The 2024 GMC Sierra HD adds six new exterior colors to its palette: Downpour Metallic, Volcanic Red Tintcoat, Titanium Rush Metallic, Thunderstorm Gray, Sterling Metallic, and Redwood Metallic.

Redwood Mountain Grove (often referred to as Redwood Canyon) is a special place in the Sierra Nevada to myself and many others. Practically a secret in the days before Google Maps and alltrails.com.

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The 2024 GMC Sierra HD adds six new exterior colors to its palette: Titanium Rush Metallic, Thunderstorm Gray, Sterling Metallic, Redwood Metallic, Downpour Metallic, and Volcanic Red Tintcoat.