[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 1GT4UXEY6TF354944 · Stock TF354944 ![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 1 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F753411e1-894c-4b64-9098-eb2c9c17be12.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 2 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F689b7c10-d435-41ff-801f-630c5a7ec203.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 3 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F6364a951-e3ef-4bbe-a020-24c45ebe1154.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 4 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fdc263221-fcac-48ee-9db1-805bc77fd793.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 5 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F55f4875a-05c8-4d77-b8f0-5e1889b2d3a1.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 6 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F52d7414e-1f52-4c5a-b9ee-b328488e2703.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 7 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fdfd1e7b4-9273-41b7-aa42-10aa0432719f.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 8 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fcffcd4c1-126a-4e3b-85eb-d4e72f8ead12.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 9 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F2a922ef5-1928-46f1-88dc-1c36166c7ff5.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 10 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F3a505bc6-d2b5-4d85-b6c7-bbbb13adaa2e.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 11 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F6a597afb-b17d-4b9b-9435-8295de6dac1c.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 12 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Ff78469e0-a807-4512-9530-3b5110bace04.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 13 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F16796223-447e-49e9-a253-fde10e200828.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 14 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F558b12e9-5239-464c-a5fd-e38054aeaf84.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 15 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F015bec86-4f47-4d15-a602-a0edfa8da799.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 16 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F7c6dfa37-8452-4360-8469-398c251f70aa.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 17 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fca4f7f31-f340-46e9-968b-45741fc609bc.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 18 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fec6cb632-79e2-42ae-8616-daa5a413e155.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 19 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F211ff2d1-e040-4f89-aec4-f44fa371a566.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 20 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F5e84799e-8823-492e-95c4-824cb9dbec82.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 21 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F1018ec89-5847-4ad1-bfb5-101b2825f1fc.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 22 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fa4aec769-bec6-441e-bb98-9bfcc5771e2f.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 23 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F0b62dddd-b190-45ef-977c-6524c7090b8a.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 24 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F6378529d-6a34-495e-809b-cfaacb7a8a86.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 25 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F94de66ad-7d2f-47c0-a350-89cd413c7d7e.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 26 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F20b6668b-9765-4487-8b47-476737e93d29.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 27 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F980d28a6-bdea-4a79-8a4f-9d0b90107023.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 28 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fdbba11c4-ae2b-4144-970e-595ab560524f.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 29 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F4fc657d1-0060-4740-a68b-dcc84a9c0984.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 30 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F3ebec7d8-b29f-44cd-8480-64e303b11342.