How much oil for 4.0 Nissan?

For a 4.0-liter Nissan engine, such as the one found in the Nissan Frontier or Xterra, the oil capacity is typically around 5.4 quarts (or approximately 5.1 liters) when using a standard oil filter. It's always best to consult the owner's manual or a service manual specific to your vehicle for the most accurate information regarding oil capacity and type.