Updated at: 13-03-2022 - By: micdot

You should take precautions to avoid causing harm to your engine. This is to guarantee that your engine is in good working order. To do this, make sure you’re using the proper sort of engine oil. Your vehicle’s performance will suffer if you use the wrong motor oil. There are a plethora of different types of motor oils available. With so many options, you may feel overwhelmed.

The viscosity, thickness, and high-temperature resistance of these motor oils differ. Motor oil for a certain model of car has a specific type of viscosity rating. As a result, using the correct engine oil is crucial. As a result, you can be perplexed as to the difference between a 5w30 and a 10w30 motor oil. Is it possible to interchange these two types of motor oils? We’ll look at the differences between 5w30 and 10w30 motor oils in this article. To learn more, keep reading.

What Is the Difference Between 5w30 and 10w30 Oil?

It is true that 5w30 and 10w30 motor oils differ, yet there are also parallels between the two. Let’s start with the changes in viscosity, hot weather, and fuel economy between 5w30 and 10w30 motor oils.


The viscosity of the 5w30 and 10w30 motor oils is very different. Both motor oils’ ratings are based on the oil’s viscosity. Winter is denoted by the letter w.

Fuel Economy

The SAE specifications for 5w30 and 10w30 motor oils are identical. This indicates that at normal operating temperatures, both of these motor oils will perform identically. Therefore, they will similarly experience similar fuel economyresults .’s When the oil reaches a specified working temperature, the number 30 (30) indicates the oil’s thickness. In cold conditions, the viscosity of the 5w30 and 10w30 motor oils is the same. This implies that even at subzero temperatures, the 5w30 motor oil will function properly. The 10w30 motor oil, on the other hand, will continue to function properly even at high temperatures.

Hot Weather

In addition to being multigrade, the 10w30 motor oils are designed for heavy-duty engines. This is due to their ability to withstand high temperatures for prolonged periods of time. Moreover, this is accomplished without sacrificing the vehicle’s overall performance. Viscosity grades of ten for low temperatures and thirty for high temperatures distinguish the 10w30 motor oil from the competition. In temperatures ranging from 30 degrees Celsius to 35 degrees Celsius, the 5w30 motor oil will perform as expected. In cold weather, this engine oil is even thinner. One to eighteen degrees Celsius to thirty degrees Celsius is the temperature range for the 10w30 motor oil. When the temperature drops, the engine oil becomes thicker.

Can I Use 5w30 Instead of 10w30?

Consult your vehicle’s owner’s manual for further information. Find the answer in your owner’s manual. The instructions should always be read as a rule of thumb. You can use the same amount of 5w30 or 10w30 motor oil in your car at operating temperature because they are both thirty-weight oils. Because it thickens less when cold, 5w30 motor oil is preferable. However, starting wear of up to 80% is possible. The thinnest oil will reach the end first. In other words, consult your owner’s manual yet again. The only person who can truly answer this question is your car’s maker.

Accidentally Used 5w30 Instead of 10w30: Is It Ok?

It’s fine, you know. If you unintentionally used 5w30 motor oil instead of 10w30 motor oil, your engine will not be severely damaged and you won’t see many results. If the fresh motor oil does not cause any oil leaks in your vehicle’s engine, you are good to go.

5w30 vs 10w30 High Mileage

It’s preferable to use a 5w30 motor oil in automobiles with a high mileage. High-mileage automobiles, on the other hand, benefit from 10s30 motor oil. Synthetic base and well-balanced additional components make up the recipe.

Which Is Better, 5w30 or 10w30 Oil?

A variety of elements come into play here, including the type of vehicle you’re driving, the weather, and other road conditions. 10w30 and 5w30 motor oils are both appropriate for use. However, if you want to get the best out of these motor oils, you need to know that they only work in certain conditions. In any season, 5w30 motor oil is a good choice. It’ll keep you safe in both the summer and winter months. Fuel economy is another benefit of using high-quality motor oil. The bearings will also be subjected to less drag as a result of this. Improved sealing properties are another benefit of using 10w30 motor oil. Your owner’s manual recommends that you always use the motor oil specified in your vehicle’s manual.

