Which engine oil is thicker?

Which oil is thicker 5w30 or 10w30?

10w30 is more viscous than 5w30 and is also the thicker fuel amongst the two. This changes the efficiency of the two oils as well. 5w30 is less viscous and therefore can reach even the difficult parts of the engine for lubrication. But this is not possible with 10w30 since they are thicker.

Which is thicker 10w30 or 10w40?

10W40 oil has a higher viscosity, retaining more thickness than 10W30 as the temperature rises. In that case, 10W-40 motor oil would technically provide better protection against engine wear contact in higher temperatures.

What oil is thicker 10w30 or 5w40?

Characteristics of 10W-40 Motor Oil

10W-40 is a bit thicker than 5W-40 but is still rather thin and works well to lubricate the moving parts of an engine during start-up. This oil’s number “40” means it will be a little thicker than average while exposed to the heat of a running engine.

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Which is thicker 5w20 or 5w30?


When it comes to their higher operating temperature performance, 5W30 motor oil performs slightly better than 5W-20 and is a thicker oil than its counterpart. 5W30 motor oil would be more robust and not break down very easily at a higher temperature.

What happens if you put 10w30 instead of 5W-30?

Synthetic oils will mix perfectly, as long as they have the same chemical composition. As a result, mixing 10w30 and 5w30 is not a problem since one will be topping up. It is not harmful to mix engine oils because 5w30 and 10w30 engine oils have close viscosity, so mixing them is not harmful.

What oil is thicker than 5W-30?

10w30 is thicker than 5w30 because it has a higher viscosity in low temperatures. The engine oil will flow slower than 5w30 during the cold season. Thicker or higher viscosity metal oil has a better seal compared to low viscosity oil. Thicker oil offers better lubrication of motor and engine parts.

Is it OK to use 10w40 instead of 10w30?

The 10w30 and 10w40 oil options are both acceptable for your car, but if you have a high mileage car, you should use the 10w40 oil. Viscous 10w40 is more viscous than viscous 10w30. Older engines are able to handle higher temperatures and wear and tear more efficiently with thicker oil.

Which oil is thicker 10w40 or 20W50?

The difference between 10w40 and 20w50 is simply that the latter is thicker. As far as gas mileage goes, no oil will improve your gas mileage by changing from 10W40 to 20W50 or vice versa.

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Can you substitute 10w40 for 10w30?

Mixing 10W30 with 10W40

You may get different responses when asked about mixing these two oil types. Some say that mixing them is fine as long as you don’t live in freezing weather. Even if you put together synthetic and conventional blends of these motor oils, they show no harm to your vehicle.

What happens if I use 10W40 instead of 5w40?

Can I Use 10w40 Instead Of 5w40? The synthetic engine will be fine as long as it is fully synthetic. 5W – 40 is better for colder conditions, 10W is thicker to start, so it does not get to places around the engine as quickly as 5W-40, but it all depends on the temperature.

Which oil is thicker 5w40 or 10W40?

Compared to 5W40, the 10W40 is thicker but a little bit thinner than average engine oils. This motor oil works perfectly well to lubricate all moving parts of your motorcycle’s engine during start-up.

Will thicker oil damage my engine?

Using oil that is thicker than recommended may lead to a decrease in fuel economy, a higher load on your engine, and even a shorter life for your engine. Conversely, using thinner, lighter-weight oil than recommended can cause excessive wear and shorter life. Follow the manufacturer’s instructions.

What if I accidentally put 5W-30 instead of 5w20?

If you mix 5w30 and 5w20, the oils will mix, but they will not blend into a single oil. So, they will stay separate and flow. Because the two oils have the same viscosity in freezing temperatures, they would both flow uniformly to the top ends.

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What oil is thicker than 5w 20?

10w30 and 5w20 engine oils have similar SAE ratings, which means that they will perform similarly at operating or high temperatures. The number 30 indicates the viscosity of the oil at high temperatures, as stated before. 10w30 tends to get thicker in cold weather which makes 5w20 better suited for these environments.

What oil is thicker than 10w30?

The quick answer is 10W40 is a thicker engine oil than 10W30 at higher temperatures. Both have almost the same characteristics, and the only difference is the oil viscosity.