GMC Logo2015 GMC Sierra 3500HD IV (GMTK2XX) Regular Cab Long Box: Truck interior dashboard with steering wheel, infotainment screen, and control panel.

Truck interior dashboard with steering wheel, infotainment screen, and control panel.

Interior view showing a truck dashboard with a multifunction steering wheel, central infotainment touchscreen, climate control buttons, and large center console with cup holders. Features a compact and practical layout typical of heavy-duty trucks.

View Dimensions of the 2015 GMC Sierra 3500HD IV (GMTK2XX) Regular Cab Long Box

View 22 images of the 2015 GMC Sierra 3500HD IV (GMTK2XX) Regular Cab Long Box

Small red car