[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 SLT VIN 1GT4UNEY3TF375643 · Stock TF375643 ![2026 GMC Sierra 2500HD SLT in Summit White, photo 1 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fcb6803cd-6495-4e09-b470-10fd15a8d47e.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 2 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fe8e72c5b-dd53-4c10-bceb-944fb5687689.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 3 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F7426fd55-d7b3-4baf-ac41-8374433cf7a9.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 4 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F86194c65-fe7a-41aa-81dd-d534633ba184.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 5 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F031ea28e-2e1e-4ab1-839a-ca2318ebbb73.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 6 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F423eb3fd-a06c-4365-957f-f661f16fb5cb.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 7 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fdffb4558-e9ba-4fd9-a489-b9768c85f51f.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 8 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F6af9bf11-2c06-4ce2-bed9-47bbea3e7caf.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 9 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F13fc2044-e8a3-4a95-8f48-ef2dc544d0e0.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 10 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Ff07d60ce-3b96-4fae-88e3-30626c727598.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 11 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F94fc14c9-61fd-4027-9a31-5c831d319636.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 12 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F2c9042f6-2ecb-4050-8de7-3a3e55b3629f.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 13 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fd52fabe0-492d-4929-85ab-9050373f5479.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 14 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F89307e7c-1faf-4b18-884e-1fc48279cd13.jpg&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 15 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fb2d721f5-69f5-4010-8736-97742bbe0808.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 16 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F5993a16f-0e61-40ab-8d5d-85c29b1677fe.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 17 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fbe019d2b-8990-47b6-9d40-f4fc578841d0.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 18 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F58ae6a9e-08d8-4d35-a6a7-f3969d41fdb9.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 19 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fbd4b3f29-1c79-4f21-a8c4-c9f2d65b5342.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 20 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fe7c23925-4b30-4997-8e11-f813872ade7e.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 21 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fec50bcb5-9235-45ea-bed1-0b0847973010.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 22 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F74cfb112-f9bf-426b-9523-a2139a924c57.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 23 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fef494c89-1de3-4720-abc9-5dbcd65bc69d.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 24 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F1a2c4c8c-2b12-47f8-9ffd-1fde44142d65.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 25 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F3ebd0ff3-78c8-4716-911f-f3bdaddafac3.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 26 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F8c40d0ce-8fdd-41f3-ac36-c55186143490.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 27 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F98260897-4691-4173-9794-aafb13959a24.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 28 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F8d9cd433-c7fc-4f67-98fe-67e295786d46.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 29 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fae594420-9457-4ab8-ac8e-807ea180ad9d.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 30 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F691c03b0-857a-474e-a46a-1af17430a92b.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 31 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Ff75f031f-9ff7-4553-9e54-f5df0c822355.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 32 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fe7cacc54-b748-4046-97e7-7ace358d58b8.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 33 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F0cf2ecd2-653a-430a-a3ef-5bb1d1dfa492.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 34 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F9b2f215e-ca26-4e8c-8954-4107975e1d8f.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 35 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fdf49ebac-b2e3-4b3b-a0ff-210f74b7bacf.