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
Come see why driving a Buick isn't just transportation—it's an upgrade to everything you expect on the road.
This 2026 GMC Sierra 2500HD AT4 delivers uncompromising capability and premium features that elevate your driving experience. Equipped with a powerful Duramax 6.6L V8 Turbodiesel engine and a 10-speed automatic transmission, this Sierra AT4 is engineered to conquer any terrain with ease.
- Power-retractable black assist steps with LED lighting
- Engine block heater
- 2
0-amp alternator
- Gooseneck/5th wheel prep package
- AT4 Premium Plus Package with power sunroof, technology package, and high clearance step
Step inside and you'll be surrounded by thoughtful amenities that make every journey more comfortable and connected. Enjoy the premium Bose audio system, wireless charging, and a 15-inch head-up display that puts vital information right in your line of sight.
This Sierra AT4 also comes loaded with advanced safety technologies, including forward collision alert, automatic emergency braking, lane departure warning, and surround vision cameras to give you added confidence on the road.
Whether you're tackling challenging off-road trails or navigating the daily commute, this 2026 GMC Sierra 2500HD AT4 is built to deliver an exceptional driving experience. With its rugged capability, premium features, and sophisticated style, it's the perfect truck to elevate your adventures.
At the end of the day, the right vehicle doesn't just get you where you're going—it changes how you feel getting there. That's exactly what Buick delivers. Smooth, stylish, and packed with features you'll appreciate every single drive.
Don't just take our word for it—come experience it for yourself. Stop by today, take a seat behind the wheel, and see why so many drivers are making the switch to Buick. Your next upgrade is waiting. Price includes all applicable rebates:$1000 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026
Summary
-
Miles
2 -
Ext. Color
White -
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
1GT4UPEY5TF282005 -
Stock #
TF282005
Features
Options
- 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
- 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
- 3 Years OnStar One
- 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
- 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
Location
Big Star Buick GMC
4411 East FwyBaytown, TX 77521
