Reduced by $3,790 since Jul 01, 2026

2026 GMC Sierra 1500 AT4



In Stock
  • $69,830 FINAL PRICE

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Vehicle Information

VIN: 3GTUUEEL1TG377619
Stock #: 260627
Model Code: TK10543
  • Condition New
  • Body Style Crew Cab
  • Exterior Color Summit White
  • Interior Color Jet Black With Kalahari Accents, Perforated Leather Front Seat Trim
  • Fuel Economy
    City/Highway 14/17 MPG
  • Engine 6.2L EcoTec3 V8 engine
  • Transmission Automatic
  • Fuel Type Gasoline Fuel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

Vehicle Details
Experience premium capability and refined comfort in this 2026 GMC Sierra 1500 AT4 4WD, now available in Stephenville, TX. Built for drivers who want rugged performance with advanced technology, this GMC Sierra AT4 is powered by a commanding V8 6.2L gasoline engine that delivers confident acceleration and impressive towing capability for work or weekend adventure. The AT4 trim adds bold styling, off-road readiness, and a driver-focused cabin designed to keep you in command on every drive. Inside, you'll find a smartly equipped interior with Apple CarPlay, Navigation, Steering Wheel Audio Controls, Adaptive Cruise Control, and Hands Free Bluetooth® for seamless connectivity and convenience. Whether you are navigating job sites, heading out on the highway, or exploring back roads, this GMC Sierra 1500 offers the versatility and comfort you expect from a premium full-size pickup. With 4WD capability, the 2026 GMC Sierra 1500 AT4 is engineered to handle changing road conditions and challenging terrain with confidence. Its strong stance, advanced features, and upscale design make it an excellent choice for drivers seeking a dependable truck with modern technology and serious performance. Visit us in Stephenville TX to take a closer look at this impressive GMC Sierra 1500 AT4 today.

Equipment
The steering wheel audio controls on this model keep the volume and station within easy reach. This GMC Sierra features a high end BOSE stereo system. You'll never again be lost in a crowded city or a country region with the navigation system on this model. It offers Apple CarPlay for seamless connectivity. This vehicle's Lane Departure Warning helps keep you in your lane. This 2026 GMC Sierra 1500 is equipped with the latest generation of XM/Sirius Radio. Never get into a cold vehicle again with the remote start feature on the GMC Sierra. Bluetooth® technology is built into this model, keeping your hands on the steering wheel and your focus on the road. The leather seats in this 2026 GMC Sierra 1500 are a must for buyers looking for comfort, durability, and style. This 2026 GMC Sierra 1500 has auto-adjust speed for safe following. This vehicle is pure luxury with a heated steering wheel.

Packages
AT4 Premium Package: Off-Road High Clearance Step. Technology Package: Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror. Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Black Chrome Grille Insert Bars; Front Rain-Sensing Wipers; Heavy-Duty Air Filter; Skid Plates; 120-Volt Interior Power Outlet; Heated Driver and Front Outboard Passenger Seating; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Color-Keyed Carpeting Floor Covering; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Premium Bose 7-Speaker Sound System; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Power Rake and Telescoping Steering Column; Keyless Open and Start; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; 220 Amp Alternator; Floor-Mounted Center Console; Rear Cross Traffic

All Features

AT4 Premium Package

    Technology Package


      • DriveType
        • DriveType: Four Wheel Drive
      • Fuel Economy
        • City: 14 MPG
        • Hwy: 17 MPG
        • Combined: 15 MPG
      • Fuel System
        • Fuel System: Direct Injection
      • Fuel Tank Capacity
        • Fuel Tank Capacity: 24 gal
      • Fuel Type
        • Fuel Type: Gasoline Fuel
      • Horse Power
        • Horse Power: 420
      • Rear Wheel
        • Rear Wheel: Single
      • Trailering Capacity
        • Trailering Capacity: 9000 lbs

      Warranty

      • Corrosion: 3 Years/36,000 Miles Rust-Through 6 Years/100,000 Miles
      • Roadside Assistance: 5 Years/60,000 Miles Sierra TurbomaxTm Engines, 3.0L & 6.6L Duramax® Turbo-Diesel Engines, And Certain Commercial, Government, And Qualified Fleet Vehicles: 5 Years/100,000 Miles
      • Drivetrain: 5 Years/60,000 Miles Sierra TurbomaxTm Engines, 3.0L & 6.6L Duramax® Turbo-Diesel Engines, And Certain Commercial, Government, And Qualified Fleet Vehicles: 5 Years/100,000 Miles
      • Warranty: <<< Preliminary 2026 Warranty >>>
      • Basic: 3 Years/36,000 Miles
      • Maintenance: First Visit: 12 Months/12,000 Miles
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      May not represent actual vehicle. (Options, colors, trim and body style may vary)