Should the Arrizo 5 use 5w30 or 5w40?

[AllieDella]

Arrizo 5 uses 5w30. 5w-30 is a four-stroke engine oil, and this value represents the viscosity value of the engine oil. In 5w-30, "W" stands for winter, "5" represents resistance to external low temperatures of -30°C, and "30" indicates that the kinematic viscosity standard at 100°C is 30. The Arrizo 5 is equipped with a 1.5-liter naturally aspirated engine across all models, and this engine can use oil with a viscosity of 30 or 20. When selecting the oil viscosity, it is essential to choose based on the technical characteristics of your car's engine. During normal engine operation, the oil forms a thin film on the surfaces of various engine components, which helps reduce wear between parts and lowers the operating resistance of the engine's internal components. The viscosity of the oil should not be too high or too low. If the viscosity is too low, the oil cannot form a stable film during engine operation, which can increase engine wear. If the viscosity is too high, it can lead to increased resistance during engine operation, resulting in reduced engine power and higher fuel consumption.