GMC’s flagship electric truck is starting to fill out its lineup ... The AT4 will be the highest-riding Sierra, with 2 inches of additional lift thanks to lifted coil suspension and new 35-inch tires.

GMC Sierra 1500 AT4 Crew Cab model features a Summit White exterior as well as SCA Performance’s famous Black Widow package ...

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.

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

GMC Sierra 1500 SLE was purchased by the dealer that is selling it today seven years ago. The truck is now for sale ...

A popular criticism of electric vehicles (EVs) is that they're more expensive than their gas-powered counterparts. While that ...

The Sierra EV has more battery choices than before, a new off-road-focused AT4 model, and an entry-level Elevation trim that brings the base price to $64,495.

An expanded 2026 GMC Sierra EV lineup is expected to arrive this summer. New this year, Elevation and AT4 variants. They join ...

My 2011 GMC Sierra 4.8 AT 4x4 has been a constant ... we couldn't ask for a better truck! Our only issue is it's actually lifted to high. We plan on lowering it 3" to see if this helps!

The Sierra EV lineup is aimed at upscale truck ... a lifted (by two inches) coil suspension and 35-inch all-terrain tires. It will also feature a trim-exclusive Terrain Mode, designed, GMC says ...