Sierra 1500 represents the seventh model year of the fourth-gen full-size pickup truck. Here's everything new and different ...

the GMC Sierra EV Elevation and the GMC Sierra EV AT4. Now, however, GM Authority has learned that these two new trims may not launch before the 2026 model year. GM Authority recently reached out ...

These days, GMC offers six vehicles with the AT4 package: three SUVs and three pickups, including the Canyon, Sierra 1500, and Sierra HD (Heavy Duty). While each truck has its own flavor of AT4 ...

GMC is also embracing electrification, first with the Hummer EV and subsequently the Sierra ... Glacier Metallic, Desert Sun, and Rapids Metallic. The AT4X trim now resides under the AT4 trim ...