Gmc Sierra 2025 Colors Release Date. The six new paint colors for the 2025 gmc sierra hd replace six color options from the 2023 model year palette that gm has removed: Titanium rush metallic, sterling metallic, volcanic red tintcoat, redwood metallic, meteorite metallic and downpour metallic;

And an available max towing capacity of up to. The new 2025 gmc sierra hd at4x will launch later in 2025.