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
Fresh GMCs just hit the lot 🚚 Powerful, bold, and loaded with premium features—come see what's new before they're gone.
This 2026 GMC Sierra 2500HD AT4 is a true force to be reckoned with. Equipped with the mighty Duramax 6.6L V8 Turbodiesel engine, this truck delivers an incredible 470 horsepower and a staggering 975 lb-ft of torque, making it a powerhouse on and off the road. The 10-speed automatic transmission and 4WD system ensure seamless power delivery and exceptional capability, w
ether you're towing a heavy load or tackling challenging terrain.
- 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (Includes (K05) Engine Block Heater)
- 7 Speakers
- Bose Premium 7-Speaker Sound System
- Premium audio system: Premium GMC Infotainment System
- Push Button Start
- Remote Vehicle Starter System
- 2-Speed Active Transfer Case
- Heavy-Duty 80 Amp Battery
- X31 Off-Road Package
- Hill Descent Control
The Sierra 2500HD AT4 is built to conquer the toughest terrain, thanks to its off-road-focused suspension, skid plates, and all-terrain tires. But this truck isn't just about raw power—it's also packed with premium features that elevate the driving experience. The Bose sound system, heated and ventilated seats, and wireless charging capabilities ensure you and your passengers travel in comfort and style.
Designed with the modern driver in mind, the Sierra 2500HD AT4 offers a wealth of advanced safety and technology features. From the Surround Vision camera system to the Trailer Cam Provisions and Trailer Viewing Software, this truck is equipped to handle even the most challenging towing and hauling tasks with confidence. The Automatic Emergency Braking, Forward Collision Alert, and Lane Departure Warning systems provide an added layer of protection, giving you peace of mind on the road.
Whether you're tackling a job site, navigating the great outdoors, or just need a capable and comfortable daily driver, the 2026 GMC Sierra 2500HD AT4 is the perfect choice. With its uncompromising power, premium features, and advanced technology, this truck is built to exceed your expectations.
Your next GMC is waiting for you right here on our lot. Don't miss the chance to see the latest models, take advantage of current offers, and drive home in something exceptional today. Price includes all applicable rebates:$1000 - Buick & GMC Consumer Cash Program. Exp. 06/01/2026
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
1GT4UPEY2TF260236 -
Stock #
TF260236
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
- 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
- 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
