General Information Year 2015 Make Duramax Model Sierra 2500HD Denali Color White 2015 Duramax Sierra 2500HD Denali (White) Modifications Wheel and Tire 33x12.50x20 Toyo MT Gallery 17402.jpg 32.5 KB Views: 10 17410.jpg 27.3 KB Views: 8 Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Link