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.
- 120 Point Safety Inspection
- 20" WHEELS
- BLUETOOTH / HANDSFREE
- CLEAN CARFAX!
- LOCAL TRADE IN!
- NAVIGATION
- NON SMOKER VEHICLE
- PROFESSIONALLY DETAILED FOR DELIVERY!
- SUNROOF/MOONROOF
- SUPER LOW MILES!
This 2025 GMC Sierra 2500HD AT4 is equipped with the powerful Duramax 6.6L V8 Turbodiesel engine paired with a smooth-shifting 10-Speed A
tomatic transmission and 4-Wheel Drive. With just 8,937 miles, this Sierra is like-new and ready to take on any adventure.
The AT4 trim level adds premium off-road features like the X31 Off-Road Package, Gooseneck/5th Wheel Prep Package, and an advanced 4WD system. Inside, you'll find luxurious amenities like the Bose Premium 7-Speaker Sound System, Heated and Ventilated Leather Seats, Heated Steering Wheel, and more. The Cargo Convenience Package and 120-Volt Bed Outlet provide added utility for your toughest jobs.
This Sierra has been meticulously inspected and certified to ensure it meets the highest standards of quality and safety. With its rugged capability, premium features, and low mileage, this 2500HD AT4 is an exceptional value.
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.
Summary
-
Miles
8,938 -
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
1GT4UPEY3SF320121 -
Stock #
SF320121W
Features
Options
- AT4 Preferred Package
- Cargo Convenience Package
- Gooseneck/5th Wheel Prep Package
- Preferred Equipment Group 4SB
- X31 Off-Road Package
- 7 Speakers
- AM/FM radio: SiriusXM with 360L
- Bose Premium 7-Speaker Sound System
- Radio: AM/FM w/Premium GMC Infotainment System
- SiriusXM w/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 & 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
- Bumpers: body-color
- Front License Plate Kit
- Gloss Black Header Grille & 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 w/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 w/2 Trailer Camera Provisions
- Buckle to Drive
- Compass
- Console-Mounted Safe (LPO)
- Driver door bin
- Driver vanity mirror
- Floor-Mounted Center Console
- Following Distance Indicator
- Forward Collision Alert
- Front Pedestrian Braking
- Front Prem Floor Liners w/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 Prem Floor Liners w/Removable Carpet Insert
- Rear reading lights
- Rear seat center armrest
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trailer Cam Provisions & Trailer Viewing Software
- Trailer Side Blind Zone Alert
- Trip computer
- Ultrasonic Front & Rear Park Assist
- Voltmeter
- Wireless Charging
- Wireless Phone Projection
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front Bucket Seats
- Front Center Armrest
- Heated 2nd Row Outboard Seats
- Heated Driver & Front Outboard Passenger Seats
- Heated front seats
- Heated rear seats
- Perforated Leather-Appointed Front Seat Trim
- Power passenger seat
- Rear Underseat Storage (LPO)
- Safety Alert Seat
- Split folding rear seat
- Ventilated Driver & Front Passenger Seats
- Ventilated front seats
- Passenger door bin
- Hitch Guidance w/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 w/Express Up/Down
- Power Sliding Rear Window w/Defogger
- Rain sensing wipers
- Variably intermittent wipers
- 3.42 Axle Ratio
- SUPER LOW MILES!
- LOCAL TRADE IN!
- 120 Point Safety Inspection
- PROFESSIONALLY DETAILED FOR DELIVERY!
- NAVIGATION
- BLUETOOTH / HANDSFREE
- SUNROOF/MOONROOF
- 20" WHEELS
- CLEAN CARFAX!
- NON SMOKER VEHICLE
Location
Big Star Buick GMC
4411 East FwyBaytown, TX 77521
