2026 GMC Sierra 2500 HD SLT



In Stock
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  • $85,155 FINAL PRICE

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Vehicle Information

VIN: 1GT4UNEY6TF293258
Stock #: 260587
Model Code: TK20743
  • Condition New
  • Body Style Crew Cab
  • Exterior Color Sterling Metallic
  • Interior Color Dark Walnut/Slate, 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
Meet the 2026 GMC Sierra 2500 SLT - a commanding 4WD diesel powerhouse waiting in Stephenville, TX. Powered by a stout V8 6.6L Duramax diesel, this GMC Sierra is engineered for serious towing, hauling, and confident performance on any job site or weekend escape. With rugged capability and refined comfort combined, it's a truck that handles hard work without sacrificing a premium driving experience. Step inside to discover upscale appointments and intuitive tech: a BOSE stereo delivers rich, immersive sound while Steering Wheel Audio Controls keep entertainment and calls within easy reach. Advanced safety features include a Back-Up Camera for precise maneuvering, Lane Departure Warning to help keep you centered, and Cross-Traffic Alert for added awareness in busy parking situations. The SLT trim balances luxury touches and practical convenience - comfortable seating, durable materials, and smart storage make long days easier. Outside, bold GMC styling and a tough stance announce capability and presence. The 4WD system and diesel torque provide confident traction and the muscle you need for trailering and demanding tasks. Whether it's towing equipment, exploring rough roads, or cruising Texas highways, this GMC Sierra delivers dependable performance and modern conveniences. Located in Stephenville, TX, this 2026 GMC Sierra 2500 SLT with V8 6.6L Diesel is ready for you to experience. Schedule a test drive today and feel the strength, technology, and refinement this truck offers.

Equipment
Bluetooth® technology is built into the GMC Sierra, keeping your hands on the steering wheel and your focus on the road. The steering wheel audio controls on the vehicle keep the volume and station within easy reach. An off-road package is equipped on the vehicle. The leather seats in this GMC Sierra are a must for buyers looking for comfort, durability, and style. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving it. Anywhere on the planet, you will have hundreds of digital stations to choose from. This unit comes equipped with Android Auto for seamless smartphone integration on the road. Start this 2026 GMC Sierra 2500 from inside with remote start. This 3/4 ton pickup is pure luxury with a heated steering wheel. This vehicle has auto-adjust speed for safe following. This vehicle features a high end BOSE stereo system. This 2026 GMC Sierra 2500's Lane Departure Warning keeps you safe by alerting you when you drift from your lane.

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. X31 Off-Road and Protection Package: 20" Bright Face Wheels with Dark Painted Pockets; LT275/65R20 AT BW Tires; Spray-On Pickup Bedliner with GMC Logo; All-Weather Floor Liners. X31 Off-Road Package: Off-Road Suspension; Hill Descent Control; Skid Plates. SLT Premium Package: Spray-On Pickup Bedliner with GMC Logo; 6" Rectangular Chromed Tubular Assist Steps. 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 Are

Eligible Benefits

No Monthly Payments for 130 Days for Well-Qualified Buyers When Financed w/ GM Financial

All Features

SLT Premium Package

    X31 Off-Road and Protection Package

      Gooseneck / 5th Wheel Prep Package -- Hitch platform to accept Gooseneck or 5th Wheel hitch.

        LPO, Hitch 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)