Gmc Sierra 2025 Colors. There are a total of eight 2025 gmc sierra 1500 trims: Need mpg information on the 2025 gmc sierra 2500?
Need mpg information on the 2025 gmc sierra 2500? The 2025 gmc sierra hd debuts exterior updates, an interior overhaul, and new powertrain options, along with significant changes to the exterior paint palette, with six new colors offered.