Join us as we explore the factory performance of the rugged and capable GMC Sierra AT4 pickup truck! In this exciting video, we look at a baseline dyno test to get an accurate look at the factory performance numbers of this off-road beast.

The GMC Sierra AT4 is the epitome of a premium off-road pickup truck. It’s designed to handle the toughest terrain while maintaining the luxury and comfort you expect from GMC. With its distinctive AT4 trim level, this Sierra model boasts a unique combination of performance, technology, and style. Equipped with a powerful engine and an advanced suspension system, the AT4 is purpose-built for those who demand both capability and refinement from their trucks.

Now, let’s get into the nitty-gritty of our baseline dyno test. We’ll be strapping the Sierra AT4 onto our dynamometer to measure its stock power output and torque figures. This test will give us a solid foundation to compare with any future modifications we make to the truck’s performance. So, if you’re a fan of off-roading, truck enthusiasts, or just curious about the GMC Sierra AT4’s raw power, stick around, hit that subscribe button, and join us as we put this beast to the test!