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 31 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F3d948d57-9dce-4693-a5a9-8867600ab7b0.png&w=3840&q=80)![2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 32 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Faad83d59-3b73-453e-a44a-38f1177d6a15.png&w=3840&q=80) 32 photos Price$134,790 Price excludes tax, title, license and the $225 documentary fee. [Check availability](/inventory/new-2026-gmc-sierra-2500hd-denali-ultimate-4wd-4d-crew-cab-1gt4uxey6tf354944/?form=availability)[Schedule a test drive](/inventory/new-2026-gmc-sierra-2500hd-denali-ultimate-4wd-4d-crew-cab-1gt4uxey6tf354944/?form=test-drive)[Ask a question](/inventory/new-2026-gmc-sierra-2500hd-denali-ultimate-4wd-4d-crew-cab-1gt4uxey6tf354944/?form=question) [Calculate your payment](https://app.autoapr.com/reveal/4d0nhx37/1GT4UXEY6TF354944) ## 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 Onyx Black Interior Alpine Umber Fuel Diesel ### Equipment 144 #### Packages * Gooseneck/5th Wheel Prep Package * Preferred Equipment Group 5SB * 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 * 12 Speakers * AM/FM radio: SiriusXM with 360L * Bose Premium Series 12-Speaker System * Premium audio system: Premium GMC Infotainment System 15 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 * Heads-Up Display * 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 53 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 moonroof * Power Sunroof * LED Cargo Area Lighting * Auto-dimming Rear-View mirror * Floor-Mounted Center Console * Garage door transmitter * Genuine wood dashboard insert * Genuine wood door panel insert * Heated steering wheel * Leather steering wheel * Rear reading lights * Rear seat center armrest * Voltmeter * 16-Way Power Driver Seat Adjuster with Lumbar * 16-Way Power Passenger Seat Adjuster with Lumbar * Front Center Armrest * Full Grain Leather Seat Trim * Heated 2nd Row Outboard Seats * Heated Driver and Front Outboard Passenger Seats * Heated front seats * Heated rear seats * 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 18 more * Bumpers: body-color * IntelliBeam Automatic High Beam on/Off * LED Smoked Amber Roof Marker Lamps * Rear step bumper * Rear Wheelhouse Liners * Signature Denali Ultimate Grille in Vadar Chrome * Spray-on Pickup Bedliner with GMC Logo * Turn signal indicator mirrors * Wheels: 20" Ultra-Bright Machined 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 * Block heater * Dual Heavy-Duty 70 Amp Battery * Bed View Camera with Two Trailer Camera Provisions * Trailer Cam Provisions and Trailer Viewing Software * Trailer Side Blind Zone Alert * Hitch Guidance with Hitch View * in-Vehicle Trailering System App * Trailer Tire Pressure Monitor Sensors * 3.42 Axle Ratio * Power steering * Front anti-roll bar ### From the store Call us at 512-954-9290 This 2026 GMC Sierra 2500HD Denali Ultimate arrives with just 5 miles, offering you a truck built for serious work and refined daily driving. Finished in striking Black, this diesel-powered workhorse delivers capability with premium comfort and advanced technology designed for truck owners who demand both performance and sophistication. \- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD \- Gooseneck/5th Wheel Prep Package for maximum towing versatility \- X31 Off-Road Package with 2-Speed Active Transfer Case and Off-Road Suspension \- Technology Package including Wireless Phone Projection and Wireless Charging \- Multicolor 15" Head-Up Display and HD Surround Vision \- Bose Premium Series 12-Speaker System with SiriusXM 360L Trial Subscription \- Bed View Camera with Trailer Camera Provisions and Trailer Viewing Software \- Heated and Ventilated Leather Bucket Seats with 16-Way Power Adjusters \- Power Sunroof and Spray-On Bedliner with GMC Logo \- Signature Denali Ultimate Grille in Vadar Chrome \- Ultrasonic Front and Rear Park Assist with Rear Cross Traffic Alert \- Remote Vehicle Starter System and Keyless Open and Start \- Safety Alert Seat and Automatic Emergency Braking \- Power Sliding Rear Window with Defogger and Electric Rear-Window Defogger \- 120-Volt Power Outlets in Bed and Instrument Panel The Denali Ultimate trim represents GMC's commitment to luxury in the heavy-duty segment. Its full-grain leather appointments, heated steering wheel, and automatic temperature control create an environment that feels far more upscale than typical truck cabins. The 16-way power adjustable front seats with lumbar support ensure comfort during long drives, while heated and ventilated functions adapt to any season. When it comes to capability, this Sierra 2500HD is engineered for serious hauling and towing tasks. The Duramax