What Happens If You Mix Car Oil Brands?

Can you mix different 5w30 oils?

Yes, you will be fine so along as the viscosity grade of the two oils are the same (e.g.

5W-30 and 5W-30).

Never mix 5W-30 and say 10-40..

What happens if I use 0w20 instead of 5w30?

0w-20 is simply a different viscosity of oil. It won’t be an advantage to your engine if your manufacturer suggests you use 5w-30 and may indeed be a detriment to your engine. … I would suggest using a viscosity for your engine that your manufacturer recommends. You can find that recommendation in your owner’s manual.

Will thicker oil damage my engine?

Not only that, but the engine will waste energy pumping the thicker motor oil, reducing fuel economy. Since thicker oils don’t transfer heat as well as thinner oils, operating temperatures will increase, too, possibly leading to accelerated chemical break down and harmful sludge and deposits.

Can you mix 5w30 and 10w40?

As posted above, mixing 5w30 with 10w40 will give you an oil that performs somewhat better in the cold than 10w40, but less good cold than 5w30, and that has a viscosity a bit higher than 5w30 but a bit lower than 10w40.

Does oil brand make a difference?

Basically, while the oils do the same thing, the various brands have differing detergents and additives in differing amounts. you will often, but not always, get what you pay for in regards to engine oil. And the nicer ones typically just last longer without as much grunk in them.

Is it OK to mix brands of motor oil?

THE ANSWER IS NO! Even if two different brands of oil have the same viscosity, you still should not be mixing them together. … 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 mix 5w30 and 10w30?

Yes, if topping up. If your oil must be topped up, then you are burning oil already, so the difference won’t cause more damage than is already there. 5W30 and 10W30 are essentially the same at operating temperature. It is only for cold weather starting that the performance will be different.

Can you mix different oil viscosities?

Different viscosities of the same brand oil will have different amounts of viscosity index improvers (polymers), but otherwise the additive systems will be the same. … It is always advisable to not mix motor oil brands, however, different viscosity grades of the same brand motor oil are compatible.

What are the top 5 synthetic motor oils?

6 of the Best Synthetic Oils for Protecting Your Car’s EngineMobil 1’s 0W-40 Synthetic. Mobil 1 amazon.com. Shop Now. … Pennzoil Ultra Platinum 0W-40. Pennzoil amazon.com. … Motorcraft Synthetic Blend 5W-30. Ford amazon.com. … Motorcraft Full Synthetic 5W-50. Ford amazon.com. … Castrol Edge Professional OE Full Synthetic 0W-20. Castrol amazon.com. … Castrol Edge Supercar 5W-50. Castrol amazon.com.

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

10w30 is thicker then 5w30 because it has a higher viscosity in low temperatures. The engine oil will flow slower than 5w30 during the cold season. Thicker or higher viscosity metal oil has a better seal compared to low viscosity oil. Thicker oil offers better lubrication of motor and engine parts.

Does 10w40 hurt 5w30 engine?

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.

Can I use any 5w30 oil in my car?

Posts: 155,906. 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.

Are Walmart oil changes good?

Our conclusion: While not all oil changes include the same services (tire pressure check, etc.), Walmart is the cheapest place for a basic oil change, with prices comparable to DIY — minus the supply costs, time, and grime.

Does brand of oil matter?

No. Switching brands is not harmful to your engine as long as you choose an oil marked with the API donut of the same level, e.g., API SN. … You may give up enhanced performance if you switch from synthetic or high mileage to conventional oil. MYTH: When motor oil becomes dark, that means it’s time to change it.

Is Mobil 1 better than Pennzoil?

Now that you’ve gone through the complete Pennzoil Platinum vs. Mobil 1 comparison, what’s your take? … It is almost 3x stronger against viscosity breakdown than Mobil 1 Extended Performance Synthetic Motor Oil. You can drive up to 15000 miles without worrying about the oil change.

What are the disadvantages of synthetic oil?

Disadvantages of Synthetic Motor OilMany of the synthetic oil blends reduce friction better than conventional motor oil. … Synthetic oil does not hold lead in the suspension of the oil. … Problems with racecar type engines using roller lifters. … Synthetic oil has different disposal methods.More items…•

What happens if I mix 5w20 and 5w30?

You can mix a 5W20 with a 5W30 oil with minimal amount of issues provided it the same manufacturer and the same API classification. … I would suggest just getting the oil changed.

Will 5w30 hurt 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.

Is Valvoline better than Mobil 1?

Formulated with more anti-wear additives that stay in your oil longer, Valvoline™ Full Synthetic High Mileage with MaxLife™ Technology provides 40% more anti-wear film than Mobil 1 High Mileage*.

What happens if I use the wrong oil for my car?

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

What is the best engine oil brand?

The 5 Top-Rated Synthetic OilsEditor’s PicksBrandRatingBest OverallValvoline SynPower 0W-20 Full Synthetic Motor Oil4.8Runner UpMobil 1 120760 Synthetic Motor Oil 0W-404.8Best Budget BuyAmazonBasics Full Synthetic Motor Oil4.7Best Synthetic Blend OilShell Rotella T5 Synthetic Blend Diesel Motor Oil 15W-404.51 more row•Jun 9, 2020