What are the engine oil specifications for the Nissan Sylphy Classic?

[DeLucille]

According to the official maintenance recommendations provided by Nissan, the Sylphy should use 5W30 engine oil of SL grade or higher. It is recommended to use the original manufacturer's oil of this specification. Many Sylphy owners commonly use engine oils with specifications such as 10W-30, 5W-30, and 5W-40. For synthetic oil choices, brands like Mobil, Shell, and Castrol are generally preferred. Synthetic oils have a wider temperature range, longer service life, and higher cost. For the same oil film requirements, synthetic oils can achieve the desired performance with lower viscosity, whereas mineral oils require higher viscosity compared to synthetic oils to meet the same requirements. In the same working conditions, synthetic oils have a much longer service life than mineral oils, hence the higher cost. Synthetic oils are recommended for use in harsh driving conditions, such as frequent traffic congestion, hot and humid environments, etc. Fully synthetic oil is the highest grade of engine oil and is generally suitable for higher-end vehicles.