6.0 Liter Flex-Fuel OHV 16-Valve VVT Vortec V8 Engine on the 2013 GMC Sierra 2500HD Crew Cab
6.0 Liter Flex-Fuel OHV 16-Valve VVT Vortec V8 Engine on the 2013 GMC Sierra 2500HD Crew Cab 4x4 Utility Truck
6.0 Liter Flex-Fuel OHV 16-Valve VVT Vortec V8 Engine on the 2013 GMC Sierra 2500HD Regular Cab
6.0 Liter Flex-Fuel OHV 16-Valve VVT Vortec V8 Engine on the 2013 GMC Sierra 2500HD SLE Crew Cab
6.0 Liter Flex-Fuel OHV 16-Valve VVT Vortec V8 Engine on the 2013 GMC Sierra 2500HD SLE Extended Cab
6.0 Liter Flex-Fuel OHV 16-Valve VVT Vortec V8 Engine on the 2013 GMC Sierra 2500HD SLE Regular Cab
6.0 Liter Flex-Fuel OHV 16-Valve VVT Vortec V8 Engine on the 2013 GMC Sierra 2500HD SLT Extended Cab 4x4