Can I top up my engine oil with a 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 it OK to mix different brands of engine oil?

THE ANSWER IS NO!

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.

Can you top off with different oil?

Yes. If it's something you do only occasionally, mixing shouldn't damage your engine. Let's say you want to top off your oil, just to keep you rolling until your next regularly scheduled maintenance check. Mixing is alright, if the oil you use is the weight (or viscosity) recommended in your owner's manual.

What happens if you put new oil on top of old oil?

What happens if you put new oil on top of old oil? When you mix new and old oil, the new oil becomes “watered down” with the lack of interfacial tension and strains to do its' job. Be sure to have your oil changed as soon as possible.

What happens if you mix engine 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.

Will Mixing 10 Motor Oils Damage an Engine? Let's find out!

Can you mix Valvoline and Castrol?

Q: Can I Mix Castrol And Valvoline? Mixing different oil brands is possible, so long as they are of the exact specifications. If you have Castrol 5w30 oil, mix it with Valvoline 5w30. There will be no problem when it comes to performance.

Does brand of oil matter?

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.

Are all engine oils the same?

Viscosity and specification explained

Engine oils aren't all the same. You can't assume that the same oil you used for your last car will work for this one. So if you need to top-up, make sure you use the right grade and specification.

Is there any difference between engine oil brands?

It is basically the same brand of motor oil, according to myth. There is no truth in that statement. It is possible for base oils, additives, etc. to differ from brand to brand.

Do different engine oils matter?

Mixing different oils will not improve the performance or efficiency of the engine in any way. The additives in synthetic oil may have limited or no effect at all when mixed with a regular engine oil.

Are all synthetic oil brands the same?

Not all synthetics are formulated the same way. They can contain very different types and combinations of base oils and additives. Even minor differences in formulation can have a major effect on performance.

Can I mix two brands of synthetic oil?

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 I mix Castrol and Shell?

You'll be fine.

Can I mix Valvoline and Pennzoil?

Yes. It is not possible to mix synthetic and conventional motor oil. Synthetic oil, however, will lose some of its advantages when conventional oil is used.

Is it OK to mix engine oil viscosities?

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.

Can I top up engine oil when engine is hot?

You can put oil in your car when the engine is hot. Check the oil level after the engine has cooled, but it is safe to add oil to your car if it is warm or slightly hot, provided it has been turned off for several minutes. Be sure to avoid overfilling the oil past the “max” line on the dipstick.

Can you mix 5w30 and 5w40 oil?

you can mix 5w30 with 5w40, you won't notice much of a difference in regular temperatures, but if you have a high-end, luxury car or performance car, it might be a good idea to use the only 5w40, even in emergencies, as it might cause inconsistencies especially under load which can lead to unwanted damage.

Can you put full synthetic oil in any car?

It protects better, performs better, and lasts longer, and it's no longer made with a chemical compound that could hurt older vehicles. Modern synthetic oil is safe to use in all types of vehicles, ranging from new purchases to classics to aging not-so-classics.

What is the disadvantage of synthetic oil?

Probably the most glaring downside of synthetic oil is the cost. The price of synthetic oil is around two to four times the price of conventional oil. Synthetics may be more prone to additives precipitation during cold storage conditions.

How many miles can you go on full synthetic oil?

Synthetic Oil Change Interval

If you are using synthetic oil, the interval between oil changes can be extended. Manufacturer recommendations range from 5,000 miles to 7,500 miles, on average. Some recommended intervals might be shorter or longer.

How often should you change your oil?

It used to be normal to change the oil every 3,000 miles, but with modern lubricants most engines today have recommended oil change intervals of 5,000 to 7,500 miles. Moreover, if your car's engine requires full-synthetic motor oil, it might go as far as 15,000 miles between services!

What is best oil for high mileage cars?

Is it worth it to get synthetic oil?

Is synthetic oil better for my engine than conventional oil? Yes, synthetic oil is better for your engine than conventional oil. Although conventional oil (i.e., mineral oil) can provide adequate lubrication performance, it can't compete with the overall engine performance and protection provided by synthetics.

Can putting the wrong oil damage engine?

Using the wrong oil can lead to reduced lubrication and shorter engine life. If the manual says to use synthetic oil, do so. Contrary to what some believe, adding synthetic oil to regular oil won't harm the engine, but there's also no benefit in doing so.