[Home](/) / [New vehicles](/new-vehicles/) / [GMC](/new-vehicles/gmc/) / [Sierra 1500](/new-vehicles/gmc/sierra-1500/) New · Covert Buick GMC Bee Cave # 2026 GMC Sierra 1500 AT4 VIN 1GTUUEEL5TZ496788 · Stock TR496788 ![2026 GMC Sierra 1500 AT4 in Summit White, photo 1 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F3910cf01-eb56-4dee-9f01-25c3beaf74aa.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 2 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fe5dd7f8d-c0ee-4ba7-a987-5ecf45d48102.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 3 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F44d774f5-6bcb-4d53-be79-3f4a7a5fd152.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 4 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F262c44e7-2c43-4b3d-b5f3-d46076bd4448.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 5 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fede5f489-b86b-4deb-af9d-837649e7c26d.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 6 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F216f33df-2d0f-4866-a128-dc24cee5fd9e.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 7 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F2fb02a0c-2d56-4450-b1ad-baf0bd41163b.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 8 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F37850435-dd18-438b-bc86-a39c1cce9f5d.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 9 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F3abe4d75-b9e5-4eef-a3f9-131c1b043a1b.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 10 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Ff9fe070c-41f3-4a8e-ae1d-2d3af0a16739.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 11 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fe5a00d75-d108-4918-a9e2-f5bab94fcf80.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 12 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F7825b5cb-4eb0-41ae-8861-f8ad4f9c98f6.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 13 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F2caddf11-daf3-4e22-aa17-b9bded6b2070.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 14 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F4aa5882e-1e43-4527-8a45-94e3e5bc54ee.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 15 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fc9d00538-4451-43ef-89e7-fb9f19e2f326.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 16 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fb24ee6b1-0d29-41a4-ba61-ca8ba29c4bde.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 17 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F9bc121ee-ae3c-4508-86ff-397840a18e07.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 18 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fd557cc1d-7b44-4d2b-aadf-f56517133075.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 19 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F6b4788cf-5c09-4205-b69e-0532f8f0199f.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 20 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fb40b8cbe-192b-4dbe-8814-646170e5b1af.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 21 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F7adf1b5d-68c6-4d8b-a7f5-a6b1e0d87464.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 22 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F4d17e657-871c-434c-8f86-ba46ce462495.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 23 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F9f938e48-4b83-4ea4-b9d1-700e302786e4.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 24 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fce99325f-6fae-4cc5-9031-298ce742a447.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 25 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fe164b8cf-72ad-4d30-b2f9-ec0aaf0126bb.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 26 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F5aae8800-98a1-4f7b-b4fc-827a6fd51028.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 27 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F428c6ec7-c161-404e-88bb-a3c78931b59e.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 28 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fa41b3066-f851-4ffa-8a0f-efc1f43a5bcc.