[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 Denali Ultimate VIN 1GT4UXEY4TF436042 · Stock TF436042 ![](/_next/image/?url=%2F_next%2Fstatic%2Fimmutable%2Fmedia%2Fno-photo.1dn04h7xk64d3.jpg&w=3840&q=80)Photos coming soon PriceNot listed Call Covert Buick GMC Bee Cave at [(512) 954-9290](tel:+15129549290) for this Sierra 2500HD's price. [Check availability](/inventory/new-2026-gmc-sierra-2500hd-denali-ultimate-4wd-4d-crew-cab-1gt4uxey4tf436042/?form=availability)[Schedule a test drive](/inventory/new-2026-gmc-sierra-2500hd-denali-ultimate-4wd-4d-crew-cab-1gt4uxey4tf436042/?form=test-drive)[Ask a question](/inventory/new-2026-gmc-sierra-2500hd-denali-ultimate-4wd-4d-crew-cab-1gt4uxey4tf436042/?form=question) [Calculate your payment](https://app.autoapr.com/reveal/4d0nhx37/1GT4UXEY4TF436042) ## 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 Downpour Metallic Interior Alpine Umber Fuel Diesel ### Equipment 155 #### Packages * Preferred Equipment Group 5SB * Technology Package * X31 Off-Road Package * Gooseneck/5th Wheel Prep Package #### Safety * Inside Rearview Auo-Dimming Rear Camera Mirror * Safety Alert Seat * Sierra HD Pro Safety * Buckle to Drive 22 more * Ultrasonic Front and Rear Park Assist * Following Distance Indicator * Forward Collision Alert * Rear Cross Traffic Alert * Lane Departure Warning System * Automatic Emergency Braking * Front Pedestrian Braking * Unauthorized Entry Theft-Deterrent System * HD Surround Vision * Emergency communication system: OnStar * Security system * Traction control * Panic alarm * Overhead airbag * Occupant sensing airbag * Low tire pressure warning * Dual front side impact airbags * Dual front impact airbags * Brake assist * ABS brakes * Electronic Stability Control * 4-Wheel Disc Brakes #### Technology * SiriusXM with 360L Trial Subscription * Radio: AM/FM Stereo with Premium GMC Infotainment System * Wireless Charging * 120-Volt Bed Mounted Power Outlet 16 more * 120-Volt Instrument Panel Power Outlet * Wireless Phone Projection * 3 Years SiriusXM * 2 Charge/Data USB Ports Inside Center Console * 2 USB Ports * 2 Charge-Only Rear USB Ports * OnStar Services Capable * Steering Wheel Audio Controls * Bose Premium Series 12-Speaker System * Multicolor 15" Diagonal Head-Up Display * 12 Speakers * Apple CarPlay/Android Auto * Premium audio system: Premium GMC Infotainment System * AM/FM radio: SiriusXM with 360L * Heads-Up Display * Steering wheel mounted audio controls #### Interior * 16-Way Power Driver Seat Adjuster with Lumbar * Driver Memory * Power Sliding Rear Window with Defogger * 16-Way Power Passenger Seat Adjuster with Lumbar 54 more * Power Front Passenger Windows with Express Up/Down * Keyless Open and Start * Push Button Start * Remote Vehicle Starter System * Electric Rear-Window Defogger * Power Sunroof * Floor-Mounted Center Console * Heated Driver and Front Outboard Passenger Seats * Heated 2nd Row Outboard Seats * Ventilated Driver and Front Passenger Seats * Manual Tilt-Wheel/Telescoping Steering Column * All-Weather Floor Liners * Full Grain Leather Seat Trim * LED Cargo Area Lighting * Universal Home Remote * Auto-dimming Rear-View mirror * Ventilated front seats * Rear window defroster * Rear seat center armrest * Rear reading lights * Power passenger seat * Power moonroof * Power driver seat * Memory seat * Leather steering wheel * Heated steering wheel * Heated rear seats * Heated front seats * Genuine wood door panel insert * Genuine wood dashboard insert * Garage door transmitter * Front dual zone A/C * Automatic temperature control * Voltmeter * Front Center Armrest * Compass * Trip computer * Tilt steering wheel * Telescoping steering wheel * Split folding rear seat * Speed control * Remote keyless entry * Power windows * Passenger vanity mirror * Passenger door bin * Overhead console * Outside temperature display * Illuminated entry * Front reading lights * Driver vanity mirror * Driver door bin * Tachometer * Front Bucket Seats * Air Conditioning #### Exterior * GMC MultiPro Tailgate Step Lights * Deep-Tinted Glass * Rear Wheelhouse Liners * Front Rain-Sensing Wipers 23 more * Spray-on Pickup Bedliner with GMC Logo * Pickup Box * Signature Denali Ultimate Grille in Vadar Chrome * Wheels: 20" Ultra-Bright Machined Aluminum * Wheels: 22" Painted Black Transit Steel * 22" Gloss Black Aluminum Wheels * Body Color Wheel Arch Moldings * IntelliBeam Automatic High Beam on/Off * LED Smoked Amber Roof Marker Lamps * Front License Plate Kit * Auto High-beam Headlights * Turn signal indicator mirrors * Rear step bumper * Rain sensing wipers * Front fog lights * Bumpers: body-color * Auto-dimming door mirrors * Variably intermittent wipers * Power door mirrors * Heated door mirrors * Fully automatic headlights * Delay-off headlights * Alloy wheels #### Mechanical * Upfitter Switch Kit (5) * 3.42 Axle Ratio * Hill Descent Control * 220-Amp Alternator 16 more * Dual Heavy-Duty 70 Amp Battery * 2-Speed Active Transfer Case * Skid Plates * ProGrade Trailering System * Trailer Tire Pressure Monitor Sensors * Hitch Guidance with Hitch View * Trailer Cam Provisions and Trailer Viewing Software * in-Vehicle Trailering System App * Trailer Side Blind Zone Alert * Bed View Camera with Two Trailer Camera Provisions * Off-Road Suspension * Speed-sensing steering * Front wheel independent suspension * Block heater * Power steering * Front anti-roll bar ### From the store Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026 ## Check availability Close 2026 GMC Sierra 2500HD Denali UltimateStock TF436042 · 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 Denali UltimateStock TF436042 · 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 Denali UltimateStock TF436042 · Covert Buick GMC Bee Cave First name Last name Email Phone An email or a phone number is enough. 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