Dealer
Contacts
For the least amount of hassle with the purchase of a vehicle, we recommend that you speak only with the above-listed credit union Dealer Representative(s).
Seller’s Comments
Elevate your driving experience with the 2026 GMC Sierra 2500HD AT4, a true powerhouse that blends uncompromising capability with refined sophistication. This impressive heavy-duty pickup is engineered to tackle any challenge, whether you're navigating rugged terrain or taking on your toughest jobs.
At the heart of this Sierra 2500HD AT4 lies the mighty Duramax 6.6L V8 Turbodiesel engine, delivering an exceptional 470 horsepower and an astounding 975 lb-ft of torque. Paired with a robust
0-speed automatic transmission and a capable 4WD system, this truck is ready to conquer any task with ease.
- 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)
Designed to elevate your driving experience, the Sierra 2500HD AT4 is packed with a wealth of premium features that cater to your every need. Indulge in the Bose Premium 7-Speaker Sound System, which delivers an immersive audio experience, and enjoy the convenience of wireless charging and wireless phone projection. Stay connected and entertained with the advanced GMC Infotainment System, complete with SiriusXM with 360L Trial Subscription.
For those who seek a more rugged and capable ride, the Sierra 2500HD AT4 is equipped with the X31 Off-Road Package, featuring hill descent control and an off-road suspension for tackling the toughest terrain. The 20-inch high-gloss black aluminum wheels and the spray-on bedliner with the GMC logo add a touch of distinctive style to this impressive truck.
Step into the cabin and experience the epitome of comfort and convenience. The perforated leather-appointed front seats, with both heating and ventilation, ensure you and your passengers stay cozy and cool, no matter the weather. The heated steering wheel and the heated rear outboard seats further enhance the luxurious experience.
Safety is paramount, and the Sierra 2500HD AT4 delivers with a comprehensive suite of advanced driver assistance technologies. From forward collision alert and automatic emergency braking to lane departure warning and rear cross-traffic alert, this truck is equipped to keep you and your loved ones secure on the road.
Whether you're tackling demanding job sites, navigating rugged off-road adventures, or simply seeking a capable and refined daily driver, the 2026 GMC Sierra 2500HD AT4 is the ultimate choice. Experience the power, the technology, and the uncompromising quality that make this truck a true standout in the heavy-duty segment. Visit our showroom today and let us demonstrate why the Sierra 2500HD AT4 is the perfect fit for your lifestyle. Price includes all applicable rebates:$1000 - Buick & GMC Consumer Cash Program. Exp. 06/01/2026
Summary
-
Miles
2 -
Ext. Color
Black -
Int. Color
Jet Black With Kalahari Accents -
Engine
Duramax 6.6L V8 Turbodiesel -
Transmission
Automatic -
Trim
AT4 -
Drivetrain
4WD -
City MPG
0 -
Highway MPG
0 -
VIN
1GT4UPEY9TF271055 -
Stock #
TF271055
Features
Options
- X31 Off-Road Package
- 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
- 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
- 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
- Bumpers: body-color
- Gloss Black Header Grille and Grille Insert Bars
- Heated door mirrors
- IntelliBeam Automatic High Beam on/Off
- LED Cargo Area Lighting
- 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
- 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
- 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
- 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
- Rain sensing wipers
- Variably intermittent wipers
- 3.73 Rear Axle Ratio
Location
Big Star Buick GMC
4411 East FwyBaytown, TX 77521
