Is 10W-40 OK for my car?

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


Is 10w40 good for my car?

The 10w30 and 10w40 oil options are both acceptable for your car, but if you have a high mileage car, you should use the 10w40 oil. Viscous 10w40 is more viscous than viscous 10w30. Older engines are able to handle higher temperatures and wear and tear more efficiently with thicker oil.
Takedown request   |   View complete answer on mcnallyinstitute.com


What is 10W-40 motor oil good for?

The synthetic 10W-40 flows easily and still maintains enough viscosity to protect piston skirts and bearings when it gets hot. The improved temperature stability of synthetics makes them a better choice for race engines and serious high-performance engines.
Takedown request   |   View complete answer on motorstate.com


Is it OK to use 10w40 instead of 10w30?

They are both available in pure conventional form or as high-quality synthetic grades. Either 10W30 or 10W40 for summer use is fine; however, 10W-40 motor oil will better protect your engine.
Takedown request   |   View complete answer on offroadingpro.com


What happens if I put 10w40 instead of 5w20?

Lose a little gas. mileage and lubrication is not as good plus it puts more strain on the oil pump. Never go thicker than a 5w30 and that would be more for an older higher mileage engine in warmer climates. So go change it back to 5w20.
Takedown request   |   View complete answer on focusfanatics.com


The One WD-40 TRICK every motorcycle rider NEEDS TO KNOW



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 it OK to use 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


Is 10W40 fully synthetic?

Semi-synthetic oils such as 10W40 have long been the standard. Their base is refined crude oil, which is then blended with additives. However the market is moving towards synthetic oils.
Takedown request   |   View complete answer on wolflubes.com


What does 10W-40 mean in oil?

The designation "10W-40" indicates a multigrade oil that is toward the low end of the SAE scale in cold weather, but at the upper end in hot conditions. 10W-40 oil is therefore good for a wide range of weather conditions.
Takedown request   |   View complete answer on itstillruns.com


Is 10W40 better than 5w30?

The 5w30 oil will flow better at low temperatures than the 10w40 oil. This means that the 5w30 oil will protect the engine better at low temperatures, usually when the engine is just starting or during weather conditions such as winter.
Takedown request   |   View complete answer on theydiffer.com


Is 10W-40 oil OK for petrol engine?

It has proven its quality in a lot of circumstances. it has high protective properties for the engine, and although the brand says this 10w40 oil can be used on diesel and petrol cars, you should be using this one on petrol cars especially because of its protective additives.
Takedown request   |   View complete answer on carphrases.com


Is Thicker oil better for older engines?

A: Yes. This is a practical method to improve oil pressure in an older, high-mileage engine. The slightly thicker oil film from the heavier base weight oil - 10W - can help protect worn engine bearings as well.
Takedown request   |   View complete answer on tucson.com


Is all 10W-40 oil the same?

The SAE grade (in this case 10W-40) only specifies the viscosity of the oil - it doesn't say anything specifically about the composition of the oil or any additives it may have.
Takedown request   |   View complete answer on mechanics.stackexchange.com


Is 10W-40 too thick?

A low viscosity oil will move quicker through the engine to keep it lubricated and cool. Additionally, if your engine has a lower running temperature, 10W-40 motor oil might be too thick. Its higher viscosity at running temperature can reduce engine effectiveness as it'll need more energy to keep the engine operating.
Takedown request   |   View complete answer on repairsmith.com


What happens if you use the wrong engine oil?

You might notice a few oil spot in your garage or under your car because using the wrong oil can lead to leaks, or you might become aware of a burning smell while driving. If the oil isn't working as it should engine parts might not be lubricated well enough and cause friction, which can burn the oil.
Takedown request   |   View complete answer on rainbowbodyshops.co.uk


What engine oil is best for my car?

One of the most important things to get right when choosing oil for your car is the correct grade of engine oil. If you look at the label you'll see a number of digits, such as 10W-40 or 5W-30 – and it's these numbers that you'll need to get right (see below).
Takedown request   |   View complete answer on autoexpress.co.uk


Is 10W40 oil for petrol or diesel?

10w/40 SL/CH4 is suitable for normally aspirated and turbocharged, highly stressed diesel engines and petrol engines in passenger cars and light commercials particularly modern vehicles. It is miscible with all synthetic and mineral based engine oils.
Takedown request   |   View complete answer on westwayoils.co.uk


Is 10W40 thicker than 5W40?

10W40 Motor Oil Characteristics

Compared to 5W40, the 10W40 is thicker but a little bit thinner than average engine oils. This motor oil works perfectly well to lubricate all moving parts of your motorcycle's engine during start-up.
Takedown request   |   View complete answer on motoshark.com


Which engine oil is 10w40?

CHOOSE THE BEST 10W-40 OIL FOR YOUR ENGINE

Castrol GTX MAGNATEC is a premium full synthetic 10W-40 that offers superior wear protection. If your car has over 75,000 miles on the odometer, Castrol GTX High Mileage 10W-40 can help protect your emission system while helping to extend the life of your engine.
Takedown request   |   View complete answer on castrol.com


Will 10w40 hurt a 5w40 engine?

The synthetic engine will be fine as long as it is fully synthetic. 5W – 40 is better for colder conditions, 10W is thicker to start, so it does not get to places around the engine as quickly as 5W-40, but it all depends on the temperature.
Takedown request   |   View complete answer on mcnallyinstitute.com


Is Shell Advance 10w40?

100% synthetic 10w40 engine oil. Makes gear shifting smooth, reduce vibrations.
Takedown request   |   View complete answer on amazon.in


What is best oil for high mileage cars?

10 Top-Rated Oils and Additives for High-Mileage Vehicles
  • Valvoline High Mileage with MaxLife Technology Synthetic Blend Motor Oil. ...
  • Pennzoil High Mileage Motor Oil. ...
  • Slick 50 Recharged High Mileage Treatment. ...
  • Gumout Fuel System Cleaner. ...
  • Royal Purple High Mileage Synthetic. ...
  • Techron Fuel Cleaner. ...
  • Mobil Super High Mileage Oil.
Takedown request   |   View complete answer on autoweek.com


What oil is best for old engines?

When you're choosing the best oil for older cars or high mileage engines, there are several criteria you can look at.
  • Pennzoil High Mileage Conventional Motor Oil. ...
  • Castrol GTX Part-Synthetic High Mileage. ...
  • Valvoline MaxLife High Mileage Synthetic Blend. ...
  • Mobil1 High Mileage Engine Oil. ...
  • Amsoil Premium Protection Motor Oil.
Takedown request   |   View complete answer on carbrain.com


Does thicker oil affect performance?

Thicker Oil May Not Flow Quickly Enough

Its lower viscosity allows it to flow faster and fill the tiny clearances between parts, leading to a durable, consistent lubricating film. Not only that, but the engine will waste energy pumping the thicker oil, reducing fuel economy.
Takedown request   |   View complete answer on blog.amsoil.com
Previous question
What exercise burns the most fat?
Next question
Has any human been cloned?