General Information Year 2015 Make GMC 2500 Duramax Model Denali 2015 GMC 2500 Duramax Denali Gallery 12954.jpg 40.3 KB Views: 23 12962.jpg 44.5 KB Views: 21 12970.jpg 43.7 KB Views: 21 Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Link