It actually stands for Winter. That's because0W-30 engine oil is formulated to flow like a 0Weight oil in cold conditions, yet offer the protection of a30 Weight motor oil when the engine reaches its fulloperating temperature..
Also know, what is 0w 30 oil used for?
Mobil 1™ 0W-30 is an advanced fullsynthetic engine oil designed to help deliver outstandingengine protection and enhanced fuel economy.
Also Know, what is the difference between 0w 30 and 0w 40? In fact, 0W-40 has more zinc andphosphorus than 0W-30. 0W-40 is abouthalfway between 0W-30 and Mobil 1 Racing Oil in zincand phosphorus. The values for 0W-30 is the same forall "low-performance" vehicles, and the numbers go up forperformance vehicles, so I would go with 0W-40 forsure.
Then, is 0w 30 thicker than 5w30?
Both will be -ABOUT- the same viscosity when atoperating temperatures, but as the temperature of the oil drops,the 5W-30 will generally thicken more than the0W-30 will. The difference generally gets moredramatic as temperatures fall toward freezing andbelow.
Can I use 0w 30 instead of 5w 30?
A 0W-30 low viscosity oil can beused where a 5W-30 or 10W-30 is recommended.Switching to a Mobil™ 0W-30 motor oilcan help improve fuel economy because of the lower frictionproperties offered by this full synthetic formulation. GeneralMotors recommends dexos1 certified motor oils for all 2011 or newervehicles.
Related Question Answers
What does 0w mean in oil?
With multi-viscosity oils, a “W”after the number stands for “winter” grade oil.Low viscosity motor oils that pour easily at lowtemperatures typically have a 0W, 5W or 10Wrating.Can I use 5w 30 instead of 0w 40?
0W-40 is much better for the summer.Mobil1 SuperSyn 0W-40 is some pretty good stuffoverall. You can certainly use 5W-30, but Iwouldn't, particularly if your engine has seen only 40weight oil its whole life, or if you live in a very hot climate.This means that the oil will not thin out as much withuse.Is 0w 30 the same as SAE 30?
0W30 is NOT the same as 30.Straight 30 is just that. The viscosity remains at 30in it's operating range. "0W" is the Winter designation andmeans the oil's viscosity will drop to 0 in it's cold operatingrange and raise to 30 as it heats up.What is the difference between 0w 20 and 0w 30?
Originally Posted By out-a-ammo: Can anyone tell me thedifference between 0W-20 and 0W-30 motor oil?The second number indicates the oil's viscosity at operatingtemperature. The 0W-30 will be thicker than the0W-20 when the engine is warm, but the same thicknesswhen it is cold.What is 0w 40 oil used for?
Mobil 1™ 0W-40 Advanced FullSynthetic Motor Oil is engineered for the latest gasolineand diesel (without Diesel Particulate Filters or DPFs) enginetechnology delivering excellent all-round performance. It providesexceptional cleaning power, wear protection and overallperformance.Is it bad to put 5w30 instead of 0w20?
0w20 is a fully synthetic motor oil. 0w being thewinter weight, the viscosity of the oil at freezing temperatures.5w30 can be fully synthetic, however, putting it intoyour engine which is designed for 0w20 is a bad idea.If it isn't on the fill cap don't put it in yourengine.What is 0w 20 oil used for?
Honda and Toyota, among other auto manufacturers, oftenrecommend 0W-20 low viscosity oils for theirvehicles. These manufacturers have selected this low viscosity,full synthetic formulation to optimize fuel economy. Mobil™0W-20 motor oils can also be used where5W-20 is recommended.Which is better 5w30 or 10w30?
A higher viscosity oil, such as 10w30, will flowslower at low temperatures compared to a lower viscosity oil like5w30. A higher viscosity or thicker oil will sealbetter than a low viscosity oil. A thicker oil will alsoprovide better lubrication of critical engineparts.What is the difference between 5w30 and SAE 30?
The W means winter. So the first number such as 5 in5w-30 means that it flows better when cold. 10w-30would be a bit thicker while cold. However it is important to notethat the 30 is the same across all three oils, meaning thatthey will all be the same viscosity once the engine is at fulloperating temperature.What is the 30 in 5w 30?
In a 5W-30 for example, the number beforethe W describes the viscosity of the oil at low temperatures. Thelower the number, the thinner the oil and the better the oil's coldtemperature/ cold start performance. The number after the Wdescribes how thick the oil is at the engine's normal operatingtemperature.Is 5w30 better than 0w20?
The only Honda I own recommends 10W-30, but 5W-40 may beused for better cold starting. Motor oil of 0W20grade is supposed to be kind of like 5W20, but with bettercold start performance in winter in colder climates. Once engine iswarm, they should both flow like 20 grade oil.Which oil is better 5w30 or 5w40?
If the oil is thinner, it has a lower viscosity.In general, viscosity refers to the ease of liquid flow.5w30 and 5w40 motor oils have the number 5which is then followed by W. W represents winter and not weight.This means that the oils flow easier through the engine atvery low temperatures.What does SAE stand for?
Society of Automotive Engineers
Is 5w 30 oil synthetic?
Mobil 1 5W-30 Full Synthetic MotorOil, 5 qt. Mobil 1 5W-30 is an advanced fullsynthetic engine oil designed to keep your enginerunning like new by providing exceptional wear protection, cleaningpower and overall performance.What is thicker 5w or 10w?
A 5W oil is typically what's recommended forwinter use. Once the engine is running, the oil heats up. Thesecond number in the viscosity rating—the "40" in10W-40, for example—tells you that the oil will staythicker at high temperatures than one with a lower secondnumber—the "30" in 10W-30, for example.Which is better 5w20 or 5w30?
The key difference between 5W20 and 5W30motor oil is that the former is thicker or less viscous. On theother hand, 5w30 motor oil is a suitable choice for hotterclimates where thinner oils tend to break down under hightemperatures.What is SAE 30 oil?
SAE 30 oil is a motor oil that has beengiven a viscosity rating of 30 by the Society of AutomotiveEngineers, according to AA1Car Automotive Diagnostic Help Center.Motor oils typically have ratings from 0 to 50.Is it OK to switch oil brands?
MYTH: Switching motor oil brands isharmful to my engine. No. Switching brands is not harmful to yourengine as long as you choose an oil marked with the APIdonut of the same level, e.g., API SN. You may give up enhancedperformance if you switch from synthetic or high mileage toconventional oil.How much oil does my car need?
Most engines require anywhere between 5 to 8quarts of oil, depending on the engine size. The smaller theengine, the less oil required to fill the volume of theengine. A 4-cylinder engine usually requires around 5 quarts ofoil. 
