Denali
The Denali HD pickup truck gives you all the power and performance of a 3500HD, plus the ultimate in premium materials and technology. Denali includes features like heated and cooled leather-appointed, 12-way power front bucket seats, power-adjustable pedals, electronic shift transfer case with rotary dial controls (4WD models), an automatic locking rear differential and the signature Denali Grille. The optional Duramax diesel and Allison transmission are a proven and powerful combination that delivers the ultimate in Sierra HD capability.