---
id: what-engine-options-are-available-in-the-2025-gmc-sierra-hd
title: "What engine options are available in the 2025 GMC Sierra HD?"
category: faq
subtopic: sierra-hd-engines
page_type: faq
source_url: "https://www.markquartmotors.com/new-inventory/gmc/sierra-hd.htm"
tags: ["GMC Sierra HD", "engines", "performance", "diesel"]
questions:
  - "What engines does the GMC Sierra HD have?"
  - "Is there a diesel option for the Sierra HD?"
  - "How much horsepower does the Sierra HD engine have?"
related: [sierra-hd-towing, sierra-hd-performance]
dealer: Markquart Motors
---

The 2025 GMC Sierra HD offers powerful engine choices to match your needs.

The standard 6.6-liter V-8 gas engine delivers 401 horsepower and 464 lb-ft of torque. If you want maximum pulling power, an available turbocharged diesel 6.6-liter V-8 engine produces up to 470 horsepower and 975 lb-ft of torque-that's serious capability for heavy hauling. Both engines pair with a 10-speed automatic transmission.

Visit Markquart Motors in Chippewa Falls to test drive a Sierra HD and feel the power yourself. Call (715) 833-0444 to discuss which engine fits your work or lifestyle best.