Choosing the Right Engine Oil Grade for Your Vehicle

This begins with understanding the requirements of your engine and the type of fuel it uses. As we saw above, various classifications exist, and when selecting diesel engines, we must pay particular attention to the concentration of sulphur in the fuel being used. This would be highly dependent on the availability of these fuels in the market, as not all countries have ready access to varying grades of fuel.

All original equipment manufacturers (OEMs) provide a recommended range of oils for your vehicle, typically listed in the vehicle’s owner’s manual. They typically provide various operating conditions and corresponding grades of oils to select. For example, for the Nissan Qashqai 2024 model with the HR13DDT engine, a 5w30 or 0w20 oil is recommended, but the manufacturer also provides this chart to guide the user: