New 2026 GMC Sierra 2500HD AT4 4WD
- VIN: 1GT4UPEY5TF333633
- Stock: 3633G
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Basic Info
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Exterior:Beige
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Drivetrain:4WD
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Interior:Jet Black With Kalahari Accents
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Transmission:10-Speed Automatic
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Engine:Duramax 6.6L V8 Turbodiesel
Key Features
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AWD
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Android Auto
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Apple CarPlay
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Backup Camera
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Fog Lights
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Heated Seats
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Keyless Entry
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Lane Departure Warning
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Leather Seats
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Memory Seats
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Parking Sensors / Assist
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Power Seats
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Premium Audio
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Premium Plus Package
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Push Start
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Rain Sensing Wipers
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Sunroof / Moonroof
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Technology Package
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Tow Package
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Wireless Phone Charging
Description
Engineered to conquer the toughest terrain, the 2026 GMC Sierra 2500HD AT4 is a true off-road champion. Equipped with a powerful Duramax 6.6L V8 Turbodiesel engine, this heavy-duty pickup delivers an unmatched blend of capability and performance.
- 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (Includes (K05) Engine Block Heater) (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm)
- 10-Speed Automatic Transmission
- 4-Wheel Drive
Designed for adventure, the Sierra 2500HD AT4 is equipped with an impressive array of off-road features, including the X31 Off-Road Package, Hill Descent Control, and Off-Road High Clearance Steps. Elevate your driving experience with the Preferred Equipment Group 4SB, Technology Package, and AT4 Premium Plus Package, which add premium audio, advanced safety technologies, and luxurious interior appointments.
The Sierra 2500HD AT4 also boasts a wealth of convenience and connectivity features, such as Wireless Charging, Apple CarPlay/Android Auto, and a Multicolor 15" Diagonal Head-Up Display. Stay informed and entertained on every journey with the Premium GMC Infotainment System and Bose Premium 7-Speaker Sound System.
Designed for both work and play, the Sierra 2500HD AT4 offers unparalleled capability, comfort, and style. Experience the difference with a test drive today.
"Why buy from Greg Lair GMC?" It's a great question with an even better answer! We've been a local fixture in the Panhandle for over 40 years, putting customers from Amarillo and the Panhandle first every single day. We set ourselves apart as the home of the FREE Lifetime Powertrain Warranty on all inventory under 100,000 miles. From our hassle-free buying process to our thorough multi-point inspections by Certified GM Technicians, we make sure your next vehicle is safe, reliable, and ready for the road. Stop by today and see the Greg Lair difference for yourself!
- 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (Includes (K05) Engine Block Heater) (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm)
- 10-Speed Automatic Transmission
- 4-Wheel Drive
Designed for adventure, the Sierra 2500HD AT4 is equipped with an impressive array of off-road features, including the X31 Off-Road Package, Hill Descent Control, and Off-Road High Clearance Steps. Elevate your driving experience with the Preferred Equipment Group 4SB, Technology Package, and AT4 Premium Plus Package, which add premium audio, advanced safety technologies, and luxurious interior appointments.
The Sierra 2500HD AT4 also boasts a wealth of convenience and connectivity features, such as Wireless Charging, Apple CarPlay/Android Auto, and a Multicolor 15" Diagonal Head-Up Display. Stay informed and entertained on every journey with the Premium GMC Infotainment System and Bose Premium 7-Speaker Sound System.
Designed for both work and play, the Sierra 2500HD AT4 offers unparalleled capability, comfort, and style. Experience the difference with a test drive today.
"Why buy from Greg Lair GMC?" It's a great question with an even better answer! We've been a local fixture in the Panhandle for over 40 years, putting customers from Amarillo and the Panhandle first every single day. We set ourselves apart as the home of the FREE Lifetime Powertrain Warranty on all inventory under 100,000 miles. From our hassle-free buying process to our thorough multi-point inspections by Certified GM Technicians, we make sure your next vehicle is safe, reliable, and ready for the road. Stop by today and see the Greg Lair difference for yourself!
