2015 GMC Sierra/Sierra Denali 2500 HD/3500 HD pickups unveiled - Kelley Blue Book

Getting their grand reveal today at the Texas State Fair, the 2015 GMC Sierra 2500 and 3500 Heavy Duty pickups and their upline Denali siblings have been given a wide-ranging revamp that parallels the changes made to their corporate cousins, the... Regular cab and crew cab are being joined by a new double cab configuration that replaces the current extended cab, and buyers will be able to choose either an 8-foot or 6. 5-foot (crew cab only) bed. The exterior recasting embraces visual cues seen on the all-new 2014 GMC Sierra/Sierra Denali 1500 pickups but creates a look that's even bolder than their lighter-duty counterparts and more aerodynamic than the current Sierra HD family. While SLT and Denali models sport even more distinctive LED lighting elements and trim-specific brightwork/body color accenting, all Sierra HDs feature enhanced engine/underhood cooling capabilities that allow GMC's hardest working pickups to... Source: www.kbb.com