2013 GMC Sierra 1500 IV (GMTK2XX) Crew Cab  Standard Box 4.3 EcoTec3 V6 (285/297 Hp) 4WD Automatic FlexFuel
5.7 kg/Nm, 175.2 Nm/tonne
8.3 kg/Hp, 120.9 Hp/tonne
4.3 EcoTec3 V6 (285/297 Hp) 4WD Automatic FlexFuel