[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 AT4X VIN 1GT4UZEY7TF402737 · Stock TF402737 ![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 1 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F407954b5-feec-4cf5-873d-4f831a678fc5.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 2 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F8a4af9de-999d-4c98-b510-6698818df2d3.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 3 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F35b1c858-60b8-49ab-b17e-e2a98351cf90.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 4 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F509e7bc0-460a-4e22-b724-662925e0a151.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 5 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F0ae3d17f-b845-4682-ba20-1ae8fa849d19.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 6 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F1de26a6a-39f8-4625-b469-992b6707d2f6.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 7 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F13f377ab-3e14-41f2-b803-eedc7397589f.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 8 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fc5a4b014-fdad-4482-9afb-135a94ccfb00.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 9 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F2a0bea3d-ac4d-4667-aa3b-9ae756196b89.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 10 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F475ffeee-7f69-4d1c-88c8-cb1b0a8800e4.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 11 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F1c7cec34-26a2-4c37-b5b8-84ef6a7b253b.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 12 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F1c4ff0ce-69fe-485e-9dbd-ea8f0cb8be5f.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 13 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F51a1f9a8-fe91-4006-a6cc-68b96e9dd6eb.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 14 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F3d4227df-ad53-4e73-b8d2-34d3a9c48c49.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 15 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F534a4b17-f4fa-4b09-a6f8-0b523ddd21ac.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 16 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fad4405df-10ba-4aa4-999b-77290265c364.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 17 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fcf90bb69-e3c5-4dee-a6c0-cc631bfcd819.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 18 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F19418680-e178-4acd-b39b-d1b10571a06a.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 19 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Feff85680-57e1-4454-8ee8-11f4bc71eb53.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 20 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fa304c8f2-84b1-4786-bd36-7920f5a30fc7.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 21 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fbf7f3ccf-6ef2-4c47-b8dd-179ed48299f2.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 22 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F8d128d3d-5484-4a43-9331-0276c2e61636.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 23 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F9e7b46ff-edf4-414e-94ab-308a1fd640e4.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 24 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F45c54de4-3aa2-4243-84ac-172d15e4a3c6.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 25 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F8e5ed8f4-ab02-4e45-85af-8521334fe12c.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 26 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F3d84ae9d-f0db-4588-9f0f-989601b97bad.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 27 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F44bb6631-e734-4528-9f7c-f8d1ac3e7647.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 28 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F2ead83ed-901a-4786-a6c4-171f80b4b3a4.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 29 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fd0cf0c8c-f0dc-4205-a2dc-8069ab7609d6.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 30 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F2127a84b-9c01-43b8-97b2-a3ce02631fa7.