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

Sierra 2500 represents the sixth model year of the fourth-gen GMC Sierra HD. Here's everything that's new and different about ...

This trim comes standard with a coil-spring independent suspension and 18-inch wheels fitted with ... The next new trim for the 2026 Sierra EV is the AT4 and brings GMC's off-road treatment ...

The “AT4” designation is GMC’s off-road trim, and the Sierra EV version gets a lifted ... standard four-wheel steer (featuring CrabWalk); standard Super Cruise hands-free driver-assistance ...

All Sierra EV AT4s will have standard four-wheel steering with the ... and an illuminated front GMC badge. The $91,695 Max Range AT4 produces a maximum of 725 horsepower, while $81,395 Extended ...

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

The GMC Sierra EV has been a pretty expensive ... skid plates, and four-wheel steering as standard. The AT4 will also boast a unique "Forest Storm" interior, which features some handsome detail ...

GMC has finally revealed the Elevation and AT4 grades ... version of the Sierra EV is listed with 2 inches (50 millimeters) of extra ground clearance over the Elevation. Four-wheel steering ...

The Chevrolet Silverado EV, GMC Sierra EV and Hummer EV have sold ... of ground clearance at just over 10-inches. The AT4 also gets the 4-wheel-steering with crab walk as standard along with ...

The 2026 GMC Sierra EV adds two new trims ... integrated with the one-pedal driving mode and automated braking. The AT4 also receives standard rear-wheel steering, enabling GMC's CrabWalk diagonal ...

The basics stay mostly the same, though, and features like Super Cruise, 18-inch wheels, and onboard power ... even the aggressive GMC Sierra EV AT4 undercuts the infamous Tesla Cybertruck.

The AT4 will be the highest-riding Sierra, with 2 inches of additional ... AT4 models will also share a number of features with GMC’s Hummer EV, such as four-wheel steer, CrabWalk, and Terrain ...