We're taking a closer look at this pre-refresh Chevy Silverado Trail Boss LT and refreshed GMC Sierra AT4 in the following GM Authority Photo Comparison.

GMC Canyon AT4 is here, and SlashGear put it to the test. Here's everything you need to know about its specs, pricing, and ...

After launching its Sierra EV full-size electric truck exclusively in Denali specification, GMC is expanding the lineup by ...

We’re finally starting to see some 2025 GMC Sierra EVs on the road, and now GM's luxury and upmarket truck and SUV brand ... its first-ever all-electric AT4 trim complete with 35-inch tires ...

When you want to go off-road, uptown-style, GMC supports ... off-roading -- the HD AT4 -- has an MSRP that starts at $70,100.

The 2026 GMC Sierra EV AT4 provides off-roading upgrades that would have been useful when I got stuck in the mud.

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title ...

Electric 2020 GMC Sierra 2500HD AT4 on Track at Speed In-cab video clip of Magna's 2020 GMC Sierra 2500 BEV being driven at speed on the 1.5-mile road course at M1 Concourse. Related Videos ...

That’s because the new truck is based on the 2021 GMC Canyon AT4 Concept. GMC claims the new AT4X is the most advanced, off-road ready mid-size truck. To check the merit of this claim ...