2023 Gmc Sierra 2500hd Black Diamond Edition 2018 gmc sierra 2500hd denali rough country off-road edition (silver Gmc denali sierra silver 2500hd off road country rough edition 2018 GMC Sierra 2500HD Denali Rough Country Off-Road Edition (Silver 2018 GMC Sierra 2500HD Denali Rough Country Off-Road Edition (Silver Check Details ← 2023 Gmc Sierra 2500hd Duramax Specs 2023 Gmc Sierra 2500hd Running Boards → Share with friends Link copied