
This 2026 GMC Sierra 3500HD SLT delivers commanding capability with a purpose-built diesel powerplant designed for serious work and reliable daily driving.
- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque
- 10-Speed Automatic transmission with 4WD
- GMC MultiPro Tailgate for enhanced functionality
- Premium GMC Infotainment System with 13.4 diagonal display
- Bose Premium 7-Speaker Sound System with SiriusXM 360L trial subscription
- Heated and ventilated leather-appointed front seats with 10-way power adjustment
- Adaptive Cruise Control with Forward Collision Alert
- HD Surround Vision with Bed View Camera and trailer camera provisions
- Lane Departure Warning and Automatic Emergency Braking
- Ultrasonic Front and Rear Park Assist
- Remote Vehicle Starter System and Push Button Start
- Gooseneck/5th Wheel Prep Package for towing flexibility
- Sierra HD Pro Safety Plus Package for enhanced protection
- Spray-on bedliner with GMC logo and LED cargo lighting
- Engine Block Heater for reliable cold-weather starts
The Duramax diesel engine is engineered to handle demanding applications while maintaining efficiency. With 975 lb-ft of torque available at 1600 rpm, this truck delivers the pulling power you need when you need it. The 10-speed automatic transmission optimizes performance across various driving conditions, and the 2-speed active transfer case provides control on any terrain.
Inside the cabin, you'll find genuine truck functionality paired with modern comfort. The heated and ventilated front seats adjust in 10 directions, accommodating drivers of all sizes. The Bose audio system connects you to premium sound, while the wireless phone projection and charging pad keep your devices powered throughout the day. Climate control with dual-zone automatic temperature adjustment ensures comfort for driver and passenger alike.
This Sierra 3500HD prioritizes your safety with a comprehensive suite of driver-assistance technologies. Automatic Emergency Braking, Lane Departure Warning, Forward Collision Alert, and Rear Cross Traffic Alert work together to help protect you and your passengers. The HD Surround Vision system provides a 360-degree view around the truck, making parking and maneuvering significantly easier.
The truck bed is built for work with the GMC MultiPro Tailgate offering multiple configurations for loading flexibility. The spray-on bedliner protects against wear, while LED cargo lighting illuminates your work area. Equipped with gooseneck and 5th wheel prep, this truck is ready for heavy-duty towing applications, and the Hitch Guidance system with Hitch View simplifies trailer connection.
Practical features throughout the truck enhance ownership. The remote vehicle starter gets your cab warm or cool before you arrive, while the engine block heater ensures reliable starting in cold conditions. Five upfitter switches allow for professional equipment integration, and multiple USB ports with wireless charging keep your technology accessible.
This 2026 GMC Sierra 3500HD SLT represents a complete truck package capable of serious work while offering the comfort and technology features you expect in modern trucks. We invite you to experience its capability firsthand at our showroom.
