Here’s what makes the GMC Sierra AT4 a fantastic off-road vehicle

Pickup trucks have not only stood the test of time, but have remained relevant and popular consistently over the decades. As a result of their success, pickup manufacturers have experimented with a wide range of designs and constructions over the years, using GMC trucks as a good example.

For the past 110 years General Motors Company has focused its efforts on building versatile trucks for the everyday American. A prominent GMC truck, and our focus today, is the GMC Sierra, which made its debut in 1988 as a full-size light truck.

Under the Sierra label, there have been a number of popular trucks, including the GMC Sierra AT4. This particular truck made its debut in 2018 as the leading rival to the Ford F-150 Raptor. It weighs half a ton and is specially built to conquer nature.

To stay up to date with the evolution of the GMC Sierra AT4, here is everything we know about the 2021 GMC Sierra AT4.

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AT4 is a solid middle ground

If you are planning to buy a 2021 Sierra, there are five trim options to choose from. These options include the standard, SLE Elevation, SLT, AT4 and Denali. Each trim comes with different overall specifications and engine configurations.

AT4 is the middle ground when it comes to choosing a good 2021 Sierra variant, given that it sits between the most powerful trim, which is Denali, and the middle class, SLT. Under the hood of the AT4 sits a 3.1-liter inline-six diesel engine. Alternatively, you can choose a 6.2-liter EcoTec V8 engine. This engine is mated to a 10-speed automatic transmission. This driveline configuration has an output of 277 hp at 3,750 rpm and 460 lb-ft of torque at 1,500 rpm.

This power is delivered to the trucks’ four-wheel drive driveline. If you are considering upgrading your AT4 from a base model to a beast, you can do so with the available AT4 packages.

These packages include a premium package of $ 3,200, a value package of $ 2,105, a terrain package worth $ 2,570, a technical package that costs $ 2,075 and a performance package that goes for $ 2,275. Other packages include a cargo package and a preferred package that goes for $ 515 respectively $ 1,420.

GM Sierra AT4 has lots of useful technology

To go off-road, you actually do not need a robust interior. GMC has proven that you can still have luxury even in the tough terrain. AT4 comes with 10-way adjustable front bucket seats that are ventilated and perforated for proper circulation. The interior is carbon black with a touch of Kalahari accents.


With the 2021 GMC Sierra AT4, you get a state-of-the-art technological gadget that makes your driving and / or driving experience worth it. This truck is equipped with 15 camera views that give you plenty of time when you park and drive.

You also get a 15-inch diagonal display that gives you access to important information, including speed, sound, navigation, safety warnings and an off-road inclinometer. For towing, GMC offers a prograde towing system that connects to both Android and iOS devices.

Other technological advances on the AT4 include a bed zoom feature that offers a close-up when coupling a trailer. You also get a 7- or 8-inch touch screen as standard with the infotainment system AT4, which also comes with Android Auto, Apple CarPlay, Wi-Fi and hotspot connection.


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AT4 is a safe and relatively affordable truck

There is no doubt that the exterior of the 2021 GMC Sierra AT4 is screaming off-road. This truck is in a high and confident position. It rides on a standard 2-inch suspension lift that gives you more than enough ground clearance.

You can choose to have your truck ride on either 18-inch tires or alternatively bulky and powerful 20-inch tires. If you go for a modern and light truck, you can choose to have the AT4 carbon pro edition that has a carbon fiber composite bed.

As a modern truck, the AT4 is one of the most affordable trucks in its category, and according to Ride and Track, this pickup has a starting price of about $ 65,000.

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