The latest 2021 GMC Sierra HD follows a complete overhaul (redesign and re-engineering) introduced for the 2020 model year, with the 2021 heavy-duty pickup introducing a few minor changes and updates ...
The 2021 GMC Sierra 1500 adds four new exterior colors to its palette: Cayenne Red Tintcoat, Ebony Twilight Metallic, Brownstone Metallic, and Hunter Metallic. Here’s a closer look at the new gray hue ...
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