Can You Mix Engine Oils in Your Car? Continue Reading!

If you’re a newbie to the car world or you’re just curious about a few things, then it may be a case where you are just wondering if it is safe to mix engine oils? While, you can actually do so, we don’t think it is a good idea and you may want to refrain from mixing it.

If it’s a case where you are planning on mixing engine oils, then you should probably do some research first. In this article, we are going to explain everything you need to know about the mixture of engine oils and how it affect your vehicle.

Can You Mix Engine Oils in Your Car?

Yes, you can definitely mix engine oils in your vehicle, but we don’t recommend doing so. The good news is that mixing engine oils together won’t necessarily cause any harm to your car.

However, if you proceed to mix them without reading up on them first, you could eventually compromise the protective qualities of the oil such as its anti-wear, anti-oxidant properties, as well as the viscosity.

Can I Mix Engine Oils of Different Brands

Can You Mix Engine Oils in Your Car

When it comes to mixing engine oils, there are many different factors to consider. The reason for this is because each product is made up of a base as well as a variety of different additives. However, every brands tend to formulate their product in a unique way.

Some mechanics actually stated that as long as the engine oil manufacturer is API certified, then it is totally fine to mix two brands of oil together. However, if you are not sure, then make sure to check the label just to be on the safe side.

At some point, you may have to mix engine oils due to the fact that you will need to undertake an oil change so that you can prevent any form of long term damage to happen to your car’s engine.

Can You Mix 5W30 and 10W30 Oil?

No, we don’t think it would be a good idea to mix engine oils with different specifications like this. The reason for this is because both oils have contrasting viscosities and are also designed for completely different types of use.

If somehow you are dealing with an emergency and the only option you have at the moment is to use two different engine oils rather than doing a straight swap, we still think it would be best if you try to get an oil produced by the same brand. If you are still unable to do this, then what you can do is find an engine oil that matches the API specifications of the oil that’s already in your car as this will reduce the risk of any damage.

Once everything is fine, we recommend that you get the correct oil and drain the old oil completely just to ensure that you don’t experience any form of problems over a period of time.


We don’t think it would be a good idea to to mix engine oil from different brands, but sometimes we find ourselves in certain situations where we have no other choice but to do so. If it’s a case where you have mix engine oils in extreme circumstances, it’s best to do a oil change as soon as possible just to be on the safe side.