[Home](/) / [New vehicles](/new-vehicles/) / [GMC](/new-vehicles/gmc/) / [Sierra 2500HD](/new-vehicles/gmc/sierra-2500hd/) New · Covert Buick GMC Bee Cave # 2026 GMC Sierra 2500HD AT4 VIN 1GT4UPEY1TF375247 · Stock TF375247 ![](/_next/image/?url=%2F_next%2Fstatic%2Fimmutable%2Fmedia%2Fno-photo.1dn04h7xk64d3.jpg&w=3840&q=80)Photos coming soon MSRP$89,710 Dealer discount−$5,589 **Manufacturer offers**Through Nov 30 GMC Bonus Cash−$2,000 Buick & GMC Consumer Cash−$2,500 Price$79,621 Price excludes tax, title, license and the $225 documentary fee. The offers as the manufacturer names them * GMC Bonus Cash−$2,000 * Buick & GMC Consumer Cash Program−$2,500 [Check availability](/inventory/new-2026-gmc-sierra-2500hd-at4-4wd-4d-crew-cab-1gt4upey1tf375247/?form=availability)[Schedule a test drive](/inventory/new-2026-gmc-sierra-2500hd-at4-4wd-4d-crew-cab-1gt4upey1tf375247/?form=test-drive)[Ask a question](/inventory/new-2026-gmc-sierra-2500hd-at4-4wd-4d-crew-cab-1gt4upey1tf375247/?form=question) [Calculate your payment](https://app.autoapr.com/reveal/4d0nhx37/1GT4UPEY1TF375247) ## Calculate your payment Close [Trading in your car for this GMC Sierra 2500HD?Get an offer for it and put it toward this one.](/value-your-trade/) Covert Buick GMC Bee Cave[(512) 954-9290](tel:+15129549290) 16501 Sweetwater Village Dr Bldg 1, Austin, TX 78738 Sales: Monday to Saturday, 9 AM to 7 PM; closed Sunday ### Details Engine 6.6L V8 diesel Transmission 10-speed automatic Drivetrain 4WD Engine Duramax 6.6L V8 Turbodiesel Body 4D Crew Cab Exterior Sterling Metallic Interior Jet Black With Kalahari Accents Fuel Diesel ### Equipment 145 #### Packages * AT4 Preferred Package * AT4 Premium Plus Package * Gooseneck/5th Wheel Prep Package * Preferred Equipment Group 4SB 2 more * Technology Package * X31 Off-Road Package #### Safety * Emergency communication system: OnStar * Lane Departure Warning System * Security system * Unauthorized Entry Theft-Deterrent System 21 more * Automatic Emergency Braking * Buckle to Drive * Following Distance Indicator * Forward Collision Alert * Front Pedestrian Braking * HD Surround Vision * Inside Rearview Auo-Dimming Rear Camera Mirror * Rear Cross Traffic Alert * Ultrasonic Front and Rear Park Assist * Safety Alert Seat * Traction control * 4-Wheel Disc Brakes * ABS brakes * Dual front impact airbags * Dual front side impact airbags * Low tire pressure warning * Occupant sensing airbag * Overhead airbag * Brake assist * Electronic Stability Control * Panic alarm #### Technology * 7 Speakers * AM/FM radio: SiriusXM with 360L * Bose Premium 7-Speaker Sound System * Premium audio system: Premium GMC Infotainment System 14 more * Radio: AM/FM Stereo with Premium GMC Infotainment System * SiriusXM with 360L Trial Subscription * Steering Wheel Audio Controls * 120-Volt Bed Mounted Power Outlet * 120-Volt Instrument Panel Power Outlet * 2 Charge-Only Rear USB Ports * 2 Charge/Data USB Ports Inside Center Console * 2 USB Ports * Apple CarPlay/Android Auto * Multicolor 15" Diagonal Head-Up Display * OnStar Services Capable * Wireless Charging * Wireless Phone Projection * Steering wheel mounted audio controls #### Interior * Automatic temperature control * Electric Rear-Window Defogger * Front dual zone A/C * Rear window defroster 50 more * Driver Memory * Memory seat * Power driver seat * Push Button Start * Remote Vehicle Starter System * Universal Home Remote * Manual Tilt-Wheel/Telescoping Steering Column * Keyless Open and Start * Power Sunroof * LED Cargo Area Lighting * Auto-dimming Rear-View mirror * Floor-Mounted Center Console * Front Premium Floor Liners with Removable Carpet Insert * Heated steering wheel * Rear Premium Floor Liners with Removable Carpet Insert * Rear reading lights * Rear seat center armrest * Voltmeter * 10-Way Power Driver Seat Adjuster with Lumbar * 10-Way Power Passenger Seat Adjuster with Lumbar * 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 * Ventilated Driver and Front Passenger Seats * Ventilated front seats * Power Front Passenger Windows with Express