---
id: what-are-the-2025-gmc-sierra-1500-at4-and-denali-trims
title: "What are the 2025 GMC Sierra 1500 AT4 and Denali trims?"
category: faq
subtopic: sierra-at4-and-denali
page_type: faq
source_url: "https://www.markquartmotors.com/research/gmc/sierra-1500/trim.htm"
tags: ["GMC", "Sierra 1500", "AT4 trim", "Denali trim", "new vehicle", "diesel", "luxury"]
questions:
  - "What makes the AT4 different?"
  - "Does the Sierra 1500 come with a diesel engine?"
  - "What's the top trim Sierra 1500?"
  - "Is the Denali a luxury truck?"
related: [sierra-trim-overview, sierra-slt-trim]
dealer: Markquart Motors
---

The Sierra 1500 **AT4** is tailor-made for off-road adventure, equipped with a 3.0L Duramax Turbo-Diesel engine and 10-speed automatic, delivering impressive torque and efficiency. It features aggressive 18" Goodyear Wrangler Territory mud-terrain tires, off-road-tuned suspension, integrated trailer brake controller, and a Tailgate with EZ Lift assist. Premium touches include a Bose Premium Sound System, heated rear seats, an available Head-Up Display, and Rainsense automatic wipers. The **Denali**, GMC's pinnacle, brings refined luxury with exclusive features like Adaptive Ride Control and upscale interior materials. Both trims represent the top of the Sierra 1500 lineup-AT4 for off-road enthusiasts, Denali for premium comfort. Visit Markquart Motors in Chippewa Falls to experience both, or browse our new inventory online to find your perfect match.