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 36 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fff852cd2-821b-4033-b628-97738fce200d.png&w=3840&q=80)![2026 GMC Sierra 2500HD SLT in Summit White, photo 37 of 37](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F028cc89d-d24c-49ff-a3e8-6a8dc54416d6.png&w=3840&q=80) 37 photos MSRP$85,245 Dealer discount−$3,870 **Manufacturer offers**Through Nov 30 GMC Bonus Cash−$2,000 Buick & GMC Consumer Cash−$3,500 Price$75,875 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−$3,500 [Check availability](/inventory/new-2026-gmc-sierra-2500hd-slt-4wd-4d-crew-cab-1gt4uney3tf375643/?form=availability)[Schedule a test drive](/inventory/new-2026-gmc-sierra-2500hd-slt-4wd-4d-crew-cab-1gt4uney3tf375643/?form=test-drive)[Ask a question](/inventory/new-2026-gmc-sierra-2500hd-slt-4wd-4d-crew-cab-1gt4uney3tf375643/?form=question) [Calculate your payment](https://app.autoapr.com/reveal/4d0nhx37/1GT4UNEY3TF375643) ## 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 Summit White Interior Black Fuel Diesel ### Equipment 148 #### Packages * Preferred Equipment Group 4SA * Texas Edition Badging * SLT Convenience Package * Texas SLT Premium Package 5 more * SLT Preferred Package * Sierra HD Pro Safety Plus Package * X31 Off-Road Package * Gooseneck/5th Wheel Prep Package * Suspension Package #### Safety * Safety Alert Seat * Adaptive Cruise Control * 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 * 4-Wheel Disc Brakes * 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 #### Technology * SiriusXM with 360L Trial Subscription * Radio: AM/FM Stereo with Premium GMC Infotainment System * Wireless Charging * 120-Volt Bed Mounted Power Outlet 14 more * 120-Volt Instrument Panel Power Outlet * Wireless Phone Projection * 2 Charge/Data USB Ports Inside Center Console * 2 Charge-Only Rear USB Ports * 2 Charge/Data USB Ports * OnStar Services Capable * Steering Wheel Audio Controls * Bose Premium 7-Speaker Sound System * 6-Speaker Audio System Feature * Apple CarPlay/Android Auto * Premium audio system: Premium GMC Infotainment System * AM/FM radio: SiriusXM with 360L * 6 Speakers * Steering wheel mounted audio controls #### Interior * 10-Way Power Driver Seat Adjuster with Lumbar * Driver Memory * Power Sliding Rear Window with Defogger * 10-Way Power Passenger Seat Adjuster with Lumbar 46 more * Power Front Passenger Windows with Express Up/Down * Keyless Open and Start * Front 40/20/40 Split-Bench Seats * Push Button Start * Remote Vehicle Starter System * Electric Rear-Window Defogger * 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 * Perforated Leather-Appointed Front Outboard Seat Trim * LED Cargo Area Lighting * Universal Home Remote * Front Center Armrest w/Storage * Auto-dimming Rear-View mirror * Rear window defroster * Rear seat center armrest * Rear reading lights * Power passenger seat * Power driver seat * Memory seat * Heated steering wheel * Heated front seats * Front dual zone A/C * Automatic temperature control * Voltmeter * Front Bucket Seats * 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 * Air Conditioning #### Exterior * Deep-Tinted Glass * Rear Wheelhouse Liners * Winter Grille Cover * Front Rain-Sensing Wipers 22 more * Spray-on Pickup Bedliner with GMC Logo * Pickup Box * Chrome Surround Grille with Chrome Insert Bars * 18" Machined Aluminum Wheels * Wheels: 20" Bright Face with Dark Painted Pockets * GMC MultiPro Tailgate * 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: chrome * 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) * Hill Descent Control * Engine Block Heater * Exhaust Brake 15 more * 220-Amp Alternator * Heavy-Duty 80 Amp Battery * 2-Speed Active Transfer Case * Skid Plates * ProGrade Trailering System * 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 * Power steering * Front anti-roll bar ### From the store Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026 $3500 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026 ## Check availability Close 2026 GMC Sierra 2500HD SLTStock TF375643 · 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 SLTStock TF375643 · 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 SLTStock TF375643 · 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/) [![2024 GMC Sierra 2500HD Denali Ultimate in Onyx Black](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F41e66f5f-4119-4597-866f-52283b11c689.png&w=3840&q=80)Used · Covert Buick GMC Bee Cave2024 GMC Sierra 2500HD Denali Ultimate30,564 mi · Onyx Black · 4WDPrice$75,124Stock F363360A · VIN 1GT49XEY2RF407553](/inventory/used-2024-gmc-sierra-2500hd-denali-ultimate-4wd-4d-crew-cab-1gt49xey2rf407553/)[![2026 GMC Sierra 2500HD Denali in Titanium](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F4dbf54e8-d30b-48c9-b8ab-0e040b2dfabc.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Sierra 2500HD DenaliTitanium · 4WDMSRP $92,154Total savings $15,000Price$77,154Stock TF265049 · VIN 1GT4UREY1TF265049](/inventory/new-2026-gmc-sierra-2500hd-denali-4wd-4d-crew-cab-1gt4urey1tf265049/)[![2025 GMC Sierra 2500HD AT4 in Onyx Black](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F70241c4a-6bfb-49f7-a832-eaa0cda069a9.png&w=3840&q=80)Used · Covert Buick GMC Bee Cave2025 GMC Sierra 2500HD AT427,183 mi · Onyx Black · 4WDPrice$77,886Stock F376857A · VIN 1GT4UPEY1SF231356](/inventory/used-2025-gmc-sierra-2500hd-at4-4wd-4d-crew-cab-1gt4upey1sf231356/)[![2027 Ram 2500 Big Horn in Diamond Black](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Faf70c3a5-5a07-44d4-883f-dadf413c402e.png&w=3840&q=80)New · Covert CDJR Bee Cave2027 Ram 2500 Big HornDiamond Black · 4WDPrice$75,400Stock VG409820 · VIN 3C63R5DL1VG409820](/inventory/new-2027-ram-2500-big-horn-4wd-4d-crew-cab-3c63r5dl1vg409820/)[![2026 Ram 2500 Laramie in Silver](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F765f743b-49a1-45da-b2ff-415ae7a3c986.png&w=3840&q=80)New · Covert CDJR Bee Cave2026 Ram 2500 LaramieSilver · 4WDMSRP $93,320Total savings $17,964Price$75,356Stock TG264373 · VIN 3C63R5NL5TG264373](/inventory/new-2026-ram-2500-laramie-4wd-4d-mega-cab-3c63r5nl5tg264373/)[![2026 GMC Sierra 3500HD SLE in Onyx Black](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F680bb92d-932f-4606-afe5-17f628ebc9e1.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Sierra 3500HD SLEOnyx Black · 4WDPrice$78,072Stock TF188365 · VIN 1GD5UTEY2TF188365](/inventory/new-2026-gmc-sierra-3500hd-sle-4wd-double-cab-1gd5utey2tf188365/)