2026 GMC Sierra 3500HD

The 2026 GMC Sierra 3500HD Denali represents professional-grade capability paired with refined comfort for those who demand both performance and sophistication in their heavy-duty truck.

- Duramax 6.6L V8 Turbodiesel with 470 hp and 975 lb-ft of torque
- 4WD with 2-Speed Active Transfer Case and Off-Road Suspension
- Gooseneck/5th Wheel Prep Package for serious towing and hauling
- Snow Plow Prep/Camper Package with 220-amp alternator and skid plates
- Denali Reserve Package with Power Sunroof and Technology Package
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- Multicolor 15'' Head-Up Display and Auto-Dimming Rearview Mirror with Camera
- Bose Premium 7-Speaker Sound System with Wireless Phone Projection
- Heated and Ventilated Front Seats with 12-Way Power Adjustment
- Trailer Tire Pressure Monitor Sensors with In-Vehicle Trailering App
- Universal Home Remote and Push Button Start with Remote Vehicle Starter
- Heated Steering Wheel and Power Sliding Rear Window with Defogger
- Ultrasonic Front and Rear Park Assist with Trailer Side Blind Zone Alert
- 20'' Ultra-Bright Machined Alloy Wheels with Spray-On Bedliner
- SiriusXM with 360L Trial Subscription and Wireless Charging

This heavily equipped Sierra 3500HD arrives as a Certified Carfax vehicle with no accidents and one owner, presenting just 4,013 miles on the odometer. The Silver exterior is complemented by power-retractable assist steps with LED perimeter lighting and bright accents, establishing the Denali's commanding presence before you even reach the driver's seat. The truck's substantial capability is matched by its refined appointments, featuring genuine wood dashboard and door panel inserts alongside Forge Perforated Leather seat trim.

The diesel engine delivers impressive torque for towing and payload demands, while the comprehensive trailering packages indicate this truck was specifically ordered with professional work in mind. The gooseneck and fifth-wheel prep package positions this Sierra for serious hauling applications, complete with stamped bed holes and a bed-mounted seven-pin trailer harness. The snow plow prep package adds essential infrastructure for seasonal work or auxiliary equipment installation.

Inside the cabin, technology and comfort work seamlessly together. The GMC Premium Infotainment System integrates with wireless phone projection and steering wheel audio controls, while the 15-inch head-up display keeps critical information within your line of sight. Safety features include automatic emergency braking, forward collision alert, and lane departure warning, alongside the advanced camera systems designed specifically for trailering scenarios. Heated and ventilated seating provides year-round comfort, and the heated steering wheel proves practical during cold season operation.

The comprehensive feature set reflects genuine heavy-duty truck construction rather than cosmetic upgrades. The engine block heater, trailer tire pressure sensors, and hill descent control address real-world working conditions. The 220-amp alternator supports demanding electrical loads, and the transfer case skid plates protect critical components. This is a truck configured for function first, luxury second.

With Denali styling details including the signature chrome grille, polished exhaust tip, and LED cargo area lighting, this Sierra commands attention while remaining focused on the work ahead. The combination of capability, technology, and appointments makes this truck suitable for owners who refuse to compromise between professional performance and personal comfort.

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