Quick Answer: Which Is Better 5w 20 Or 5w 30?

Is there a big difference between 5w20 and 5w30?

The key difference between 5W20 and 5W30 motor oil is that the former is thicker or less viscous.

The more viscous motor oil is, the better it will be able to resist the heat and not break down.

In this case, 5w30 oil will provide better overall engine protection than 5w20..

When should I switch from 5w20 to 5w30?

On a vehicle engine with 5W20 printed on the oil fill cap…. If the engine was originally designed to run 5w-30 then make the switch immediately. See if any of your engines were back specced from 30 to 20. Oil fill cap is not stamped by the engine designers.

What happens if you put 5w20 in a 5w30 car?

If you put in 5W-30 oil instead of 5W-20 when the latter is the grade suggested by your vehicle’s manufacturer, damage to internal engine parts can occur. Additionally, your engine may experience performance issues such as diminished fuel economy and horsepower.

Can I use any 5w30 oil in my car?

If your car takes 5w30 oil and you put 5w30 oil in it, it’ll be fine. Totally wrong, these days the spec compliance of an oil is often more important than the viscosity. Don’t put any 5w30 in, put the correct 5w30 in.

Is it OK to use 5w30 instead of 5w20?

There is no harm in using 5W30 instead of 5W20.

Which is better 0w 20 or 5w 30?

0W-20 OIL. … It readily means that the 0 oil will flow well and better at a cold temperature more than 5W-30 oils even while maintaining the same viscosity. The 0W-20 is said to be the best oil in the market because it helps to reduce environment hassle on waste oil disposal.

What happens if you put 5w30 in a 5w20 engine?

Due to the increased resistance of the thicker 5W-30 oil, your engine will produce slightly lower fuel economy and horsepower output. You also risk engine damage when using 5W-30 instead of 5W-20, as the internal engine components are specifically designed to be used with 5W-20 motor oil.

What happens if you put the wrong oil in your car?

The brand of motor oil matters little, but its viscosity grade (10W-30, for example) is important. … Using the wrong oil can lead to reduced lubrication and shorter engine life. If the manual says to use synthetic oil, do so.

Will 5w30 hurt a 0w20 engine?

A 5W-30 full synthetic will flow fine. If you look at the owner’s manual for the same Toyota engines in many other countries, they specify 5W-30 for better engine longevity. The reason why they specify 0W-20 (and new cars are trying to go lower such as 0W-16) is for better gas mileage.

What is the best 5w20 synthetic oil?

Top 3 Best Synthetic 5w20 Motor OilPressed For Time – Here’s Our Top 3.Castrol 03086 EDGE Extended Performance 5W-20 Advanced Full Synthetic Motor Oil, 5 Quart. Pros. Cons. … Valvoline SynPower 5W-20 Full Synthetic Motor Oil – 5qt (787023) Pros. Cons. … Valvoline High Mileage with MaxLife Technology 5W-20 Synthetic Blend Motor Oil – 5qt (782253) Pros. … Conclusion.

Can you put 10w30 in a 5w20 engine?

Originally Answered: Can I put 10w30 instead of 5w20? You can, but you will get worse mileage, and in most cases shorten the life of your engine, as it will take longer to pump up pressure for your bearings and lifters, and won’t spray your lower cylinders for an extra second or so on each cold start.