---
id: what-engine-choices-are-available-in-the-new-gmc-sierra-1500
title: "What engine choices are available in the new GMC Sierra 1500?"
category: faq
subtopic: sierra-engine-options
page_type: faq
source_url: "https://www.markquartmotors.com/research/gmc/sierra-1500-vs-competition.htm"
tags: ["gmc", "sierra-1500", "engines", "performance"]
questions:
  - "What engines does the Sierra 1500 have?"
  - "GMC Sierra 1500 engine options"
  - "Which Sierra 1500 engine is best for towing?"
related: [sierra-vs-competitors, sierra-torque]
dealer: Markquart Motors
---

The 2025 GMC Sierra 1500 gives you four powerful engine options to match your needs. The standard 2.7L TurboMax engine delivers 310 horsepower and 430 lb-ft of torque-more torque than competitors' base engines. You can also upgrade to a 5.3L EcoTec3 V8, a 6.2L EcoTec3 V8, or a 3.0L Duramax Turbo-Diesel I6, each offering distinct capabilities and fuel economy. Every Sierra pairs with an 8-speed automatic transmission and 2-speed AutoTrac transfer case for smooth shifting and versatile terrain control. For extra performance, upgrades like a 10-speed transmission and factory-installed 2-inch suspension lift are available. With a maximum towing capacity up to 9,400 pounds, the Sierra is built to handle serious work. Call Markquart Motors at (715) 833-0444 to discuss which engine fits your lifestyle best.