General Information Year 2017 Make Duramax Model Denali 2500hd Color Summit White Packages All of them History New on August 18th 2017 2017 Duramax Denali 2500hd (Summit White) Gallery 18034.jpg 47.7 KB Views: 10 18042.jpg 42.6 KB Views: 9 Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Link