
2026 GMC Sierra 2500HD
Mileage: 7 · Castle Rock, CO
2026 GMC Sierra 2500HD AT4X Crew Cab 4WD
Castle Rock, CO
$91,698
MSRP
Dealer rating
Request information
Features
Mileage
7
Drivetrain
Four-Wheel Drive
Exterior color
Coastal Dune
Interior color
Black (Obsidian Rush)
Transmission
Automatic
Alloy wheels
Backup camera
Heated seats
Finance in advance
Overview
- Make:GMC
- Model:Sierra 2500HD
- Year:2026
- Trim:AT4X
- Body type:Pickup Truck
- Exterior color:Coastal Dune
- Interior color:Black (Obsidian Rush)
- Mileage:7 mi
- Condition:New
- VIN:1GT4UZEY1TF276424
- Stock number:TF276424
Fuel economy
- Fuel tank size:35 gal
Performance
- Transmission:Automatic
- Drivetrain:Four-Wheel Drive
Safety
- ABS Brakes
- Backup Camera
- Blind Spot Monitoring
- Curtain Airbags
- Driver Airbag
- Front Side Airbags
- Parking Sensors
- Passenger Airbag
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:82 in
History
Clean title
No issues reported.
0 accidents reported
No accidents or damage reported.
Pricing

Price decreased
28 days at this dealership
Dealer

Dealer reviews
Dealer's description
Experience the pinnacle of rugged capability and refined luxury in the 2026 GMC Sierra 2500HD AT4X. This exceptional heavy-duty pickup is engineered to conquer any terrain while delivering an unparalleled driving experience. - 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) - Bose Premium Series 12-Speaker System - Premium GMC Infotainment System - Heads-Up Display - Ventilated Driver and Front Passenger Seats - Power Sunroof - Trailer Tire Pressure Monitor Sensors - Hitch Guidance with Hitch View - in-Vehicle Trailering System App Boasting a commanding presence in Beige, this Sierra 2500HD AT4X is equipped with the legendary Duramax 6.6L V8 Turbodiesel engine, delivering unrivaled power and efficiency. The 10-speed automatic transmission and 4-wheel drive system provide seamless control, whether navigating rugged off-road terrain or tackling heavy-duty towing and hauling tasks. Inside, the Sierra 2500HD AT4X surrounds you in unparalleled comfort and technology. The Bose Premium Series audio system and premium GMC Infotainment System keep you connected and entertained, while the Heads-Up Display projects critical driving information directly into your line of sight. Ventilated front seats and a power sunroof add an extra touch of luxury, ensuring every journey is a pleasure. For those with an adventurous spirit, the Sierra 2500HD AT4X is the ultimate companion. The off-road-tuned suspension, heavy-duty 80 Amp battery, and advanced trailering features make this truck a true workhorse. The Hitch Guidance with Hitch View and in-Vehicle Trailering System App take the guesswork out of hitching and towing, giving you the confidence to tackle any task. Blending uncompromising capability with refined sophistication, the 2026 GMC Sierra 2500HD AT4X is the perfect choice for those who demand the best. Experience the power, comfort, and versatility that set this exceptional truck apart. Visit our showroom today to explore this remarkable vehicle and discover how it can elevate your driving experience. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 06/01/2026 $500 - GM Military Cash Allowance Program. Exp. 01/04/2027
Additional Information
12 Speakers,AM/FM radio: SiriusXM with 360L,Bose Premium Series 12-Speaker 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,Heads-Up Display,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 moonroof,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,Heavy-Duty 80 Amp Battery,Auto-dimming door mirrors,Gloss Black Door Handles,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,Power door mirrors,Rear step bumper,Rear Wheelhouse Liners,Spray-on Pickup Bedliner with GMC Logo,Turn signal indicator mirrors,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,Garage door transmitter,HD Surround Vision,Heated steering wheel,Illuminated entry,Inside Rearview Auo-Dimming Rear Camera Mirror,Leather steering wheel,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,Voltmeter,Wireless Charging,Wireless Phone Projection,16-Way Power Driver Seat Adjuster with Lumbar,16-Way Power Passenger Seat Adjuster with Lumbar,Front Bucket Seats,Front Center Armrest,Full Grain Leather Seat Trim,Heated 2nd Row Outboard Seats,Heated Driver and Front Outboard Passenger Seats,Heated front seats,Heated rear seats,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,Trailer Tire Pressure Monitor Sensors,Alloy wheels,Wheels: 18" Machined Aluminum with High Gloss Black Accents,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,3.73 Rear Axle Ratio
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