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 29 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F96b28223-35aa-4611-9795-1fb90c2d12ca.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 30 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F24614208-254a-4498-b086-989f7076866d.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 31 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F10330f9e-826c-45af-8c91-e49f8e45ba2e.png&w=3840&q=80)![2026 GMC Sierra 1500 AT4 in Summit White, photo 32 of 32](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F8f812faf-b786-4520-951c-b650d42faf18.png&w=3840&q=80) 32 photos MSRP$76,255 Dealer discount−$4,905 **Manufacturer offers**Through Nov 30 Buick & GMC Consumer Cash−$6,250 Price$65,100 Price excludes tax, title, license and the $225 documentary fee. The offers as the manufacturer names them * Buick & GMC Consumer Cash Program−$6,250 [Check availability](/inventory/new-2026-gmc-sierra-1500-at4-4wd-4d-crew-cab-1gtuueel5tz496788/?form=availability)[Schedule a test drive](/inventory/new-2026-gmc-sierra-1500-at4-4wd-4d-crew-cab-1gtuueel5tz496788/?form=test-drive)[Ask a question](/inventory/new-2026-gmc-sierra-1500-at4-4wd-4d-crew-cab-1gtuueel5tz496788/?form=question) [Calculate your payment](https://app.autoapr.com/reveal/4d0nhx37/1GTUUEEL5TZ496788) ## Calculate your payment Close [Trading in your car for this GMC Sierra 1500?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 6.2L V8 Transmission 10-speed automatic Drivetrain 4WD Engine EcoTec3 6.2L V8 Body 4D Crew Cab Exterior Summit White Interior Jet Black With Kalahari Accents Fuel Gasoline ### Equipment 154 #### Packages * AT4 Preferred Package * AT4 Premium Package * Preferred Equipment Group 4SB * Technology Package 1 more * Trailering Package #### Safety * Emergency communication system: OnStar * Security system * Theft Deterrent System (unauthorized Entry) * Automatic Emergency Braking 23 more * Bed View Camera * Buckle to Drive * Following Distance Indicator * Forward Collision Alert * Front Pedestrian Braking * HD Surround Vision * Lane Keep Assist with Lane Departure Warning * Rear Camera Mirror * Rear Cross Traffic Braking * Rear Pedestrian Detection * Safety Alert Seat * Ultrasonic Front and Rear Park Assist * 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 * Navigation System * 7 Speakers * AM/FM radio: SiriusXM with 360L * Premium Bose 7-Speaker Sound System 16 more * Radio data system * Radio: Premium GMC Infotainment Audio System * SiriusXM with 360L Trial Subscription * Steering Wheel Audio Controls * 120-Volt Bed Mounted Power Outlet * 120-Volt Interior Power Outlet * 2 Charge/Data USB Ports Inside Center Console * 2 Type-C Charge-Only Rear USB Ports * 2 USB Ports * Apple CarPlay/Android Auto * Multicolor 15" Diagonal Head-Up Display * OnStar Services Capable * Wi-Fi Hotspot Capable * Wireless Apple CarPlay/Wireless Android Auto * Wireless Charging * Steering wheel mounted audio controls #### Interior * Automatic temperature control * Electric Rear-Window Defogger * Front dual zone A/C * Rear window defroster 54 more * Driver Memory * Memory seat * Power driver seat * Power Front Passenger Windows with Express Up/Down * Power Front Windows with Driver Express Up/Down * Power Rear Windows with Express Down * Push Button Start * Remote Vehicle Starter System * Universal Home Remote * Power Rake and Telescoping Steering Column * Keyless Open and Start * Power Door Locks * Power Sunroof * LED Cargo Area Lighting * Auto-dimming Rear-View mirror * Color-Keyed Carpeting Floor Covering * 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 Seating * Heated front seats * Heated rear seats * Perforated Front Leather Seat Trim * Power passenger seat * Ventilated Driver and Front Passenger Seats * Ventilated front seats * Power Sliding Rear Window with Rear 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 * Auto High-beam Headlights * Front fog lights * Perimeter Lighting * Auto-dimming door mirrors 18 more * Black Chrome Grille Insert Bars * Bumpers: body-color * Front License Plate Kit * IntelliBeam Automatic High Beam on/Off * Off-Road High Clearance Step * Rear step bumper * Rear Wheelhouse Liners * Spray-on Pickup Bedliner with GMC Logo * Wheels: 20" x 9" 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 * Auto-Locking Rear Differential * Off-Road Suspension * Speed-sensing steering * Front wheel independent