2015 GMC Sierra 2500HD IV (GMTK2XX) Regular Cab Long Box specs, Fuel consumption, Dimensions
Start of production 2015; End of production 2019 | Pick-up Power: from 301 Hp to 445 Hp Length 5699 mm (224.37 in.); Height 1976 mm (77.8 in.); Wheelbase 3393 mm (133.58 in.);