---
id: 2026-gmc-sierra-hd-model-research-at-markquart-motors
title: "2026 GMC Sierra HD Model Research at Markquart Motors"
category: page
subtopic: sierra-hd-overview
page_type: page
source_url: "https://www.markquartmotors.com/research/gmc/sierra-hd.htm"
tags: ["GMC Sierra HD", "new vehicles", "heavy-duty truck", "research"]
questions:
  - "Tell me about the 2026 GMC Sierra HD"
  - "Where can I learn about the Sierra HD?"
  - "What makes the Sierra HD special?"
related: [sierra-hd-towing, sierra-hd-engine, sierra-hd-interior, sierra-hd-tech]
dealer: Markquart Motors
---

The 2026 GMC Sierra HD is engineered for demanding work and serious trailering, with a refined balance of extreme capability and premium craftsmanship. It's available in 2500 HD and 3500 HD configurations, powered by a robust 6.6L V8 gas engine or the legendary Duramax 6.6L Turbo-Diesel V8 with 470 horsepower and 975 lb-ft of torque. Key features include up to 36,000 pounds of max towing (3500 HD), advanced trailering-assistance technologies, up to 14 camera views with Transparent Trailer View, available massaging 16-way power seats, and signature LED lighting. The Sierra HD blends work-ready toughness with luxury-grade refinement. Markquart Motors in Chippewa Falls carries new Sierra HD models and offers sales, finance, service, and parts support. Browse our current inventory online or call (715) 833-0444 to schedule a test drive.