Vehicle Details
Details
- AT4 Preferred Package
- AT4 Premium Plus Package
- Gooseneck/5th Wheel Prep Package
- Hitch Package
- Preferred Equipment Group 4SB
- Technology Package
- X31 Off-Road Package
- 3 Years SiriusXM
- 7 Speakers
- AM/FM radio: SiriusXM with 360L
- Bose Premium 7-Speaker Sound System
- Premium audio system: Premium GMC Infotainment System
- Radio: AM/FM Stereo with Premium GMC Infotainment System
- SiriusXM with 360L Trial Subscription
- Steering Wheel Audio Controls
- Air Conditioning
- Automatic temperature control
- Electric Rear-Window Defogger
- Front dual zone A/C
- Rear window defroster
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- Memory seat
- Power driver seat
- Power steering
- Power windows
- Push Button Start
- Remote keyless entry
- Remote Vehicle Starter System
- Steering wheel mounted audio controls
- Universal Home Remote
- Manual Tilt-Wheel/Telescoping Steering Column
- Off-Road Suspension
- 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
- Keyless Open and Start
- Low tire pressure warning
- Occupant sensing airbag
- Overhead airbag
- Power Sunroof
- Pickup Box
- Brake assist
- Electronic Stability Control
- Lane Departure Warning System
- Hill Descent Control
- Auto High-beam Headlights
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Panic alarm
- Security system
- Unauthorized Entry Theft-Deterrent System
- Speed control
- 2-Speed Active Transfer Case
- 220-Amp Alternator
- Engine Block Heater
- Exhaust Brake
- Heavy-Duty 80 Amp Battery
- High Idle Switch
- Auto-dimming door mirrors
- Body Color Wheel Arch Moldings
- Bumpers: body-color
- Front License Plate Kit
- Gloss Black Header Grille and Grille Insert Bars
- Heated door mirrors
- IntelliBeam Automatic High Beam on/Off
- LED Cargo Area Lighting
- LED Smoked Amber Roof Marker Lamps
- Off-Road High Clearance Step
- Power door mirrors
- Power-Retractable Black Assist Steps
- Rear step bumper
- Rear Wheelhouse Liners
- Spray-on Pickup Bedliner with GMC Logo
- Turn signal indicator mirrors
- Winter Grille Cover
- 2 Charge-Only Rear USB Ports
- 2 Charge/Data USB Ports Inside Center Console
- 2 USB Ports
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Automatic Emergency Braking
- Bed View Camera with Two Trailer Camera Provisions
- Buckle to Drive
- Compass
- Driver door bin
- Driver vanity mirror
- Floor-Mounted Center Console
- Following Distance Indicator
- Forward Collision Alert
- Front Pedestrian Braking
- Front Premium Floor Liners with Removable Carpet Insert
- Front reading lights
- HD Surround Vision
- Heated steering wheel
- Illuminated entry
- Inside Rearview Auo-Dimming Rear Camera Mirror
- Multicolor 15" Diagonal Head-Up Display
- OnStar Services Capable
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear Cross Traffic Alert
- Rear Premium Floor Liners with Removable Carpet Insert
- Rear reading lights
- Rear seat center armrest
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trailer Cam Provisions and Trailer Viewing Software
- Trailer Side Blind Zone Alert
- Trip computer
- Ultrasonic Front and Rear Park Assist
- Upfitter Switch Kit (5)
- Voltmeter
- Wireless Charging
- Wireless Phone Projection
- 10-Way Power Driver Seat Adjuster with Lumbar
- 10-Way Power Passenger Seat Adjuster with Lumbar
- Front Bucket Seats
- Front Center Armrest
- Heated 2nd Row Outboard Seats
- Heated Driver and Front Outboard Passenger Seats
- Heated front seats
- Heated rear seats
- Perforated Leather-Appointed Front Seat Trim
- Power passenger seat
- Safety Alert Seat
- Split folding rear seat
- Ventilated Driver and Front Passenger Seats
- 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
- Deep-Tinted Glass
- Front Rain-Sensing Wipers
- Power Front Passenger Windows with Express Up/Down
- Power Sliding Rear Window with Defogger
- Rain sensing wipers
- Variably intermittent wipers
- Clean Carfax
- One Owner
- Local Trade
- Non-Smoker
- Heated / Cooled Leather Seats
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**With approved credit. Terms may vary. Monthly payments are only estimates derived from the vehicle price with a 72 month term, 4.9% interest and 20% downpayment.