Updated at: 10-03-2022 - By: micdot

People cannot live without automobiles. People’s lives have been made easier and more convenient thanks to the introduction of motor vehicles. In addition, because of their wonderful capabilities, automobiles are an important part of the economy in the United States. Even though it serves an important purpose in enhancing our quality of life, it must be properly maintained to ensure that it continues to perform at its peak.

To keep your car running at its peak, it’s essential that you have regular maintenance appointments. One of the most essential things your car requires is fresh motor oil. Your car’s engine runs smoothly because of the lubricant provided by the motor oil. Your car’s internal combustion is the most common place to find it.

Your lawn mower, automobile, motorcycle, and many other machines can benefit from it. An additional benefit of using high-quality motor oil is that it keeps the vehicle’s components from corroding. There are a plethora of motor oils available on the market, making it difficult to select the ideal one for your car. 0w40 and 10w40 motor oil are the next topics we’re going to cover. If you already use one of these two types of motor oil, we’ll go through the differences and show you how to swap them out. Let’s get things started now.

What Is The Difference Between 0w40 And 10w40 Oil?

The primary Distinction. Petrol mileage, hot weather, viscosity, motor oil grade, and price are all factors to consider when choosing between 0w40 and 10w40 motor oil.


The viscosity of your car’s engine oil determines the motor oil’s grade. Viscosity is a measure of the oil’s flow resistance. Your engine parts will last longer if you keep them lubricated with motor oil. The greater the thickness of your motor oil, the less friction there will be between your engine parts. During the hottest months of the year, this issue is relevant. However, if it’s cold outside, you’ll want to use a thin motor oil. It’s to ensure that the engine of your car doesn’t have to work too hard to run.

It’s also a bad idea to use heavier motor oil in the winter because it will cause your vehicle to break down. Because of this, both 0w40 and 10w40 work well in cold climates, but 10w40 is preferable in hot climates because of its higher melting point.

Fuel Economy

0w40 motor oil is the ideal oil to use in hot weather since it adapts better in cold weather than 10w40 motor oil. While 10w40 motor oil is the finest choice for hot conditions. Not only does it provide a noticeable kickback in your car, but it also helps you save money on gas.

Hot Weather

Each type of motor oil has a specific temperature range across which it performs optimally. When it comes to pumping temperatures, the 0w shared grade can handle temperatures down to -35 degrees Celsius. When it comes to 10w motor oil, it has a maximum of 16.3 and a minimum of 9.3 and 12.5, respectively. When it’s hot outside, 0w40 is the ideal motor oil.

Oil Grade

The oil grade is used to identify a particular type of motor oil based on the vehicle it is intended to be used in. The viscosity of a substance is used to assign a grade to it. The 0w designation denotes an oil’s ability to withstand extremely low temperatures. In cold weather, both 0w40 and 10w40 behave the same, but in hot weather, they differ. As a result, in hot conditions, choose for 0w40 instead of 10w40.


0w40 motor oil is significantly less expensive than 10w40 when comparing the two grades. While there is a small price difference between the two oils, they are both affordable to the general public.

Can I Use 0w40 Instead Of 10w40?

Both 0w40 and 10w40 motor oil can be used. You should, however, check with your vehicle’s manufacturer before making a final decision. In addition to the best oil for your engine, you should use the proper motor oil to keep your vehicle’s internal functions in good shape. Is it harmful if you use 0w40 instead of 10w40?

If you’re worried that it’ll hurt or damage your car, you shouldn’t be. For this reason, vehicle manufacturers recommend using a certain motor oil in your vehicle because of its health benefits to your vehicle’s performance.

Accidentally Used 0w40 Instead Of 10w40: Is It Ok?

Motor oil is best suited to the vehicle it is meant to be used with. When it comes to engine oil, though, things can quickly go awry. Despite the fact that it won’t harm your engine, using the wrong motor oil over and over again will eventually lead to a problem.

