A/C
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power windows
    • Proximity key: doors and push button start
    • Rear beverage holders
    • Rear door bins
    • Remote engine start
    • Remote keyless entry
    • Speed control
    • Surround View Monitor: HD Surround Vision w/Hitch View yes
    • Telescoping steering wheel
    • Tilt steering wheel
    • Alloy wheels
    • Front anti-roll bar
    • Front wheel independent suspension
    • Power steering
    • Single rear wheels
    • Speed-sensing steering
    • Tires: all-terrain
    • 1st row LCD monitors: 2
    • Premium audio system: Premium GMC Infotainment System
    • Primary LCD size: 13.4"
    • Smart device integration: Apple CarPlay/Android Auto
    • Speaker type: Bose
    • Speakers: 7
    • Steering wheel mounted audio controls
    • Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
    • Wireless Phone Charger: front
    • Wireless phone connectivity: Bluetooth
    • Basic warranty: 36 months/36,000miles
    • Corrosion perforation warranty: 72 months/100,000miles
    • Maintenance warranty: 12 months/ unlimited distance
    • Front center armrest
    • Front seats: bucket
    • Heated front seats
    • Heated rear seats
    • Leather upholstery
    • Max seating capacity: 5
    • Power 2-way driver lumbar support
    • Power 2-way passenger lumbar support
    • Power driver seat
    • Power passenger seat
    • Rear seat center armrest
    • Rear seats: split-bench
    • Rear seats Folding position: fold-up cushion
    • Seat Upholstery: leather
    • Split folding rear seat
    • Ventilated front seats
    • Cylinder configuration: V-8
    • Drive type: four-wheel
    • Engine liters: 6.6L
    • Engine location: front
    • Fuel tank capacity: 36.0gal.
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Transmission: 10 speed automatic
    • Variable valve control
    • Ground clearance (min): 257mm (10.1")
    • Auto-dimming door mirrors
    • Bedliner
    • Bumpers: body-color
    • Heated door mirrors
    • Hitch Class: IV
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear cargo: tailgate
    • Rear step bumper
    • Right rear passenger: conventional
    • Skid plates
    • Trailer hitch
    • Trailer sway control
    • Turn signal indicator mirrors
    • Engine displacement: 6.6 L
    • Exterior body width: 2,079mm (81.8")
    • Exterior height: 2,027mm (79.8")
    • Exterior length: 6,369mm (250.8")
    • Front hiproom: 1,554mm (61.2")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,677mm (66.0")
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,530mm (60.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,659mm (65.3")
    • Turning radius: 8.0m (26.3')
    • Wheelbase: 4,039mm (159.0")
    • Appearance: digital/analog
    • Auto high-beam headlights
    • Blind spot: Trailer Side Blind Zone Alert warning
    • Compass
    • Configurable
    • Delay-off headlights
    • Exterior parking camera cargo
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
    • Exterior parking camera right
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • Lane departure: Lane Departure Warning warning
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Parking sensors: UltraSonic front and rear
    • Rain sensing wipers
    • Rear reading lights
    • Rear window defroster
    • Tachometer
    • Trip computer
    • Variably intermittent wipers
    • Voltmeter
    • 4 wheel disc brakes
    • ABS brakes
    • Brake assist
    • Dual front impact airbags
    • Dual front side impact airbags
    • Electronic stability
    • Forward collision: Forward Collision Alert with Automatic Braking mitigation
    • Front pedestrian detection: prevention
    • Ignition disable
    • Occupant sensing airbag
    • Overhead airbag
    • Panic alarm
    • Perimeter/approach lights
    • Rear collision: Rear Cross-Traffic Alert warning
    • Security system
    • Traction control

    Standard Features

    • AT4 Preferred Package
    • Power Sunroof
    • Technology Package
    • Off-Road High Clearance Step
    • Inside Rearview Auo-Dimming Rear Camera Mirror
    • Multicolor 15" Diagonal Head-Up Display
    • Universal Home Remote
    • Power Sliding Rear Window with Defogger
    • LED Smoked Amber Roof Marker Lamps
    • Safety Alert Seat
    • Rear Cross Traffic Alert
    • 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
    • 2-Speed Active Transfer Case
    • 10-Way Power Driver Seat Adjuster with Lumbar
    • 10-Way Power Passenger Seat Adjuster with Lumbar
    • Driver Memory
    • Hill Descent Control
    • Off-Road Suspension

    Dealer Notes

    Welcome to Confidence Chevrolet Buick GMC, a Cavender Auto Family dealership. This vehicle is located at 6100 Tinker Diagonal, Midwest City, OK 73110. Here at Cavender, we build relationships based on trust and integrity to exceed your expectations in your ownership experience. Quite simply, we strive to Make Confidence Happen! So stop by and allow us to serve your automotive needs; we would love to meet you.