In order to keep your engine as safe as possible, you should do just that. An efficient operation and good mileage can be achieved with the correct motor oil. There are a number of

When Should I Use 5w30 and When 10w30?

The climate in your area has a considerable impact on which motor oil is best for your car. Multigrade oils are designed to work well in both hot and cold climes. 5w30 motor oil, on the other hand, will become brittle in colder climates. In the winter, this will help your car run better because the oil will have all the necessary components. As a result, high-temperature regions and scorching summers will not hinder the performance of 10w30 motor oil. Cold flowability is the difference between 5w30 and 10w30 motor oils.

When cold starting a vehicle, the 10w30 motor oil will move more slowly than the 5w30 motor oil. In operating temperatures, both 5w30 and 10w30 motor oils will have the same viscosity. They will therefore follow a similar pattern. Use 5w30 oil if your engine will be running through the winter. You can use 10w30 motor oil in the summer. Always follow the manufacturer’s and owner’s manual’s recommendation for the oil’s weight.

5w30 vs 10w30 Toyota

All Toyota engines should be lubricated with 5w30 motor oil. Unfortunately, they don’t recommend 10w30 motor oil. Even if you can use 10w30 motor oil in hot weather, your best bet is to consult your owner’s manual and find out what type of oil is ideal for your vehicle’s needs.

5w30 vs. 10w30 Nissan

Nissan automobiles should be lubricated with 5w30 or 10w30 synthetic motor oil. Both of these lubricants are suitable for use in Nissan engines. When it comes to engine oil, you can still consult your owner’s manual, but you can swap out different brands if you like.

5w30 vs 10w30 Subaru

All Subaru engines should be oiled with 0w20 or 5w30 motor oil. In the Subaru engine recommendation list, there is no mention of 10w30. It is recommended to use 10w30 motor oil because of its excellent sealing properties. You should consult your owner’s handbook to find out what type of motor oil is recommended for your vehicle.

5w30 vs. 10w30 Mazda

0w20 motor oil is required by nearly all Mazda automobiles and SUVs. Their lone bright spot, on the other hand, may be combined with some 5w30. Mazda does not advocate using 10w30 motor oil in its engines. Your best bet is to consult your vehicle’s owner’s manual, which lists the recommended motor oil for your vehicle.

5w0 vs. 10w30 BMW

BMW recommends 5w30 oil for all of its engines. In the list of recommended oils for BMW engines, 10w30 is not mentioned. The usage of it is not required and should be avoided if possible. You should consult your owner’s handbook to find out what type of motor oil is recommended for your vehicle.

5w30 vs 10w30 Ford

A 5w30 motor oil or a 0w30 motor oil is required for nearly all of Ford’s engines in the 2020 owner’s manual. There is no advice for Ford engines to use 10w30 motor oil. Use at your own risk; it is not advised. You should consult your owner’s handbook to find out what type of motor oil is recommended for your vehicle.

5w30 vs 10w30 Chevrolet

Some engines in the Chevrolet lineup require 5w20, 5w30, or even 10w30 oil, depending on the model. The recommended list for Chevrolet engines includes both of these oils, so you can use either of them in your vehicle. You can use both, but you should still consult your vehicle’s owner’s handbook to determine which of these two is best for your vehicle.

5w30 vs. 10w30 Jeep

There are four different viscosities advised for jeep vehicles: zero weight (20w20), five weight (5w30), and ten weight (10w30). As a result, both of these oils are suitable for use in Jeep engines.

5w30 vs. 10w30 Volkswagen

Only 5w30 and 0w20 are recommended. The 10w30 Volkswagen engine oil is completely absent from the list. So you’ll have to keep to what’s been recommended..


To summarize, it is critical that you use the proper motor oil for your vehicle. The quality of your car’s engine oil has a significant impact on its overall performance and longevity.

In some cases, 5w30 motor oil and 10w30 motor oil are interchangeable. This is because the suitability of using either of these motor oils is dependent on the manufacturer’s recommendations.