ENGINE 5.3L ECOTEC3 V8 WITH ACTIVE FUEL MANAGEMENT DIRECT INJECTION AND VARIABLE VALVE TIMING includes aluminum block construction (355 hp [265 kW] @ 5600 rpm 383 lb-ft of torque [518 Nm] @ 4100 rpm; more than 300 lb-ft of torque from 2000 to 5600 rpm) (STD)
