5W30 Semi Synthetic Oil Vs 5W30 Synthetic: Which is best?

5W-30 semi-synthetic oil comes to use in many modern engine vehicles. This oil is made from high-performance base oils with advanced additive technology. Also, it comes with an anti-war package for superior engine protection with excellent fuel economy.

5w-30 semi synthetic oil

What Does 5W30 Mean?

The short answer is 5W30 number represents the oil viscosity, and the “W” stands for winter. To clarify, let’s get a long answer: SAE means the Society of Automotive Engineers. Ergo has developed a numerical code system for motor oil grading according to viscosity characteristics.

The reason is that, with the temperature, the viscosity of oil changes. That is why multigrade oils come to deliver protection across a temperature range. As a result, you can see something like this SAE 5W-30 on the label.

For example, a 5W-30, before the “W” number, describes the oil viscosity at low temperatures. Correspondingly, depending on the lower number, the oil is thinner.

And in cold temperatures, the performance of the oil is best. The number after the “W” indicates how thick the oil is at the motor’s average temperature.

5W30 Semi Synthetic Oil

Semi-Synthetic 5W30 oil meets American Petroleum Institute SN Plus and ILSAC GF-6A specifications for assurance and quality and assurance. However, below, we give more information about the 5W-30 semi-synthetic oil. Stay here.

Benefits and Features:

  • Superior wear protection through advanced oil film power, resistance to oil breakdown under challenging driving situations, and high temperatures.
  • Control the deposits by decreasing varnish and sludge formation to deliver a cleaner engine.
  • Completely compatible with traditional and synthetic engine oil.
  • Oxygen and CATALYST senor are friendly.
  • Maximum cold start security and lower viscosities allow quick oil flow at the beginning.
  • Decreases piston deposits
  • Lower the Turbocharger deposits

5W30 Semi Synthetic Oil Application:

You can use this 5w-30 semi-synthetic engine oil in modern 4,6 & 8+ cylinder multi-valve, supercharged and turbocharged engines injuring Hybrids. On the contrary, this 5w-30 semi-synthetic oil is not perfect for Diesel or Rotary engines.

Even so, you can use this 5w-30 synthetic oil where the manufacturer suggests SAE 10w-30 and 5w-30 oils. Moreover, you can use this oil where recommended GF-5, GF-4, ILSAC GF-6A fuel economy oils.

Additionally, this oil meets ILSAC GF-6A specifications, the modern API SP Resource Conserving. Mainly, it provides advanced turbocharger deposit control, aeration, oxidation, fuel economy, and more.

Also, it can provide idle stop wear and increased low-speed pre-ignition security. Hence, you can also use this oil in many late model petrol driven cars. Mazda, Kia, Toyota, Hyundai, Honda, and Nissan require this oil grade and viscosity.

Suitable Vehicle and Fuel Type :

Eventually, this 5W30 oil grade will be suitable for 4WDs, passenger cars, light-duty commercial cars, and more. As ILSAC GF-5 grade engine oil, you can use it on everyday roads using Flex Fuel systems where E85/E10 fuels are recommended. Unfortunately, you cannot use it in a four-stroke bike with a wet clutch.

Essential Information When Changing 5W-30 Semi Synthetic Oil:

You must use the best engine flush, solvent-free engine cleaning formulation when changing this oil. It’s because it can remove sludge and deposit and contamination of the engine with an oil service drain.

Notably, this oil additive contains added zinc for protection from wear. Mainly, in 10 minutes, its fast-acting formulation works.

5W30 Full Synthetic Oil

Full synthetic 5W-30 is a motor oil designed to keep your engine running like new by providing excellent wear protection and overall performance. You can undoubtedly use this 5W30 full synthetic oil in all types of modern gasoline cars. Likewise, it meets the industry’s most demanding standards and outperforms traditional oils. Actually, it will give better performance if you use 5W-30 Full Synthetic Oil instead of 5W-30 Semi-Synthetic Oil.

Read: Can I use 0W-20 instead of 5W-20?

5w30 semi synthetic oil

Features and Benefits

  • The triple-action formula provides exceptional engine performance, cleanliness, and protection.
  • Help to protect the critical engine parts up to 10,000 miles between oil changes.
  • To prevent oil breakdown and maintain viscosity, it controls oxidation.
  • Come with an ILSAC GF-6 standards aid to provide timing chain wear security and LSPI while helping to develop your fuel economy.
  • Extend engine life by operating to prevent sludge buildup and damaging deposits.

Semi-Synthetic Oil Vs. Fully

Everybody wants to know which oil is better, semi-synthetic or full. Well, luckily for you, we have included everything about semi-synthetic oil and fully synthetic oils. Even so, we have included what they are and which one you can choose.

What is Fully-synthetic Oil?

Fully-synthetic oil comes from the same unrefined oil as mineral oil. But fully synthetic and mineral oil processing aren’t the same. In fact, how they work there have significant differences.

This oil is refined to a level that enables distinct molecules within the oil to fulfill the vehicle engine’s demands. Due to this comprehensive method, it contains few impurities.

On the other hand, it flows freely and works better under extreme temperatures than traditional oil. Undoubtedly, fully synthetic reduces at a slower rate than mineral oil and continuously performs at its most excellent for longer.

These oils are necessary for new vehicles like turbocharged engines because they perform better at extreme temperatures than standard engines.

