However, you can use 0w30 motor oil in times or places where the weather is freezing. On the other hand, you can use 0w40 motor oil for extreme weather because it is suitable for start-ups. Still, you should refer to your owner’s manual. 0w30 vs 0w40 BMW viscosity offers an excellent operation at extremely high temperatures and cold temperatures as well.

Both oils have a high-temperature rating of ’40’, making them well-suited for warm conditions. However, they differ mainly in their cold-weather performance, indicated by the ‘0W’ and ‘5W’ in their names. Cold Weather Performance https://cdn.opieoils.co.uk/images/variants/large/castrol/castrol-edge-titanium-0w-40-a3b4-fully-synthetic-car-engine-oil-4-litres-6.jpgAlways consult the owner's manual of the vehicle for the manufacturer's recommended viscosity grade and specifications If you see our oil analysis and comparison, you’ll know there’s no better weight oil option for your car. It all depends on your requirements and the temperature of the place where you live. And some car drivers might be having a lot of problems in choosing the right motor oil for their engine. So in this article, we’ll be talking about the 0w30 motor oil and the 0w40 motor oil.

For Chevrolet, the recommended oil is 5w20, 5w30, or 10w30 in some engines. Unfortunately, there is no mention of 0w20 motor oil and 0w40 motor oil in the recommendation list of motor oils used in Chevrolet engines. But both 0w20 motor oil and 0w40 motor oil can be used for all climates or temperatures, but 0w20 motor oil is a better option for hot climates. https://cdn.opieoils.co.uk/images/variants/icon/castrol/castrol-edge-titanium-0w-40-a3b4-fully-synthetic-car-engine-oil-4-litres-4.jpg On the other hand, you can use 0w40 motor oil for extreme weather because it is suitable for start-ups. But given this, you should still refer to the recommendation of your vehicle’s manufacturer. 0w30 vs. 0w40 Mazda Moreover, it also fights against corrosion in the same process, which eventually increases the engine’s lifetime. Besides, the nature of the oil is quite thin and viscous.https://cdn.opieoils.co.uk/images/variants/icon/castrol/castrol-edge-titanium-0w-40-a3b4-fully-synthetic-car-engine-oil-4-litres-1.jpg This process of making synthetic oil is very different from conventional oil (mineral oil), which is made using refined crude oil. But at some point, you will need to replace your vehicle’s engine oil. To this end, you need to ensure you choose the best oil, which will deliver the best performance for your engine. So, how do these two engine oils compare when it comes to price? The prices of various types of engine oils vary from one brand to the next. They also vary from one manufacturer to the other. For instance, Castrol, Chevron, Spec Oil, Premium Oils Valvoline and Pennzoil will set different prices for their 5w40 and 0w40 engine oils. Therefore, you can expect to find different prices from one company to the next. You can also determine the fuel economy from the oil weight (viscosity). Thinner oil tends to be economical in oil consumption and can help improve fuel mileage.

LIQUI MOLY is a famous German brand commonly known for its lubricants and other car accessories. This brand never compromises on quality and provides excellent performance. If you use a 0w20 motor oil in your 0w20 or vice versa and the other motor oil is not on the recommended list, there might be a difference in the benefits you can get from your engine. So again, the rule is always to use the recommended motor oil by your manufacturer. Accidentally Used 0w20 Instead of 0w40: Is It Ok? https://cdn.opieoils.co.uk/images/variants/large/mobil/mobil-1-fs-0w-40-advanced-fully-synthetic-engine-oil-5-litres-3.jpgGenerally, switching between 0W40 and 5W40 should not cause significant issues due to their overlap in compatibility. The key difference lies in their cold-weather performance: 0W40 is slightly better in colder conditions due to its lower viscosity. Multigrade oils are designed to work in the different ambient temperature conditions of regions around the globe. It also helps cold starting the car at low temperature. The number comes at the end which in this case is 40, relates how the oil performs when it reaches the operating temperature. Diesel engines are prone to engine deposits and buildups, and 0W30 oil provides excellent engine protection against these problems.

There will be a noticeable difference in the consistency of these two oils. The 0W40 type is thinner and has less weight than the other oil. Thus, it can reduce the 10% damage that your engine incurs from high friction. It keeps the engine strong for a long time. Nothing is worse than trusting an engine oil, only to find out that it solidifies overnight and makes it extremely difficult for the engine to start the next day. It even takes a long time to warm up and causes the engine to wear out. Conversely, if you are using 5w40 in cold conditions, then your vehicle will pump it down to around -350 Celsius. As you can see, the 0w40 has an edge over the 5w40 in colder environments and climates.https://cdn.opieoils.co.uk/images/variants/medium/castrol/castrol-edge-titanium-0w-40-a3b4-fully-synthetic-car-engine-oil-1-litre-6.jpg