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.

The Elevation and AT4 trim levels of the 2026 GMC Sierra EV have debuted for the Canadian market, with details of standard ...

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

GMC introduced a new Standard Range battery option that even brought down the price of the top-end Denali model.

Originally available in Denali specification exclusively, the Sierra EV is entering ... and Forest Storm for the interior. GMC says that Forest Storm is exclusive to the AT4 for model year 2026.

The GMC Sierra EV lineup is expanding for the third time in as many model years. For 2026, the electric pickup expands from just one trim to three. The introduction of an AT4 will give the Sierra EV ...

With the introduction of the 2026 GMC Sierra EV ... and four-wheel steering as standard. The AT4 will also boast a unique "Forest Storm" interior, which features some handsome detail work in ...

Get an online offer in 2 minutes using our Sell My Car tool. Actual price and payments may be different due to local rebates, specials, fees, and credit qualifications. Consult your dealer for actual ...

Tne all-new GMC Acadia, including the 2025 Acadia AT4 (front) and Acadia Denali (back). (Photo courtesy of GMC) The 2025 GMC Acadia AT4 AWD builds upon the completely redesigned third-generation ...

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