---
id: does-the-2025-gmc-sierra-1500-come-with-a-diesel-engine
title: "Does the 2025 GMC Sierra 1500 come with a diesel engine?"
category: faq
subtopic: sierra-diesel-at4
page_type: faq
source_url: "https://www.markquartmotors.com/research/gmc/sierra-1500/trim.htm"
tags: ["2025 GMC Sierra 1500", "AT4 trim", "diesel", "Duramax"]
questions:
  - "Does Sierra 1500 have a diesel option?"
  - "What engine does the AT4 have?"
  - "Which trim has the Duramax diesel?"
related: [sierra-trim-comparison, sierra-slt-trim]
dealer: Markquart Motors
---

Yes-the **2025 GMC Sierra 1500 AT4** is equipped with a **3.0L Duramax Turbo-Diesel engine** paired with a 10-speed automatic transmission. This powertrain delivers impressive torque and efficiency, making it ideal for owners seeking diesel capability combined with off-road performance.

The AT4 is built for adventure with off-road-tuned suspension, aggressive 18" Goodyear Wrangler mud-terrain tires, and an integrated trailer brake controller. Inside, you'll find premium features like a Bose Premium Sound System, heated rear outboard seats, and an available head-up display. The tailgate includes EZ Lift assist, power lock, and release for off-road utility, plus Rainsense automatic wipers add convenience in changing weather.

If diesel efficiency and off-road capability appeal to you, the AT4 is worth exploring. Call Markquart Motors at **(715) 833-0444** to discuss diesel Sierra 1500 options and schedule a test drive.