---
id: what-trim-levels-are-available-on-the-new-gmc-sierra-hd
title: "What trim levels are available on the new GMC Sierra HD?"
category: faq
subtopic: sierra-hd-trims
page_type: faq
source_url: "https://www.markquartmotors.com/new-inventory/gmc/sierra-hd.htm"
tags: ["gmc", "sierra-hd", "trims", "at4", "denali"]
questions:
  - "What's the difference between Sierra 2500 HD and 3500 HD?"
  - "What trim options does the Sierra HD come in?"
  - "What is the AT4X vs AT4 trim?"
  - "Can I get a Denali Sierra HD?"
related: [sierra-hd-overview]
dealer: Markquart Motors
---

The 2026 GMC Sierra HD is available in multiple trims to match different needs and budgets. You'll find AT4, AT4X, and Denali options across both the Sierra 2500 HD and Sierra 3500 HD models in our current inventory.

Each trim brings different levels of capability, comfort, and technology. The AT4 and AT4X emphasize off-road and work readiness, while the Denali focuses on premium comfort and luxury. Both gasoline and diesel engine choices are available on several trims.

To learn more about specific trim features, capability differences, and which one fits your work or lifestyle best, browse our online inventory or call (715) 833-0444. Our sales team can walk you through the details and help you find the right match.