---
id: what-makes-the-sierra-1500-at4-an-off-road-choice
title: "What makes the Sierra 1500 AT4 an off-road choice?"
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:
  - "Does the AT4 have diesel power?"
  - "What off-road features does the AT4 have?"
  - "What tires come on the AT4?"
related: [sierra-trim-overview, sierra-slt]
dealer: Markquart Motors
---

The Sierra 1500 AT4 is purpose-built for off-road performance and adventure, powered by a 3.0L Duramax Turbo-Diesel engine with a 10-speed automatic transmission, delivering impressive torque and efficiency for challenging terrain. Aggressive 18" LT275/65R18C Goodyear Wrangler Territory mud-terrain tires provide traction, complemented by off-road-tuned suspension for confident capability. Utility features include an integrated trailer brake controller and Tailgate with EZ Lift assist, power lock, and release. Inside, premium touches include a Bose Premium Sound System, heated rear outboard seats, and an available Head-Up Display for enhanced visibility. Rainsense automatic wipers handle changing weather. The AT4 combines rugged capability with refined comfort, ideal for adventurers who demand both performance and luxury. Call (715) 833-0444 to test drive an AT4.