Updated at: 09-03-2022 - By: micdot

People are wondering if you can blend 0w20 and 5w20 oil. They want to know if you can mix them and what would happen if you mixed both of these oils.. Keep reading if you’d want to learn more about this topic. Is it possible to blend 0w20 and 5w20 oils? Yes, you can combine the two options. That does not, however, imply that you must.

Low viscosity, high-quality synthetic oil are the hallmarks of both 0w20 and 5w20 oil. Because of this, they can help you save money on gas. However, the question is whether or not you can combine the two. Many car owners are curious about this. They want to know if mixing 0w20 and 5w20 oil is safe and if there will be any major damage to their vehicle as a result. The engine of your vehicle will run and operate at its best if you use a synthetic oil formulation. Let’s first compare 0w20 and 5w20 oils before going into the blending of the two. The weight and viscosity or thickness of these oils are indicated by the figures on the labels. W indicates that both kinds are suitable for use in colder climates. The thickness of the oil at a cold temperature is indicated by the number preceding the letter. It is the thickness at operating temperature indicated by the number following the letter. The motor oil will get thinner if it is heated. They will also thicken up in the cold. The effects of combining 0w20 and 5w20 oils will now be examined. This is where we will begin.

Can I Mix 0w20 and 5w20 Oil?

Yes, 0w20 oil and 5w20 oil can be mixed. That doesn’t mean, though, that you must. Start with the fact that oil should not be mixed. However, some automobile owners argue that if your vehicle is still covered by a guarantee, you should not mix 0w20 oil with 5w20 oil. Occasionally, you’ll find yourself in a situation where you have no choice but to combine them. If your vehicle is still covered by a warranty, do not mix the two oils. Doing so could void your guarantee. If your vehicle’s warranty has expired, you don’t have to worry about anything. Both of them will weigh about twenty pounds if your oil is heated. As a result, they will all act in the same way.

Even if your owner’s handbook says that you shouldn’t combine different types of oils, this is merely a suggestion. As a result, if you want to combine 0w20 and 5w20 oil, you can do so.

Can You Add 0w20 to 5w20 Oil?

Adding 0w20 oil to 5w20 oil if the latter is still a lot is a bad rule of thumb. It is possible to add the additional oil even if you have previously emptied your old one. The two oils will not mix nicely when you top them off. They’ll stick to their guns and not mix in with the crowd. Although they will still lubricate your engine, however.

Can You Add 5w20 to 0w20 Oil?

Adding 0w20 to your 5w20 is fine. However, if at all possible, you should refrain from doing so. As a last resort, you may have no choice but to add and top it up if necessary.

Is It Ok To Mix 0w20 and 5w20 – Possible Downsides?

There are two possible answers to this question. Depending on who you ask, some may think it’s a bad idea, while others may claim it’s fine. As a result, you may be forced to choose one response and stick with it. Using the motor oil recommended by your manufacturer is the best way to keep your car running smoothly. As a result, blending 0w20 and 5w20 oil will not cause any problems. There is also no failure of the engine..

Your vehicle’s warranty may be voided, which would be a drawback. If you mix 0w20 and 5w20 oil in your car, you risk voiding the warranty.

What Happens if You Mix 0w20 and 5w20 Oil?

The 0 weight oils are synthetic. You can call the 5w20 oil ordinary or semi-synthetic. Adding 0w20 oil to a vehicle’s 5w20 oil does not have any negative consequences or significant concerns. Mixing two different oils doesn’t necessarily mean you’ll get more benefit from one.


To summarize, combining oils is not encouraged and should not be done by anyone. However, a large number of people have previously tried mixing and report they have had no issues.

Adding 0w20 oil to 5w20 oil won’t harm your vehicle, but it won’t do anything for your vehicle’s performance. So it’s best not to mix them together.