What is the difference between 0w30 and 5w30?
2 Answers
The differences between 0w30 and 5w30 are as follows: 1. They allow vehicles to be used at different temperatures: 0w30 engine oil can start the vehicle at a minimum temperature of -35 degrees. 5w30 engine oil can start the vehicle at a minimum temperature of -30 degrees. 2. The viscosity of the oil is also different: The number 30 in the model represents the viscosity grade of the oil. The larger the number, the better the protection for the engine at high temperatures. The functions of automotive oil are as follows: 1. Lubrication and friction reduction: The oil used on motor vehicles is the lubricating oil of the engine. Its main function is to lubricate and reduce friction in the engine. 2. Assist in cooling and temperature reduction, and prevent rust and corrosion. The oil used on motor vehicles is the blood of the car. The quality of the oil is an important factor that determines the engine's power.
The main difference between 0W30 and 5W30 engine oils lies in winter performance. Let me explain from a car enthusiast's perspective. The first number indicates cold-weather fluidity - 0W provides faster cold starts, lubricating the engine immediately upon ignition to reduce wear risks, making it ideal for regions below -20°C. The '30' after W represents high-temperature viscosity - both grades offer similar protection in hot weather. 5W30 is more economical and performs well in moderate climates above -10°C. If you frequently visit cold areas for skiing, 0W30 is wiser as it improves fuel efficiency and starting performance. For summer road trips, always consult your manual - choosing the wrong oil can damage your engine.