0w40 Vs. 10w40 High Mileage

Both High Mileage options work well and can be relied upon. Nevertheless, it will be dependent on the requirements of your vehicle. To ensure that you purchase the right oil for your vehicle, stick to the facts in your owner’s manual.

Which Is Better, 0w40 Or 10w40 Oil?

You can use 0w40 motor oil in cold locations where the temperature drops below freezing. A component of this motor oil ensures your engine’s safety even in subzero conditions.

In hot conditions, 10w40 is recommended. During this period, it will provide you with the most promising start-ups.

When Should I Use 0w40 And When 10w40?

There is a 0w40 for cold weather and a 10w40 for hot weather, both of which have their uses. Weight loads, on the other hand, can be used to distinguish its capability. For large weights, 10w40 is ideal; for small loads, 0w40 is ideal.

0w40 Vs. 10w40 In Toyota

5w30 motor oil is recommended for Toyota owners. It’s also possible to bring your Toyota vehicle into a freezing weather area with the use of 0w40. So that you can have excellent car starts and runs. When traveling in hot weather, however, 10w40 can take the place of your Toyota’s oil.

0w40 Vs. 10w40 In Nissan

5w30 and 10w30 are the recommended motor oils for Nissan. In cold weather, 0w40 can be used to replace your 5w30 and 10w30 motor oil. If you’re going somewhere hot, you can also use 10w40 engine oil. However, you should strictly adhere to the instructions found in your vehicle’s owner’s manual.

0w40 Vs. 10w40 In Subaru

You can use either 0w40 or 10w40 motor oil in your Subaru with no problems. A 0w20 or 5w30 motor oil is, nevertheless, suggested for Subarus. Because of this, you must ensure that you are using the correct motor oil at the correct temperature to avoid any issues.

0w30 Vs. 10w40 In Mazda

According to Mazda’s management, 0w20 motor oil is suggested for the vast majority of their cars. However, 0w40 and 10w40 can still be used in some places and at certain times depending on the weather conditions. Extreme weather calls for 10w40, while normal weather calls for 0w40.

0w40 Vs. 10w40 In BMW

Using a 5w30 motor oil is the best way to keep BMW engines running at their best. It’s best to use 0w30 motor oil when you’re driving your BMW in the winter. During extremely sunny days, however, BMW automobiles should be lubricated with 10w40.

0w40 Vs. 10w40 In Ford

In 2020, Ford’s manual claimed that 5w30 or 0w40 motor oil was required by practically all manufacturers’ engines. Extreme adventure rides can still benefit from the usage of 10w40 motor oil, which is suited for both cold starts as well as scorching, all-day excursions.

0w40 Vs. 10w40 In Chevrolet

5w20, 5w30, or 10w30 are the most common motor oils for Chevrolet automobiles. Chevrolet, on the other hand, can be a fantastic usage on cold days for 0ws40.

Because it’s designed for temperatures above 100°F, 10w40 motor oil can be used in Chevrolet vehicles on hot days.

0w40 Vs. 10w40 In Jeep

In the automotive business, Jeep is a household name. 0w20, 5w20, 5w30, or 10w30 are commonly used in Jeep vehicles. You can still use 0w40 and 10w40 in this car, just like you can in any other. In the winter, use 0w40, and in the summer, 10w40.

Your owner’s manual recommends that you use a certain type of engine oil.

0w40 Vs. 10w40 In Volkswagen

Volkswagen is the world’s oldest and most reputable automaker. Use 5w20 and 0w20 motor oils, according to its owner’s manual. However, if you choose, you can also use 0w40 and 10w40. In the winter, you may get away with using 0w40, while in the summer, 10w40 comes in handy.


Your car’s performance will be at its peak for a long time if you keep up with regular oil changes. You should stick to the recommended oil in your owner’s handbook, even if there are a plethora of options on the market.

In terms of temperature, know what kind of motor oil you should use. Make sure you know what your engine needs in order to avoid malfunctions and mishaps when in this circumstance. Motor oils in the 0w40 and 10w40 weight classes are also beneficial. Both provide a similar function despite their differences.