Can you mix 0w20 and 5w30?

THIS. And now with a warmer summer no problem using 5-30 better protection, I would not use it if I had a 2010 or newer with less than 40k miles, but mixing should be ok, It will protect and no damage to worry about.
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What happens if you mix 5W 20 and 0W-20?

It's possible to mix both 0W20 and 5W20 engine oils. However, it isn't advisable to mix them. Both 0W20 and 5W20 have almost the same properties when utilized in fair-weather temperatures, so they are technically compatible. However, there's a higher chance that their blending will fail at the -35°C test.
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Can you mix 0W with 5W oil?

As mentioned, you can mix the (w) portion. The 0w or 5w is the winter rating of the oil which shows how well it will hold its viscosity in colder climates. The other number is the weight of the oil and can't be mixed.
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Is 5w30 the same as 0w20?

Differences between 0w20 and 5w30 engine oils

Despite the presence of certain similar characteristics, there are a number of significant differences between these oils that should be considered: The operating temperature range for 5w30 oil is significantly wider than for 0w20.
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Can you use 5W 20 oil in a 0W-20 engine?

Yes you can use both. 0w-20 just provides better engine protection when starting up in cold cold winters. You should use what's specified in the owner's manual.
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0W-20 or 5W-30 for BRZ/FRS/86 (Discussion}



Does 0W20 damage engine?

Answer: Yes, 0W-20 is unquestionably safe for your engine. Manufacturers have been specifying 5W-20 and 0W-20 since the early part of the last decade and there is no evidence whatsoever that engine wear rates have increased.
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What's the difference between OW 20 and 5W-20?

As 0W20 is a far thinner oil than 5W-20, it is more stable at cold temperature than the latter and flows smoothly through the critical engine parts. 5W-20 is a comparatively thicker viscosity oil and is better for a normal operating temperature range of -22°F to 68°F.
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Which oil is better 0W20 or 5W-30?

0w20 engine oil is known as the popular choice of lubricant that delivers the best performance. It flows well even at cold temperatures when compared to the 5W-30 oils, thanks to the ability of the lubricant to maintain the same viscosity or the semi-fluid consistency throughout the internal structure of an engine.
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Is 5W-30 thinner than 0W-20?

During summer, viscosity becomes higher, and during winter, viscosity becomes lower so that why it's preferred to put the OW-20 in summer seasons. Putting the 5W-30 in summer seasons will cause the oil to be thinner leading to damage in the long run.
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Can I put 5W-30 instead of 0W20 Subaru?

Yes. Switching to Subaru Synthetic 5W-30 Motor Oil doesn't require any special steps or engine preparation. In an emergency situation, you can mix the two types of oil. However, it is best to not mix them, and the oil should be changed once you are out of this emergency situation.
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Can you top up 0W-30 with 5W30?

Can I Add 5w-30 To 0w-30? Is it possible? Yes. Viscocity oils flow slower than viscosity oils, so 5W30 will flow faster than 10W30 and 0W30 will flow faster than 5W30.
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Will mixing oils hurt your car?

Yes. It won't harm your engine to mix, for example, Quaker State® motor oil with Pennzoil, as long as the oil you use is the weight (or viscosity) recommended in your vehicle owner's manual.
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Can I mix two oils for car?

It is important to note that mixing different types of oil will not harm your engine in any way in the short term. The majority of synthetic and semi-synthetic engine oils are based on regular oil and can be used in engines. The engine will not be improved by mixing different oils.
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Can you mix different brands of oil with the same weight?

THE ANSWER IS NO!

(Why anyone would even consider doing this in the first place is something we cannot comprehend. But we digress.) Technically, using a grade of oil that's recommended by your car manufacturer is correct. However, if you combine two different brands of motor oil, you could be at risk of damage.
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What oil can I use instead of 0W20?

If SAE 0W-20 synthetic oil is not available, SAE 5W-20 conventional oil may be used.
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Can you mix 5W-20 and 5w30?

Yes, you can mix 5W20 and 5W30 oil. However, your engine MUST support it. Both oils should be of the same brand to prevent engine damage and should also be of a similar API service level.
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Is 0W-20 good for winter?

The grades give you a hint of how the oil will function in different temperatures. The two oils are multi-grade, meaning they work in both cool and hot temperatures. 0w20 is at the 0w mark, with the W standing for winter. It means it is an excellent pick if you live in cold areas.
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Does 0W-20 protect engine?

0W-20 oil is an increasingly popular motor oil for the typical passenger car. It's good for engine protection and helps with sludge buildup, fuel consumption, and fuel economy.
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Is 0W-20 oil always synthetic?

0W-20 motor oils require synthetic base oils and are either full synthetic or part synthetic (synthetic blend) motor oil; 0W-20 oils are not conventional (or mineral) motor oils. And the additives must be thin enough to move well but still protect these newer advanced engines.
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How often should 0W-20 oil be changed?

Maintenance intervals for synthetic oil

If your Toyota vehicle uses 0w-20 synthetic oil, the manufacturer has approved an oil change interval of 10,000 miles or 12 months. Vehicle owners who use this type of oil should regularly check the oil level in the engine and top it off as needed.
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Is 5W-20 too thin?

5W-20 oil is a relatively thin oil at very high temperatures, but it still provides decent protection and lubrication at a normal operating temperature in moderate climates. However, if you drive a lot in extremely higher temperature settings and hotter climates, you may want to switch to a higher oil viscosity grade.
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What happens if you mix 2 different oils?

Can oils of different grades be mixed? The good news is that mixing different types of oil it will not harm your engine in any way in the short run. Most synthetic and semi-synthetic engine oils are based on regular oil and are compatible.
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Is it OK to mix different viscosity oils?

yes you can mix same brand and type oils with different viscosity and it will be fine as long as you don't mix them 50/50. If you mix 200 ml of oil with the rest of oil needed for your engine you will be totally fine.
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Can you mix different weights of synthetic oil?

You can mix 'em just fine. While it's true that Synthetic isn't quite like dino-oil (where the base stock is essentially the same and viscosity deltas are mostly a function of additives). Viscosity is formulated into the synthetic, but there's no problem mixing. You can mix Synthetic and Mineral oils too, if you want.
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Why can't you go back to regular oil after synthetic?

Myth: Once you switch to synthetic oil, you can never switch back. This is one of the most persistent myths about synthetic oil—and completely untrue. You can switch back and forth at any time. In fact, synthetic blends are simply a mixture of synthetic and conventional oils.
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