Question: Does it matter which engine oil I use?

The most important thing is to use oil that’s the right thickness, or viscosity, for your car’s engine. Oil that’s too thick or thin won’t provide the necessary protection for your engine, which can result in costly damage. … The standards required for your car will also be listed in your owner’s manual.

Does it matter which brand of engine oil I use?

Does brand matter? As long as the grade and ACEA specification is correct, you should be fine. However, David Wright of the United Kingdom Lubricant Association recommends choosing reputable manufacturers. Some firms will blend more advanced, expensive oils that exceed the specifications on the packaging.

Is it OK to use different engine oil?

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. … Mixing different oils will not improve the performance or efficiency of the engine in any way.

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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.

Is name brand oil better?

Less expensive motor oil is less expensive due to the lower quality of its chemical makeup. Off-brand oils are full of harmful fillers that will end up doing more harm than good in the long run. That’s why it’s important to choose a high-quality motor oil for top engine performance. … Melted engines.

Can you mix different brands of fully synthetic oil?

Synthetic Oil Maker Recommendations

Synthetic oil makers state that it is an acceptable practice to mix synthetic oil from different manufacturers. In fact, synthetic oil can also be safely mixed with conventional oil.

Can putting the wrong oil damage engine?

Using the wrong fluid can cause poor lubrication, overheating, and possibly transmission failure. A mechanic might not be able to reverse the damage, even by flushing the transmission. Mistakenly adding motor oil or brake fluid can also destroy your transmission.

What happens if I use 10w40 instead of 5w30?

If you use 10-w-40 instead of 5-w-30 specified by the manufacturer then the viscosity of 10-w-40 used by you will be higher and oil thicker than what is specified during winters. Similarly the oil viscosity will be higher and oil thicker than specified during summers.

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Can I mix motor oils?

Since motor oils are generally made from the same ingredients (base oil and additives), they are typically compatible when mixed. (The American Petroleum Industry actually requires that all motor oil made in the U.S. be compatible with one another.)

Can I mix 2 different brands of motor oil?

It is still not a good idea to mix two different brands of oil, even if they have the same viscosity. The oil you use should be the grade recommended by your car manufacturer. However, if you mix two different brands of motor oil, you could damage your vehicle.

Can I mix synthetic oil with regular oil?

Mixing them will not improve the performance or efficiency of your engine in any way. … Adding synthetic oil to regular motor oil will not enhance the regular oil. Mixing regular motor oil with synthetic oil may dilute the benefits of the costlier synthetic oil.

Can you mix different brands of 5w30 oil?

It is perfectly ok to mix them. You won’t get the maximum protection of the best of them, but all motor oils are compatible. Actually, every time you change brands you are mixing about 15–20% of the old oil with the new that you are using.

What is the best engine oil brand?

Our Top Picks for Motor Oil

  • Best Oil for Most Cars: Mobil 1 Synthetic Motor Oil.
  • Best Synthetic Oil on a Budget: AmazonBasics Full Synthetic Motor Oil.
  • Best High-Mileage Oil: Valvoline High Mileage Max Life.
  • Best Conventional Oil: Valvoline Daily Protection.
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Is all engine oil the same?

What are engine oil specifications? Not all engines are the same, so it shouldn’t be a surprise that oils aren’t the same either. The specification is another way that engine oils differ. Car manufacturers and oil companies work together to agree performance specifications for engine oils.