---
id: is-the-sierra-1500-at4-an-off-road-truck
title: "Is the Sierra 1500 AT4 an off-road truck?"
category: faq
subtopic: sierra-at4-offroad
page_type: faq
source_url: "https://www.markquartmotors.com/research/gmc/sierra-1500/trim.htm"
tags: ["GMC", "Sierra 1500", "AT4 trim", "off-road", "diesel"]
questions:
  - "What makes the AT4 good for off-roading?"
  - "Does the AT4 have a diesel engine?"
  - "What are AT4 suspension features?"
related: [sierra-trim-overview, sierra-slt-v8]
dealer: Markquart Motors
---

The 2025 Sierra 1500 AT4 is purpose-built for off-road performance and luxury. It's powered by a 3.0L Duramax Turbo-Diesel engine with a 10-speed automatic, delivering impressive torque and efficiency for challenging terrain. The AT4 rides on aggressive 18-inch Goodyear Wrangler Territory mud-terrain tires and features off-road-tuned suspension, integrated trailer brake controller, and a Tailgate with EZ Lift assist and power lock. Premium interior touches include a Bose Premium Sound System, heated rear outboard seats, automatic Rainsense wipers, and available Head-Up Display. The AT4 balances rugged capability with refined comfort-perfect for adventure seekers. Call (715) 833-0444 to test drive an AT4 at Markquart Motors in Chippewa Falls.