Can you mix 5w30 and 0w40?

Can I Mix 0W-40 With 5W-30 Engine Oil? Yes, if your car manufacturer approves it. If not, you should only use the approved oil. 0W-40 and 5W-30 oils can be combined because 5W-30 is thicker oil than 0W-40, and the extra, lower viscosity will make the start-up oil flow easy and efficient.
Takedown request   |   View complete answer on repairsmith.com


Can you use 0W-40 and 5W 40?

Substituting engine oils is an issue many people have a concern about, considering that some industry pundits advise against it. In the case of 5w40 and 0w40, you can use them interchangeably as they have almost similar characteristics.
Takedown request   |   View complete answer on rxmechanic.com


What is the difference between 5W30 and 0W-40 oil?

You need to remember that motor oils with thick viscosity perform best in the hotter regions, while motor oils with thinner viscosity perform best in the colder regions. If we compare between 0W40 and 5W30 oils, 5W30 oils are thicker than 0W40. Consequently, they perform better in hot temperatures.
Takedown request   |   View complete answer on carfueladvisor.com


Can you 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.
Takedown request   |   View complete answer on mechanics.stackexchange.com


What is 0W-40 oil used for?

0W-40 motor oil. 0W-40 oils are recommended by automakers for many types of European vehicles, including Mercedes-Benz, Porsche and Volkswagen. The viscosity is gaining popularity with American automakers for high performance engines in both cars and pickup trucks.
Takedown request   |   View complete answer on mobil.com


0w-40 vs 5w-30 comparison



Is it OK to use 0W-40 instead of 5W-30?

Can I Mix 0W-40 With 5W-30 Engine Oil? Yes, if your car manufacturer approves it. If not, you should only use the approved oil. 0W-40 and 5W-30 oils can be combined because 5W-30 is thicker oil than 0W-40, and the extra, lower viscosity will make the start-up oil flow easy and efficient.
Takedown request   |   View complete answer on repairsmith.com


What temp is 0W-40 good for?

In general, 0W40 oils work best in a temperature range of -40 °C to +40 °C. Even in cold climates your engine is well protected all year round.
Takedown request   |   View complete answer on addinol.de


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.
Takedown request   |   View complete answer on jiffylube.com


What happens if you mix oil viscosity?

Oils are also made available with different grade ratings that determine the viscosity and its ability to perform under varying weather conditions. 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.
Takedown request   |   View complete answer on zigwheels.com


How bad is it to mix oil?

Mixing different types can destabilize your motor oil, reducing its efficiency and affecting your engine's performance. The smartest choice is to stick with the oil type and oil change intervals recommended by your car's manufacturer and visit your local car care experts for affordable services.
Takedown request   |   View complete answer on tiresplus.com


Is 0W oil better than 5W?

The first number of a multi-grade oil designates the ability for the oil to be pumped and flow at colder temperatures; the “W” stands for winter. Thus, a 0W oil will be able to flow faster and get to critical engine components better than a 5W or a 10W oil; especially in extreme cold conditions and at engine start-up.
Takedown request   |   View complete answer on pennzoil.com


Is 0W-40 thicker than 5W30?

Now let's compare them when cold. As you can see above, 0W40 at 79.9 cSt when cold, is definitely thicker than 5W30 at 62.4 cSt when cold. In fact, 0W40 is a substantial 28% thicker when cold, even though it is rated as a “0”wt when cold, which most people would expect to be thinner than a cold rated 5W.
Takedown request   |   View complete answer on corvetteforum.com


Which is better 5W30 or 5w40?

5w30 can be used by different type of vehicles and in different range of temperatures, but is ideal for colder temperatures. 5w40 is often used in higher mileage engine sand performs better in warmer temperatures.
Takedown request   |   View complete answer on differencebetween.net


Can you use 0W-40 instead of 5W20?

Re: Can I use 0W-40 high performance synthetic oil

The 0 part means its got the cold-weather viscosity of any 0 weight oil, and will pour even thinner than 5W20 when cold. That's good.
Takedown request   |   View complete answer on electricvehicleforums.com


Will thinner oils damage your engine?

Just like using an oil with too high a viscosity may lead to problems in Brad's engine, using a thinner oil can have the same result. Oil that's too thin can fail to develop a consistent lubricating film, inviting metal-to-metal contact that causes wear. Extreme stress and heat add to the challenge.
Takedown request   |   View complete answer on blog.amsoil.com


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.
Takedown request   |   View complete answer on columbiatireauto.com


Is Thicker oil better for high mileage cars?

The slightly thicker oil film from the heavier base weight oil - 10W - can help protect worn engine bearings as well. As long as you're not hearing knocking or serious mechanical noises from the engine, the heavier oil should buy you many more miles of service from your vehicle.
Takedown request   |   View complete answer on tucson.com


Is it OK to top up engine oil with different brand?

You can add any engine oil as long as it has the right specifications — preferably with an official approval of the OEM (Original Equipment Manufacturer). Not the brand, but the specification and viscosity indicated in your car's manual are your reference for using the right oil.
Takedown request   |   View complete answer on wolflubes.com


Is it OK to switch from synthetic blend to full 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.
Takedown request   |   View complete answer on pennzoil.com


Can I mix fully synthetic oils?

So, in the end, conventional and synthetic oils are comprised of the same, compatible components – it's just that the components in synthetics are much higher quality. While you can safely mix synthetic and conventional oils, you're doing nothing more than diluting the performance of the synthetic oil.
Takedown request   |   View complete answer on blog.amsoil.com


Is 0W-40 synthetic?

Keeps engines running like new in all driving conditions

Mobil 1™ FS 0W-40 advanced full synthetic motor oil is engineered to deliver excellent all-around performance in gasoline and diesel engines (without Diesel Particulate Filters or DPFs) with the latest technological advancements.
Takedown request   |   View complete answer on mobil.com


Why do European cars use thicker oil?

Longer drain intervals common with European cars require an oil capable of protecting against wear, deposits and sludge for the duration, which requires a more robust oil.
Takedown request   |   View complete answer on blog.amsoil.com


Can we mix 5W-30 with 5w40?

Its not the viscosity that you need to be concerned about (5w30 or 5w40) but rather the type of oil you are mixing. If it is fully synthetic there is no issue. If its conventional, there may be a warning against mixing brands and or type of oil.
Takedown request   |   View complete answer on quora.com


What happens if you put 5w40 instead of 5W-30?

In practice, this means that each oil is just as viscous at lower temperatures and will remain viscous at -30°C, however 5w40 oil outperforms 5w30 oils at higher temperatures, being effective up to ambient temperatures of 50°C, as opposed to 30°C.
Takedown request   |   View complete answer on services.totalenergies.uk


Is 5W-30 good for winter?

The Bottom Line. A multi-viscosity 5W30 oil flows quicker in cold weather and is recommended for year-round protection, and a synthetic 5W30 multi-viscosity will provide the best protection you can get in both extremely cold weather and extremely hot engine temperatures.
Takedown request   |   View complete answer on firestonecompleteautocare.com
Previous question
What is the point of a sleeper gown?