    Introducing the 2026 GMC Sierra 2500HD AT4, a rugged and capable off-road pickup that's ready to take on any challenge. Powered by the legendary Duramax 6.6L V8 Turbodiesel engine, this Sierra 2500HD AT4 delivers an impressive 470 horsepower and a staggering 975 lb-ft of torque, ensuring you have the power to tow, haul, and conquer even the most demanding terrain.

    - Duramax 6.6L V8 Turbodiesel Engine
    - 10-Speed Automatic Transmission
    - 4-Wheel Drive
    - Bose Premium 7-Speaker Sound System
    - Wireless Charging
    - Trailer Cam Provisions and Trailer Viewing Software
    - Hitch Guidance with Hitch View
    - In-Vehicle Trailering System App
    - Power Sunroof
    - Heated and Ventilated Front Seats
    - Heated Rear Outboard Seats
    - 10-Way Power Driver and Passenger Seats with Lumbar Support
    - Perforated Leather-Appointed Seating

    This Sierra 2500HD AT4 is more than just a powerful workhorse; it's also packed with premium features and advanced technology to keep you comfortable, connected, and in control. The Bose premium sound system delivers exceptional audio quality, while the wireless charging pad and USB ports ensure your devices are always powered up and ready to go.

    Towing and hauling are a breeze with the Sierra 2500HD AT4's impressive capabilities. The in-vehicle trailering system app and hitch guidance with hitch view make connecting and maneuvering trailers a seamless experience. And with the X31 Off-Road Package, you'll have the confidence to tackle any terrain, thanks to features like hill descent control, off-road suspension, and more.

    Step inside the Sierra 2500HD AT4, and you'll be surrounded by premium comfort and convenience. The heated and ventilated front seats, along with the heated rear outboard seats, ensure everyone stays cozy, even in the harshest weather. The power-adjustable driver and passenger seats with lumbar support provide exceptional support and customization, while the perforated leather-appointed seating adds a touch of luxury.

    Whether you're tackling tough jobs or embarking on epic adventures, the 2026 GMC Sierra 2500HD AT4 is the perfect companion. With its uncompromising capability, premium features, and advanced technology, this truck is ready to take on any challenge. Visit Confidence Chevrolet Buick GMC today and experience the power and versatility of the Sierra 2500HD AT4 for yourself. Price includes: $1000 - Purchase Allowance. Exp. 06/01/2026

    KBB.com Consumer Reviews

    Kelley Blue Book - KBB.com
    Overall0.0Out of 5
      Privacy
      *New vehicle MSRP/TSRP includes delivery, processing, and handling fees. Pricing may vary based on factory trim levels and options. See Dealer for in-stock inventory and actual selling price. Prices may be different outside of each advertised period and do not necessarily reflect cash price at any other time. Inventory is subject to prior sale. New vehicles are equipped with the following: Custom window tint valued at $399, paint protection film valued at $448 and diamond ceramic exterior protection valued at $148, and include a $599 processing fee. Owner's manual, second key or floor mats may not be available on all pre-owned vehicles. Pre-owned vehicle prices include a $599 processing fee. All prices plus applicable government taxes, title & license fees, and with approved credit where applicable. While every reasonable effort is made to ensure the accuracy of this data, we are not responsible for typographical, technical, or misprint errors contained on these pages. Physically verify trim level and equipment before making purchase decision. Please contact us directly via phone or email, or visit in-person, to verify all information. **All images used are for illustrative purposes only**
      MSRP
      $91,085
      Confidence Appearance Package & Processing Fee
      $90,085
      Dealer Discount
      -$90,085
      Confidence Price
      $91,085
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