What is the difference between motor oil 0w20 and 5w30?

w stands for winter (winter), the more ** the number in front of it, the better the low temperature fluidity of the engine oil, the lower the ambient temperature available for use, and the better the protection ability of the engine during cold start; The number after the "W" (after a horizontal line) is an indicator of the high temperature resistance of the engine oil, and the higher the value, the better the protection performance of the engine oil at high temperatures. Therefore, 0W-20 is more suitable for use in lower temperature areas than 5W-30.

The 40 can be used on any kind of engine, and this engine will not be damaged if it is operated in any operating condition.

20 can only be used in some engines that are suitable for this grade of oil, and for some engines, if 20 is used, it may cause damage or even damage.

The difference between mineral oil and synthetic oil is the difference in durability (generally 5k vs 10k or more), but the ability to protect the engine under high working conditions and even extreme working conditions.

Other words. 1. If you know what grade of engine oil is used for the engine, then use it according to the regulations, and you will not be wrong.

2. If you don't know, it's definitely okay to use XW40 (X can choose 5 or 10 in the south, 0 or 5 in the north, 0 in the northeast), the most conservative also XW30, and never use XW20 (even if it is fully synthetic), such as the above mineral oil 5K for a change, synthetic 1W for a change, like to motivate driving the best synthetic oil.

0w20 and 5w30 are two completely different types of engine oils, 0w20 is mainly used in Japan, the United States, Korea, etcCar enginesThe gap is large. 5W30 is mainly used for German and other automobile engines with more fine engines. In short, following the manufacturer's guidance is the most scientific.

1. Normal driving in a normal use environment, such as Japanese cars.

0w20 is sufficient. However, if you are driving aggressively, or if you are in a place with a high climate temperature, then it is enough to change to 0w30 or even 0w40, because Japanese cars must ensure that the oil has enough fluidity.

2. The engine of the current German and European cars is more fine, and it can be fully used in winter and summer general engine oil, and the common 5w30 can basically meet the needs, and 5w40 has basically no problem in the Chinese environment.

3. Finally, remember to follow the manufacturer's guidance.

1.The following brands are available, Shell, Castrol, Mobil.

2.Engine oil is made up of two parts: base oil and additives. Base oil is the main component of lubricating oil, which determines the basic properties of lubricating oil, and additives can make up for and improve the shortcomings of base oil performance, give some new properties, and are an important part of lubricating oil.

3.The 5W W-30 and so on in the engine oil indicate the viscosity grade of the engine oil, which is the SAE grade. "W" means winter.

The smaller the number in front of w, the smaller its low temperature viscosity, the better the low temperature fluidity, and the lower the applicable minimum temperature. The number after w does refer to the viscosity of the oil at 100 degrees Celsius, and the higher the number, the more viscous the oil. The following figures mainly refer to the index of the high temperature resistance of the oil, and the better the protection performance at high temperatures.

Engine oil, that is, engine lubricating oil, can lubricate and reduce friction, assist cooling and cooling, seal leakage, rust and corrosion, shock absorption and cushioning for the engine. It is known as the "blood" of automobiles.

From the point of view of engine oil, 0w is better than 5w low temperature fluidity, and 30 is higher than 20 viscosity, if your model is Toyota Corolla, then it is recommended to choose 20 viscosity, because adding a good 30 viscosity experience is not necessarily good, so in short, for 0w20 and 5w30 oil which is better or according to their own model. All in all, the one that suits your car is the best.

On-demand use is important.

Many people think that it is okay to distinguish which kind of engine oil is good to add all the time, but in fact, the viscosity of the engine oil still has to match the viscosity of the engine to determine, and the viscosity of 0w20 is clearly recommended in the manual, so it must be used in accordance with such requirements, which is the exact data obtained by the engine manufacturer after many experiments.

If the viscosity of the engine oil is deliberately increased, it will make the lubrication response more violent and bring wear, if the viscosity recommended by the engine is 5w30, do not force the use of 0w20, because the oil film of 0w20 is relatively thin, and the viscosity gap that does not conform to the engine may increase, and the wear sealing will not be very good, so that the oil will burn faster.