Up/Down * Power Sliding Rear Window with Defogger * Air Conditioning * Power windows * Remote keyless entry * Speed control * Compass * Driver door bin * Driver vanity mirror * Front reading lights * Illuminated entry * Outside temperature display * Overhead console * Passenger vanity mirror * Tachometer * Telescoping steering wheel * Tilt steering wheel * Trip computer * Front Bucket Seats * Split folding rear seat * Passenger door bin #### Exterior * Pickup Box * Auto High-beam Headlights * Front fog lights * Auto-dimming door mirrors 21 more * Bumpers: body-color * Front License Plate Kit * Gloss Black Header Grille and Grille Insert Bars * IntelliBeam Automatic High Beam on/Off * LED Smoked Amber Roof Marker Lamps * Off-Road High Clearance Step * Rear step bumper * Rear Wheelhouse Liners * Spray-on Pickup Bedliner with GMC Logo * Turn signal indicator mirrors * Winter Grille Cover * Wheels: 20" High Gloss Black 8 Spokes Aluminum * Deep-Tinted Glass * Front Rain-Sensing Wipers * Rain sensing wipers * Delay-off headlights * Fully automatic headlights * Heated door mirrors * Power door mirrors * Alloy wheels * Variably intermittent wipers #### Mechanical * Off-Road Suspension * Speed-sensing steering * Front wheel independent suspension * Hill Descent Control 13 more * 2-Speed Active Transfer Case * 220-Amp Alternator * Engine Block Heater * Exhaust Brake * Heavy-Duty 80 Amp Battery * Bed View Camera with Two Trailer Camera Provisions * Trailer Cam Provisions and Trailer Viewing Software * Trailer Side Blind Zone Alert * Upfitter Switch Kit (5) * Hitch Guidance with Hitch View * in-Vehicle Trailering System App * Power steering * Front anti-roll bar ### From the store Call us at 512-954-9290 This 2026 GMC Sierra 2500HD AT4 in Silver delivers commanding presence and capability. Built on the robust Duramax 6.6L V8 Turbodiesel engine with 10-speed automatic transmission and 4WD, this Crew Cab Standard Bed truck is engineered for serious work and adventure. The Jet Black leather interior with Kalahari accents combines durability with refined comfort. \- Duramax 6.6L V8 Turbodiesel with 220-amp alternator \- Gooseneck/5th wheel prep package with hitch platform \- AT4 Premium Plus and Technology packages \- 4WD with 2-speed active transfer case and off-road suspension \- Multicolor 15" head-up display and HD surround vision \- Bose premium 7-speaker sound system with SiriusXM \- Bed view camera with trailer camera provisions \- Heated and ventilated front seats with power adjustments \- Spray-on bedliner with GMC logo \- X31 off-road package with hill descent control The Sierra 2500HD AT4 pairs advanced technology and comfort features with the capability you demand. From the wireless charging and smartphone projection to the bed-mounted power outlet and multiple USB ports, this truck keeps you connected and productive. Come see how this exceptional truck can work for you. Call us at 512-954-9290 Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026 $2500 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026 ## Check availability Close 2026 GMC Sierra 2500HD AT4Stock TF375247 · Covert Buick GMC Bee Cave First name Last name Email Phone An email or a phone number is enough. ZIP code (optional) Leave this field empty Check availability By submitting, you agree that Covert Buick GMC Bee Cave may contact you about this request by phone, text or email. ## Schedule a test drive Close 2026 GMC Sierra 2500HD AT4Stock TF375247 · Covert Buick GMC Bee Cave First name Last name Email Phone An email or a phone number is enough. ZIP code (optional) Preferred day (optional) Time of day (optional)Any timeMorningAfternoonEvening Leave this field empty Schedule a test drive By submitting, you agree that Covert Buick GMC Bee Cave may contact you about this request by phone, text or email. ## Ask a question Close 2026 GMC Sierra 2500HD AT4Stock TF375247 · Covert Buick GMC Bee Cave First name Last name Email Phone An email or a phone number is enough. 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