turbodiesel engine provides the torque needed for demanding work, while the Gooseneck/5th Wheel Prep Package and in-vehicle trailering system app give you the tools to manage complex towing situations. Trailer tire pressure monitoring and the trailer side blind zone alert system add layers of confidence when you're working with equipment behind you. Technology throughout this truck makes both work and daily driving more efficient. The HD Surround Vision system provides complete visibility around the vehicle, while the multicolor head-up display keeps critical information in your line of sight. Wireless phone projection and charging mean your devices stay powered without cluttering the cabin. The bed view camera with two trailer camera provisions lets you monitor what's behind you with precision. The X31 Off-Road Package transforms this truck for terrain beyond typical roads. The 2-Speed Active Transfer Case, hill descent control, and off-road suspension give you genuine capability when the pavement ends. Combined with the truck's substantial size and the Duramax's power, you have a vehicle ready for diverse conditions. Standard safety features throughout this Sierra 2500HD reflect modern protective technologies. Automatic emergency braking, lane departure warning, forward collision alert, and front pedestrian braking work together with the structural engineering to protect occupants. The Unauthorized Entry Theft-Deterrent System and security system provide peace of mind when the truck is parked. This 2026 Sierra 2500HD Denali Ultimate represents a complete truck package—one that handles serious work without sacrificing the refinement and technology you expect in a premium vehicle. With virtually no miles on the odometer, you're getting a truck that's ready for your specification and use. Call us at 512-954-9290 Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026 ## Check availability Close 2026 GMC Sierra 2500HD Denali UltimateStock TF354944 · 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 TF354944 · 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 TF354944 · Covert Buick GMC Bee Cave First name Last name Email Phone An email or a phone number is enough. ZIP code (optional) Your question Leave this field empty Ask a question By submitting, you agree that Covert Buick GMC Bee Cave may contact you about this request by phone, text or email. ## Similar vehicles in stock [All new vehicles →](/new-vehicles/) [![2026 GMC Sierra 2500HD AT4 in Onyx Black](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Ffbccf286-c7eb-460d-9c74-6863ddf4e10a.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Sierra 2500HD AT4Onyx Black · 4WDPrice$127,592Stock TF350273 · VIN 1GT4UPEY9TF350273](/inventory/new-2026-gmc-sierra-2500hd-at4-4wd-4d-crew-cab-1gt4upey9tf350273/)[![2026 GMC Sierra 2500HD Denali Ultimate in Sterling Metallic](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Ffcef30e5-487e-43ec-b5d8-71d950accee1.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Sierra 2500HD Denali UltimateSterling Metallic · 4WDPrice$126,180Stock TF377401 · VIN 1GT4UXEY6TF377401](/inventory/new-2026-gmc-sierra-2500hd-denali-ultimate-4wd-4d-crew-cab-1gt4uxey6tf377401/)[![2026 GMC Sierra 2500HD Denali in Titanium](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F99a076da-310c-4bff-84c9-a8c4de986cb6.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Sierra 2500HD DenaliTitanium · 4WDPrice$111,375Stock TF199434 · VIN 1GT4UREY2TF199434](/inventory/new-2026-gmc-sierra-2500hd-denali-4wd-4d-crew-cab-1gt4urey2tf199434/)[![2026 GMC Sierra 3500HD Denali Ultimate in Summit White](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F3bdabbc6-25ad-4c00-b74c-21bfccb9cd03.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Sierra 3500HD Denali UltimateSummit White · 4WDPrice$118,075Stock TF152465 · VIN 1GT4UYEY6TF152465](/inventory/new-2026-gmc-sierra-3500hd-denali-ultimate-4wd-4d-crew-cab-1gt4uyey6tf152465/)[![2027 Ram 2500 Limited in Diamond Black](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F9a1520ee-cc98-4ca4-980d-3fd36500fc74.png&w=3840&q=80)New · Covert CDJR Bee Cave2027 Ram 2500 LimitedDiamond Black · 4WDPrice$96,094Stock VG418934 · VIN 3C63R5SL2VG418934](/inventory/new-2027-ram-2500-limited-4wd-4d-crew-cab-3c63r5sl2vg418934/)[![](/_next/image/?url=%2F_next%2Fstatic%2Fimmutable%2Fmedia%2Fno-photo.1dn04h7xk64d3.jpg&w=3840&q=80)Photos coming soonNew · Covert Buick GMC Bee Cave2026 GMC Sierra 3500HD DenaliGlacier White · 4WDPriceNot listedStock TF426463 · VIN 1GT4UWEY8TF426463](/inventory/new-2026-gmc-sierra-3500hd-denali-4wd-4d-crew-cab-1gt4uwey8tf426463/)