suspension 18 more * Hill Descent Control * 170 Amp Alternator * 220 Amp Alternator * Auxiliary External Transmission Oil Cooler * Block heater * External Engine Oil Cooling * Heavy-Duty Air Filter * Dual Active Exhaust * Trailer Camera Provisions * Trailer Side Blind Zone Alert * Hitch Guidance * Hitch View * in-Vehicle Trailering System App * Integrated Trailer Brake Controller * Red Recovery Hooks * 3.23 Rear Axle Ratio * Power steering * Front anti-roll bar ### From the store Call us at 512-954-9290 Introducing the 2026 GMC Sierra 1500 AT4, built for those who demand capability and refinement in equal measure. This stunning white crew cab short box combines the raw power of an EcoTec3 6.2L V8 engine with the sophistication of premium Jet Black leather with Kalahari accents. The AT4 is engineered for serious off-road adventure while delivering the comfort and technology you expect on every drive. \- Power Sunroof \- Technology Package \- Active Exhaust with Dual Sport-Mode \- AT4 Premium Package \- Wireless Apple CarPlay and Android Auto Integration \- Premium Bose 7-Speaker Sound System with SiriusXM \- Heated and Ventilated Front Seats with Memory \- Off-Road Suspension and Auto-Locking Rear Differential \- Multicolor 15" Head-Up Display \- Spray-on Pickup Bedliner with GMC Logo With 4WD capability, an integrated trailering system, and advanced safety features including rear cross traffic braking and ultrasonic park assist, this Sierra handles any challenge. The 10-speed automatic transmission and 220-amp alternator ensure smooth, reliable performance whether you're navigating city streets or conquering backcountry terrain. Visit us today to experience the power, technology, and luxury of the 2026 Sierra 1500 AT4. Call us at 512-954-9290 Price includes: $6250 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026 ## Check availability Close 2026 GMC Sierra 1500 AT4Stock TR496788 · 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 1500 AT4Stock TR496788 · 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 1500 AT4Stock TR496788 · 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 1500 Denali in Dune](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F6ad80000-921b-4b4e-b374-39c29e104117.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Sierra 1500 DenaliDune · 4WDMSRP $79,789Total savings $14,615Price$65,174Stock TZ309875 · VIN 1GTUUGEL4TZ309875](/inventory/new-2026-gmc-sierra-1500-denali-4wd-4d-crew-cab-1gtuugel4tz309875/)[![2026 GMC Sierra 1500 AT4 in Dune](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F7e989d4d-e4ef-4392-aeae-7ae0328abc7d.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Sierra 1500 AT4Dune · 4WDMSRP $74,160Total savings $8,250Price$65,910Stock TZ542268 · VIN 1GTUUEE88TZ542268](/inventory/new-2026-gmc-sierra-1500-at4-4wd-4d-crew-cab-1gtuuee88tz542268/)[![2026 GMC Sierra 1500 Denali in Onyx Black](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fe6f929c0-614b-4254-89e2-af5efba90bc7.png&w=3840&q=80)Used · Covert Buick GMC Bee Cave2026 GMC Sierra 1500 Denali2,170 mi · Onyx Black · 4WDPrice$62,654Stock G485382A · VIN 3GTUUGE8XTG127366](/inventory/used-2026-gmc-sierra-1500-denali-4wd-4d-crew-cab-3gtuuge8xtg127366/)[![2027 Ram 1500 Laramie in Green Metallic](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2F61fbd58b-81ac-4330-a2bd-71e6e504df85.png&w=3840&q=80)New · Covert CDJR Bee Cave2027 Ram 1500 LaramieGreen Metallic · 4WDMSRP $77,480Total savings $11,193Price$66,287Stock VN599109 · VIN 1C6SRFJP2VN599109](/inventory/new-2027-ram-1500-laramie-4wd-4d-crew-cab-1c6srfjp2vn599109/)[![2026 Ram 1500 Big Horn/Lone Star in Diamond Black](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fa5805a8e-5491-48ef-950a-0f5806f343f9.png&w=3840&q=80)New · Covert CDJR Bee Cave2026 Ram 1500 Big Horn/Lone StarDiamond Black · 4WDPrice$66,545Stock TN278327 · VIN 1C6SRFFT3TN278327](/inventory/new-2026-ram-1500-big-horn-lone-star-4wd-4d-crew-cab-1c6srfft3tn278327/)[![2026 GMC Canyon Elevation in Onyx Black](/_next/image/?url=https%3A%2F%2Fassets.cai-media-management.com%2Fresize%2F1024x1024%2Fcommon-vehicle-media%2Fa7f33ead-7b68-4413-9d02-fdf57906debd.png&w=3840&q=80)New · Covert Buick GMC Bee Cave2026 GMC Canyon ElevationOnyx Black · 4WDPrice$59,189Stock T1199609 · VIN 1GTP2BEK7T1199609](/inventory/new-2026-gmc-canyon-elevation-4wd-4d-crew-cab-1gtp2bek7t1199609/)