The advantage of 0w20 is that the low temperature fluidity performance is better, which can ensure minus 35CelsiusThere is no difficulty in a smooth ignition start, and the fuel economy is better.

0w20 and 5w30 are two completely different types of engine oils, 0w20 is mainly used in Japanese, American, Korean and other automobile engines.

The gap is large. 5W30 is mainly used for German and other automobile engines with more fine engines.

The difference between engine oil 5w30 and 0w20

The difference between 5w30 and 0w20 engine oil is mainly reflected in the viscosity. 5w30 oil has a higher viscosity, whereas 0w20 oil has a lower viscosity. Secondly, the minimum temperature of 0w20 oil is lower than that of 5w30 oil.

5W30 and 0W20 are the SAEs of the engine oil, which indicates the viscosity value of the motor oil.

w indicates winter, and the preceding number indicates that the lower the usable ambient temperature, the cold start.

the better the engine protection.

To put it bluntly, the smaller the number in front of the w, the better the low-temperature fluidity of the oil. 0w is -35; -30 for 5w; 10W is -25; -20 for 15w; 20W is -15; 25W is -10.

1. What is the difference between engine oil 5w20 and 5w30

The viscosity of 5w30 oil is higher than that of 5w20 oil, and the low-temperature flow properties of both oils are the same.

The w in the oil model stands for winter, which means winter. If there is a letter w in the oil model, it means that the oil can be used normally in winter.

The number in front of W represents the low-temperature fluidity of the oil, 0W means that the oil can flow normally at minus 35 degrees Celsius, and 5W means that the oil can flow normally at minus 30 degrees Celsius.

The number after w represents the high temperature viscosity of the oil, and the higher the number, the greater the viscosity.

Engine oil is known as the blood of the engine and plays a role in the engine for lubrication, cleaning, sealing, heat dissipation, buffering, and rust prevention.

If the engine has no oil, the engine will not work.

When selecting oil, it is not that the viscosity is as high as possible, nor is the viscosity smaller. If the viscosity is too low, it will exacerbate engine wear; If the viscosity is too high, it will cause too much drag when the engine is running, which will reduce power and increase fuel consumption.

Naturally aspirated engine.

Generally, 30 viscosity oil is enough, and some naturally aspirated Japanese cars.

20 viscosity oil is required. Turbocharged engines require 40 viscosity oil, and large-displacement multi-cylinder high-speed engines require 60 viscosity oil.

When buying motor oil, it is recommended that consumers buy fully synthetic motor oil. This oil has better lubrication performance and longer service life.

1. The low temperature starting performance is different: W represents winter, the number in front of W represents the flow performance at low temperature, the smaller the value, the better the starting performance at low temperature, that is to say, 0W20 has better start-up performance than 5W30 at low temperature;

2. The stability performance at high temperature is different: the number behind W represents the stability performance of the oil at high temperature (that is, the possibility of thinning), the larger the value, the better the stability of the oil at high temperature, that is, the stability of 5w30 is better than that of 0w20 at high temperature.

The former has better low-temperature starting performance, and the latter has better engine protection performance at high temperatures.

In the oil label, the mathematics in front of w represents the viscosity of the oil at low temperature, the smaller the value, the better the low-temperature starting performance, and the mathematics behind the w represents the viscosity of the oil at high temperature, the larger the value, the better the engine protection performance in the high temperature environment.

However, there is no special situation, the viscosity of the engine oil recommended by the user's hand is tested by comprehensively considering the high-temperature protection of the engine oil and the low-temperature fluidity, fuel consumption and other comprehensive factors, which is generally the most suitable for the engine, so the principle of choosing the engine oil is: refer to the user manual, try to use 0w, 5w fully synthetic engine oil, the southern region can choose 5w, the north can use 0w!

The main difference between different grades of motor oil is the viscosity of the oil.

In the oil label, the value in front of W indicates the viscosity of the oil at low temperature, the smaller the value, the lower the viscosity at low temperature, and the better the low temperature starting performance.

The higher the value, the greater the viscosity at high temperature, the greater the viscosity at high temperature, and the better the protection performance of the engine at high temperature.

The difference between 0w20 and 5w30 is that the former is less viscous than the latter, regardless of whether it is at high or low temperatures.