Is it OK to mix brands of motor oil?

WHAT ABOUT MIXING ENGINE OIL BRANDS? 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


Can you mix different brands of the same motor oil?

THE ANSWER IS NO!

(Why anyone would even consider doing this in the first place is something we cannot comprehend. But we digress.) 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.
Takedown request   |   View complete answer on torque.com.sg


Can you mix two different engine oils?

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.
Takedown request   |   View complete answer on zigwheels.com


Can I mix Castrol and Valvoline?

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.
Takedown request   |   View complete answer on rxmechanic.com


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


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



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.
Takedown request   |   View complete answer on tiresplus.com


Can I use 5w30 instead of 5w20?

In general, it is not recommended that you use 5w30 oil (or any other oil weight) in place of 5w20 oil, as the slightest difference in viscosity can potentially damage your engine.
Takedown request   |   View complete answer on getjerry.com


Can you mix two different brands of synthetic oil?

Is it okay to mix different oil brands or types (i.e. synthetic oil and conventional oil)? Yes, you can safely mix one brand of oil (e.g. Mobil 1) with a different brand (e.g. AMSOIL) or conventional oil with synthetic oil (in fact, that's what a synthetic blend is).
Takedown request   |   View complete answer on selectsynthetics.com


Is 5w30 good for high mileage?

Amazon Basics Full Synthetic is the best 5w30 oil for high mileage vehicles. This oil should only be used on vehicles exceeding 75,000 miles. This motor oil is formulated for longer drain intervals. It helps in preventing a build-up on drain intervals and preventing rust and corrosion.
Takedown request   |   View complete answer on rxmechanic.com


Will the wrong oil damage my engine?

Cause damage to engine life

The wrong engine oil can cause engine damage because it does not properly lubricate its components. This will lead to metal-on-metal contact since the moving parts are not being lubricated. Friction quickly follows, causing engine parts to wear.
Takedown request   |   View complete answer on whocanfixmycar.com


Why is Mobil 1 the best oil?

Because Mobil 1 works much faster, the engine reaches peak operating efficiency much sooner. Mobil 1's robust antioxidant system resists oxidation and oil thickening better than conventional oils, resulting in lower friction and better fuel economy.
Takedown request   |   View complete answer on mobil.com


How often should I change synthetic oil?

Unlike regular car oil, synthetic oil is more refined which can lower friction, reduce engine sludge, and increase engine performance. It's recommended that you change synthetic oil every 7,500 – 15,000 miles, depending on the vehicle and the brand of synthetic oil used.
Takedown request   |   View complete answer on oxmoortoyota.com


Is there any difference in motor oil brands?

The answer is... they're all interchangeable so long as they meet the oil weight and certifications for your vehicle.
Takedown request   |   View complete answer on thedrive.com


What happens if you put 10w30 instead of 5w30?

Can I Mix 10w30 and 5w30? Most oils will mix perfectly, provided they have a similar synthetic. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. Mixing the viscosity of oils will not have any effect on the engine.
Takedown request   |   View complete answer on rxmechanic.com


What happens if you put 10w40 instead of 5w30?

Your vehicle does not use 5W-30 oil. The recommended oil viscosity for your vehicle, according to Kia documentation, is 10W-40. If you drive the vehicle in exceptionally cold weather, well below 32 degrees, you can use 5W-30 oil but even 10W-40 is still perfectly OK to use if outdoor temperatures are below freezing.
Takedown request   |   View complete answer on yourmechanic.com


What happens if I put 10w30 instead of 5w20?

Notwithstanding the recommendations of the car manufacturer, mixing 10w30 and 5w20 will not cause any sort of harm to the engine. However, a few drivers claim that it is safer to combine two multi-grade or straight weight oils, rather than mixing multi-grade with straight weight oils.
Takedown request   |   View complete answer on motorverso.com


What are the disadvantages of synthetic oil?

A few disadvantages of synthetic oil to be aware of include: 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.
Takedown request   |   View complete answer on machinerylubrication.com


Can I put synthetic oil in my car after using regular oil?

regular oil and advising whether mixing motor oil is okay. So, can you mix synthetic oil with regular oil? Yes. If it's something you do only occasionally, mixing shouldn't damage your engine.
Takedown request   |   View complete answer on jiffylube.com


Is Full Synthetic better?

Overall, full synthetic oils provide better engine performance and protection than conventional and synthetic blend motor oils.
Takedown request   |   View complete answer on mobil.com


Is Mobil 1 better than Castrol?

Castrol Edge is a good fit for high-performance cars. Thus, you'll see it being a top choice for racing cars. The titanium technology reinforces the engine against breakdown. Mobil 1 is definitely the winner here.
Takedown request   |   View complete answer on motorverso.com


What is the difference between Mobil full synthetic and Mobil 1?

Mobil 1™, our line of advanced full synthetic oils, uses the latest in additive and base oil technologies for outstanding performance and protection. Mobil Super™ Synthetic is a full synthetic that uses synthetic base oils and provides performance consistent with many synthetics in the market.
Takedown request   |   View complete answer on mobil.com


Can I use 0w40 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


What's the difference between 5w30 and 5W20?

5w20 is an engine oil type characterized by its winter rating of 5 and an oil weight of 20 in warmer conditions. It is less viscous compared to 5w30. 5w30 has the same viscosity rating of 5 during winter but an oil weight of 30 during hotter conditions hence it is thicker.
Takedown request   |   View complete answer on differencebetween.net
Previous question
Why does my tampon hurt when I sit?