2026 GMC Sierra 2500HD SLT

Vehicle Description

2026 GMC Sierra 2500HD SLT Crew Cab 4WD for Sale in Mobridge, SD



Built to work, equipped to impress — this 2026 GMC Sierra 2500HD SLT Crew Cab 4WD brings serious heavy-duty capability together with the premium comfort and technology South Dakota and North Dakota truck buyers expect. Powered by the 6.6L V8 gas engine and the legendary Allison 10-Speed Automatic transmission, it's ready to tow stock trailers, hay loads, RVs, and goosenecks across the prairie without breaking a sweat.



Inside, the SLT trim is loaded with the SLT Premium Package, SLT Preferred Package, and SLT Convenience Package with Storage — a combination that delivers heated and ventilated front seats, heated rear seats, a 13.4-inch color touchscreen with Google Built-In, Bose premium audio, HD Surround Vision Plus, adaptive cruise control, and a power sliding rear window. Outside, the X31 Off-Road Package, 20-inch bright face dark painted wheels, all-terrain tires, and Sterling Metallic dark painted finish give this Sierra a presence as capable as it is refined.



2026 GMC Sierra 2500HD SLT Crew Cab 4WD — Stock #6W74




  • Drivetrain: Four-Wheel Drive (4WD) with Auto Locking Rear Differential

  • Engine: 6.6L V8 Gasoline

  • Transmission: Allison 10-Speed Automatic

  • Exterior Color: Sterling Metallic (Dark Painted)

  • Interior: Dark Walnut / Slate

  • Packages: SLT Preferred Package, SLT Premium Package, SLT Convenience Package with Storage, and X31 Off-Road Package

  • Towing & Trailering: Trailering Package, Integrated Trailer Brake Controller, Vehicle Trailering App, Trailer Camera Provisions, Trailer Side Blind Zone Alert, and 10,850 lbs. GVWR

  • Interior Comfort: Heated and ventilated front bucket seats, heated rear seats, heated wrapped steering wheel, 10-way power driver seat with memory, mirror memory, and dual-zone climate control

  • Technology: Premium GMC Infotainment System with 13.4-inch diagonal color touchscreen and Google Built-In, 12.3-inch driver information display, wireless Apple CarPlay® and Android Auto™, wireless phone charging, Bose premium audio, SiriusXM®, and OnStar® capability

  • Safety: HD Surround Vision Plus, Adaptive Cruise Control, Forward Collision Alert, Front Pedestrian Braking, Following Distance Indicator, Safety Alert Seat, Rear Cross Traffic Alert, Side Blind Zone Alert, Rear Park Assist, Bed View Camera, and Animated LED Headlamps

  • Convenience: Remote Start, Keyless Open and Start, Power Sliding Rear Window, CornerStep Rear Bumper, 120V Power Outlets in Cargo Bed and Instrument Panel, and LED Cargo Area Lighting

  • Exterior Highlights: 20-inch Bright Face Dark Painted Wheels with All-Terrain Tires, Spray-On Bedliner, LED Roof Marker Lamps, LED Fog Lamps, Animated LED Projector Headlamps, Chrome Recovery Hooks, and Sierra HD Pro Safety Package



Expert Insights


According to Kelley Blue Book and Edmunds, the 2026 GMC Sierra 2500HD continues to set the benchmark for heavy-duty trucks with its smooth-shifting Allison 10-speed transmission, refined SLT cabin, and class-leading trailering technology. Reviewers consistently highlight the upright proportions, premium interior materials, and the confidence the SLT trim delivers in real-world towing and hauling — exactly the kind of capability ranchers, farmers, and contractors across the Plains depend on.



Visit Beadle Chevrolet–GMC in Mobridge, SD


Come see this 2026 GMC Sierra 2500HD SLT Crew Cab 4WD at Beadle Chevrolet–GMC in Mobridge, South Dakota. We serve customers from Aberdeen, SD, Bismarck, ND, and Pierre, SD — all within two hours. Call us at 605-845-7277 or visit beadleautogroup.com to schedule your test drive!

VIN 1GT4UNE7XTF266720
Stock Number 6W74
Condition NEW
Year 2026
Make GMC
Model Sierra 2500HD
Package SLT
Mileage NEW
Body Style Pickup - Full Size
Engine 6.6L V8 Gasoline
Fuel Gas
Transmission Automatic
Drive Type 4 Wheel
Color Sterling Metallic
Interior Dark Walnut/Slate
Engine
Engine Type 6.6L V8 Gasoline
Fuel
Type GAS
Capacity
Drivetrain
Driven Wheels 4 Wheel
Technical Specifications