2001 Infiniti QX4 (Engine: Base 6-Cyl 3.5 [GAS]) takes a 5W-30 viscosity. A 0W-30 viscosity can also be used.
View copies of Infiniti QX4 Factory Service Manuals here.
Motor oil can be segmented into four basic varieties—synthetic oil, synthetic blends, high mileage oil and conventional oil.
Motor oils use a rating system developed by SAE, which is the Society of Automotive Engineers, to classify oil by viscosity.
We’re all used to seeing designations like SAE 5W-30 or SAE 10W-30 - but what do they mean? Learn more about motor oil at Pennzoil.com.
Find out How To Pick The Right Motor Oil For Your Car, shared by Popular Mechanics.