2026 GMC Sierra 2500 HD SLT



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  • $81,325 FINAL PRICE

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Vehicle Information

VIN: 1GT4UNEY7TF291146
Stock #: 260789
Model Code: TK20743
  • Condition New
  • Body Style Crew Cab
  • Exterior Color Onyx Black
  • Interior Color Jet Black, Perforated Leather-Appointed Front Outboard Seating Positions
  • Engine 6.6L Duramax Turbo-Diesel V8 engine
  • Transmission Automatic
  • Fuel Type Diesel Fuel

Highlighted Features

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

Dealer Comments

Vehicle Details
Take on demanding jobs and everyday driving with confidence in this 2026 GMC Sierra 2500 SLT 4WD, powered by a V8 6.6L Diesel engine. Built for serious capability, this heavy-duty pickup delivers strong towing performance, impressive durability, and refined comfort in one well-equipped package. The Off-Road Package adds extra confidence when the pavement ends, making this GMC Sierra ready for work sites, ranch roads, and weekend adventures alike. Inside, premium Leather Seats create a comfortable and upscale cabin for long drives and busy days. Modern technology keeps you connected with Android Auto and Apple CarPlay, giving you seamless access to navigation, music, calls, and more through the intuitive infotainment system. Lane Departure Warning adds an important layer of driver assistance, helping support awareness on the highway and during daily commutes. With its bold GMC styling, advanced features, and proven diesel power, this GMC Sierra 2500 SLT is a smart choice for drivers who need strength without sacrificing comfort. Whether you are hauling equipment, towing a trailer, or heading out for a road trip, this truck is engineered to handle the task with confidence. Located in Stephenville, TX, this 2026 GMC Sierra 2500 SLT is ready for your next big move.

Equipment
The GMC Sierra warns of approaching vehicles with Cross-Traffic Alert. The GMC Sierra is pure luxury with a heated steering wheel. This 2026 GMC Sierra 2500 has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. This 3/4 ton pickup's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. The leather seats in this GMC Sierra are a must for buyers looking for comfort, durability, and style. Never get into a cold vehicle again with the remote start feature on this model. This model features a hands-free Bluetooth® phone system. An off-road package is installed on it so you are ready for your four-wheeling best. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving this GMC Sierra. Anywhere on the planet, you will have hundreds of digital stations to choose from.

Packages
SLT Convenience Package: Ventilated Driver and Front Passenger Seats; Bose Premium 7-Speaker Sound System; 2 Charge/data USB Ports Inside Center Console; LED Smoked Amber Roof Marker Lamps; Wireless Charging; Front Bucket Seats. Texas SLT Premium Package: Texas Edition Badging; Spray-On Pickup Bedliner with GMC Logo; 6" Rectangular Chromed Tubular Assist Steps. X31 Off-Road Package: Off-Road Suspension; Hill Descent Control; Skid Plates. Sierra HD Pro Safety Plus Package: HD Surround Vision; Trailer Side Blind Zone Alert; Rear Cross Traffic Alert; Ultrasonic Front and Rear Park Assist; Safety Alert Seat; Trailer Cam Provisions and Trailer Viewing Software; Bed View Camera with Two Trailer Camera Provisions. Preferred Equipment Group 4SA: LED Cargo Area Lighting; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Electric Rear-Window Defogger; Chrome Surround Grille with Chrome Insert Bars; Unauthorized Entry Theft-Deterrent System; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; 2 Charge/data USB Ports; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports;

All Features

Texas SLT Premium Package

    X31 Off-Road Package


      • DriveType
        • DriveType: Four Wheel Drive
      • Fuel Economy
        • City: 0 MPG
        • Hwy: 0 MPG
        • Combined: 0 MPG
      • Fuel System
        • Fuel System: Direct Injection
      • Fuel Tank Capacity
        • Fuel Tank Capacity: 36 gal
      • Fuel Type
        • Fuel Type: Diesel Fuel
      • Horse Power
        • Horse Power: 470
      • Rear Wheel
        • Rear Wheel: Single
      • Trailering Capacity
        • Trailering Capacity: 18500 lbs

      Warranty

      • Corrosion: 3 Years/36,000 Miles Rust-Through 6 Years/100,000 Miles
      • Roadside Assistance: 5 Years/60,000 Miles 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 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)