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 31 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Ffd2660db-6b07-496e-b12e-3332890abc26.png&w=3840&q=80)![2026 GMC Sierra 2500HD AT4X in Sterling Metallic, photo 32 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fbb7e253b-d978-4d45-8e45-0850f5d7a7dd.png&w=3840&q=80) 32 photos MSRP$99,175 Dealer discount−$6,033 **Manufacturer offers**Through Nov 30 GMC Bonus Cash−$2,000 Price$91,142 Price excludes tax, title, license and the $225 documentary fee. [Check availability](/inventory/new-2026-gmc-sierra-2500hd-at4x-4wd-4d-crew-cab-1gt4uzey7tf402737/?form=availability)[Schedule a test drive](/inventory/new-2026-gmc-sierra-2500hd-at4x-4wd-4d-crew-cab-1gt4uzey7tf402737/?form=test-drive)[Ask a question](/inventory/new-2026-gmc-sierra-2500hd-at4x-4wd-4d-crew-cab-1gt4uzey7tf402737/?form=question) [Calculate your payment](https://app.autoapr.com/reveal/4d0nhx37/1GT4UZEY7TF402737) ## 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 Obsidian Rush Fuel Diesel ### Equipment 140 #### Packages * Gooseneck/5th Wheel Prep Package * Preferred Equipment Group 4SG #### 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 * Front Premium Floor Liners with Removable Carpet Insert * Garage door transmitter * Heated steering wheel * Leather steering wheel * Rear Premium Floor Liners with Removable Carpet Insert * 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 * Gloss Black Door Handles * Gloss Black Header Grille and Grille Insert Bars * IntelliBeam Automatic High Beam on/Off * LED Smoked Amber Roof Marker Lamps * Rear step bumper * Rear Wheelhouse Liners * Spray-on Pickup Bedliner with GMC Logo * Turn signal indicator mirrors * Wheels: 18" Machined Aluminum with High Gloss Black Accents * 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 11 more * 2-Speed Active Transfer Case * 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 * Hitch Guidance with Hitch View * in-Vehicle Trailering System App * Trailer Tire Pressure Monitor Sensors * 3.73 Rear Axle Ratio * Power steering * Front anti-roll bar ### From the store Call us at 512-954-9290 Meet the 2026 GMC Sierra 2500HD AT4X, engineered to deliver serious capability without compromise. This silver crew cab features the legendary Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD, making it ready for work and adventure alike. The Obsidian Rush full grain leather interior combines premium comfort with rugged durability. \- Duramax 6.6L V8 Diesel Turbocharged with 10-Speed Automatic \- Gooseneck/5th Wheel Prep Package \- Bose Premium Series 12-Speaker System with SiriusXM 360L Trial \- Advanced camera systems including Bed View, HD Surround Vision, and Trailer Cam Provisions \- Multicolor 15" Diagonal Head-Up Display and Wireless Phone Projection \- Heated and ventilated leather seats with 16-way power adjustment \- Power sunroof with Keyless Open and Start \- Ultrasonic front and rear park assist with Trailer Side Blind Zone Alert \- Hill Descent Control with 2-Speed Active Transfer Case \- Wireless charging and multiple USB/power outlets throughout This AT4X is the perfect blend of luxury and work-truck capability. Experience the confidence that comes with premium technology, genuine leather appointments, and class-leading towing features. Visit our showroom today to see why the Sierra 2500HD AT4X is the ultimate choice for discerning truck owners. Call us at 512-954-9290 Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026 ## Check availability Close 2026 GMC Sierra 2500HD AT4XStock TF402737 · 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 AT4XStock TF402737 · 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 AT4XStock TF402737 · 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 Denali Ultimate in Glacier White](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fa3729603-224c-4c94-9b07-c95bf2abd7c1.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Sierra 2500HD Denali UltimateGlacier White · 4WDMSRP $98,785Total savings $7,802Price$90,983Stock TF377507 · VIN 1GT4UXEY0TF377507](/inventory/new-2026-gmc-sierra-2500hd-denali-ultimate-4wd-4d-crew-cab-1gt4uxey0tf377507/)[![2026 GMC Sierra 2500HD AT4X in Summit White](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F2f06383f-a8c6-42c4-b3b3-d2583e37f27a.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Sierra 2500HD AT4XSummit White · 4WDMSRP $100,078Total savings $9,740Price$90,338Stock TF372857 · VIN 1GT4UZEY8TF372857](/inventory/new-2026-gmc-sierra-2500hd-at4x-4wd-4d-crew-cab-1gt4uzey8tf372857/)[![2026 GMC Sierra 2500HD AT4 in Onyx Black](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F941cdf89-ddf3-47fc-a774-0a1d81d8d5ef.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Sierra 2500HD AT4Onyx Black · 4WDMSRP $93,544Total savings $4,500Price$89,044Stock TF411277 · VIN 1GT4UPEY5TF411277](/inventory/new-2026-gmc-sierra-2500hd-at4-4wd-4d-crew-cab-1gt4upey5tf411277/)[![2027 Ram 2500 Limited in Bright White Clearcoat](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fee877593-66a3-4f20-8f39-f566806a7116.png&w=3840&q=80)New · Covert CDJR Bee Cave2027 Ram 2500 LimitedBright White Clearcoat · 4WDMSRP $103,410Total savings $14,347Price$89,063Stock VG418935 · VIN 3C63R5SL4VG418935](/inventory/new-2027-ram-2500-limited-4wd-4d-crew-cab-3c63r5sl4vg418935/)[![2027 Ram 2500 Laramie in Bright White Clearcoat](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F72850237-c2e8-43e0-832f-d7b4509fbc39.png&w=3840&q=80)New · Covert CDJR Bee Cave2027 Ram 2500 LaramieBright White Clearcoat · 4WDPrice$85,832Stock VG418937 · VIN 3C63R5FL5VG418937](/inventory/new-2027-ram-2500-laramie-4wd-4d-crew-cab-3c63r5fl5vg418937/)[![2026 GMC Sierra 3500HD Denali Ultimate in Glacier White](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F8d9b4710-23a1-49a3-afeb-1a0124241e20.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Sierra 3500HD Denali UltimateGlacier White · 4WDMSRP $106,285Total savings $8,851Price$97,434Stock TF357035 · VIN 1GT4UYEY9TF357035](/inventory/new-2026-gmc-sierra-3500hd-denali-ultimate-4wd-4d-crew-cab-1gt4uyey9tf357035/)