Covert Bee Cave, a family tradition since 1909Covert Bee Cave, a family tradition since 1909

Home / New vehicles / GMC / Sierra 1500

New · Covert Buick GMC Bee Cave

2026 GMC Sierra 1500 AT4X

VIN 3GTUUFE83TG432542 · Stock TG432542

2026 GMC Sierra 1500 AT4X in Summit White, photo 1 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 2 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 3 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 4 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 5 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 6 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 7 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 8 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 9 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 10 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 11 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 12 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 13 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 14 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 15 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 16 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 17 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 18 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 19 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 20 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 21 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 22 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 23 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 24 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 25 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 26 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 27 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 28 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 29 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 30 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 31 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 32 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 33 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 34 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 35 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 36 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 37 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 38 of 392026 GMC Sierra 1500 AT4X in Summit White, photo 39 of 39
39 photos

Details

MPG city / highway
19 / 20
Engine
3.0L I6
Transmission
10-speed automatic
Drivetrain
4WD
Body
4D Crew Cab
Exterior
Summit White
Interior
Obsidian Rush
Fuel
Diesel

Equipment 159

Packages

  • Black Badging Package
  • Preferred Equipment Group 4SG
  • Trailering Package

Safety

  • Emergency communication system: OnStar
  • Security system
  • Theft Deterrent System (unauthorized Entry)
  • Automatic Emergency Braking
22 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 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
  • 12 Speakers
  • 3 Years SiriusXM
  • AM/FM radio: SiriusXM with 360L
19 more
  • Bose Premium Series with 12- Speaker System
  • MultiPro Tailgate Audio System by Kicker
  • 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
  • Heads-Up Display
  • 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
59 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 moonroof
  • 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
  • Garage door transmitter
  • Genuine wood dashboard insert
  • Genuine wood door panel insert
  • 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 Seating
  • Heated front seats
  • Heated rear seats
  • 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
20 more
  • Black GMC Emblems
  • Black Sierra Nameplates
  • Front License Plate Kit
  • Gloss Black Header with Dark Nickel Grille Insert Bars
  • GMC MultiPro Tailgate Step Lights
  • 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: 18" x 8.5" Painted 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
16 more
  • Driver-Selectable Full-Locking Front Differential
  • Driver-Selectable Full-Locking Rear Differential
  • 220 Amp Alternator
  • Block heater
  • Engine Block Heater
  • Heavy-Duty Air Filter
  • Trailer Camera Provisions
  • Trailer Side Blind Zone Alert
  • Hitch Guidance
  • Hitch View
  • in-Vehicle Trailering System App
  • Integrated Trailer Brake Controller
  • Trailer Tire Pressure Monitor System
  • 3.23 Rear Axle Ratio
  • Power steering
  • Front anti-roll bar

From the store

Call us at 512-954-9290

Meet the 2026 GMC Sierra 1500 AT4X—a premium crew cab built for those who demand capability and sophistication. This new diesel-powered truck delivers a perfect blend of advanced technology, rugged off-road performance, and refined comfort, all wrapped in striking white with obsidian rush leather interior.

- Bose Premium Series with 12-Speaker System and MultiPro Tailgate Audio by Kicker

- Driver-Selectable Full-Locking Front and Rear Differentials for serious off-road traction

- Off-Road Suspension with Hill Descent Control and integrated trailering system

- Multicolor 15" Head-Up Display with HD Surround Vision and Bed View Camera

- MultiPro Tailgate with integrated step lights and power sliding rear window

- Heated and ventilated premium leather seating with 16-way power adjusters

- Advanced safety package: Automatic Emergency Braking, Lane Keep Assist, Rear Cross Traffic Braking

- Power sunroof, wireless charging, and dual-zone climate control

- 3.0L Turbo Diesel engine with 10-speed automatic transmission delivering 19 city/20 highway MPG

- Comprehensive technology: wireless Apple CarPlay/Android Auto, SiriusXM 3-year subscription, OnStar capable

The AT4X trim elevates the Sierra 1500 to luxury truck territory with its premium components, distinctive black badging package, and aggressive off-road high-clearance steps. Whether you're tackling challenging terrain or enjoying creature comforts on the highway, this truck delivers on all fronts. Visit us to experience the commanding presence and capability this premium diesel truck offers.

Call us at 512-954-9290 Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026 $6250 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026

Check availability

2026 GMC Sierra 1500 AT4XStock TG432542 · Covert Buick GMC Bee Cave

An email or a phone number is enough.

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

2026 GMC Sierra 1500 AT4XStock TG432542 · Covert Buick GMC Bee Cave

An email or a phone number is enough.

By submitting, you agree that Covert Buick GMC Bee Cave may contact you about this request by phone, text or email.

Ask a question

2026 GMC Sierra 1500 AT4XStock TG432542 · Covert Buick GMC Bee Cave

An email or a phone number is enough.

By submitting, you agree that Covert Buick GMC Bee Cave may contact you about this request by phone, text or email.