Dashboard showing touchscreen infotainment system tuning FM radio with climate control panel below; includes temperature and fan speed knobs, air flow control buttons, and steering column shifter visible on the left side.
View Dimensions of the 2015 GMC Sierra 3500HD IV (GMTK2XX) Crew Cab Long Box
View 23 images of the 2015 GMC Sierra 3500HD IV (GMTK2XX) Crew Cab Long Box