Fully Synthetic Oils Benefits Include:

  • Synthetic full oil contains fewer impurities and is environmentally friendly.
  • Help to cut emissions of the engine.
  • Since fully synthetic oil flows freely, it can start circulating with the engine. Whereas conventional oil takes a short time to heat the oil, and then it begins to circulate. That means this oil provides superior protection more quickly than mineral oil and helps to decrease wear.
  • Consequently, as fully synthetic oil can operate more quickly, it can reach operating efficiency quicker. That’s why it can improve fuel economy.
  • Above all, this oil can retain its wear protection over time, particularly in extreme conditions. On the contrary, mineral oil evaporates and breaks down in extreme conditions.
  • The American Automobile Association saw that motors with fully synthetic oil performed 47% better than mineral oil.
  • Though fully synthetic oils are primarily more expensive, their extended longevity creates cost-effectiveness over time.

What is Semi-Synthetic Oil?

Adequately, semi-synthetic oil is a composition of conventional mineral oil and synthetic oil. Accordingly, this oil can acquire higher performance than traditional mineral oil alone. Therefore, this oil is more reasonable than fully synthetic and provides some advantages of full synthetic oil.

Benefits of Semi-Synthetic Oil:

  • Typically, the low friction properties and low viscosity of semi-synthetic oils provide better fuel economy for your automobile.
  • Like the best of both worlds, this oil provides improved viscosity and lubricant life at a lower price than fully synthetic oil.
  • Usually, semi-synthetic oil comes with a fantastic engine defense at heavier loads and higher temperatures than other lubricants.

Can I Mix Semi-Synthetic and Fully-synthetic Oils?

As a general rule, we don’t give you the advice to mix different oils. We recommend always utilizing the oil specified by your vehicle manufacturer.

When you book a service for your car, we first change your vehicle oil and use your manufacturer’s recommended oil.

No dangerous situations will happen if you mix them or mineral oil. Without this option, if you haven’t, mix it before damaging your engine and running out of your oil.

While mixing both oils isn’t likely harmful, it can compromise your oil. Meanwhile, it can decrease its ability to work at its best and usually may not be stable.

Should You Choose Semi-Synthetic Oil Or Fully Synthetic Oil?

Generally, we recommend following your manufacturer’s instructions regarding which oil is best. Accordingly, using fully synthetic oil is essential if you drive many limes, and heavy-duty cars, and regularly carry heavy loads.

Yet, in these situations, fully synthetic provides more extensive protection for the engine and excellent value for money.

Semi-Synthetic Oil for Diesel Engines

Semi-synthetic SAE 15W-40 diesel engine oil comes with modern semi-synthetic technology. Surprisingly, this diesel engine oil provides superior protection for old to new diesel, small or large engines, and non-turbocharged and turbocharged engines.

In addition, the advanced formula can clean your engine’s internal parts for more extended periods than standard mineral oil. Nevertheless, it can fulfill the requirements of European Standards ACEA E7, API CI-4 plus, and most manufacturers’ specifications. This diesel engine oil is ideal for the blended fleet used for cars.


  • Specifically designed for diesel engines under load and high pressure
  • Formulation of semi-synthetic provides the best protection over standard mineral oil.
  • Suitable for turbocharged and non-turbocharged and heavy-duty to small diesel engines
  • Valve train protection and maximum deposit control
  • Incredible low temperature and cold start performance
  • Prevent oil thickening and provides outstanding viscosity control.

Semi-Synthetic Oil Motorcycle

Give your motorcycle the treatments it deserves with semi-synthetic motorcycle oil. Designed this semi-synthetic using base oil and modern additive technology. In particular, this oil offers developed heat protection and outstanding performance.

Most importantly, it can protect your engine against oil oxidation, corrosion, sludge, and deposits under harsh conditions.

The stable shear formulation protects this oil from viscosity loss and is an anti-wear package. Usually, it not only protects your engine but also offers optimum clutch slip resistance in engines. Easily it can lubricate and protect your motorcycle gearboxes.

Features and Benefits:

  • It is the base oil of semi-synthetic and offers performance and protection
  • Latest additives technology minimizes sludge formation and decreases piston deposits
  • Stable shear formula safe your engine oil from viscosity loss
  • Anti-wear full+zinc additive package provides ultimate engine wear security
  • Unique clutch slip resistance formula to use in bikes fitted with systems of a wet clutch.

Semi-Synthetic Oils 10W-40

10W-40 semi-synthetic oil for diesel and gasoline vehicles is semi-synthetic fuel oil based on selected base oil and particular additives. Perfect choice if you want to change your oil after a long time.

In a word, this 10W-40 provides high security when changing loads and excellent corrosion protection. To clarify, lower abrasion means fuel savings.

Benefits and Features:

  • All-weather semi-synthetic engine oils can protect and clean your engine.
  • Ensure a sleek cold start in all weather conditions.
  • Offers year-round performance
  • Compatible with turbocharged and non-turbocharged engines.
  • Come from a trusted technology for a broad range of petrol, dies, and LPG engines.
  • Fights with the three main reasons for the engine like sludge, wear, and deposits
  • Exceeds the importance of leading vehicle manufacturers
  • Lower fuel consumption and emissions


  • Can I use semi-synthetic oil instead of fully synthetic?

After using semi-synthetic oil instead of fully synthetic, you can face unlikely causes and immediate problems. Even semi-synthetic oil cannot provide the same protection level as fully synthetic oil.

  • What is 5W-30 Semi Synthetic Oil?

5W-30 semi-synthetic oil is a Crankcase oils lubricant created through oils made by hydro-cracking and isomerization processes. Subsequently, it contains unique performance additives like antioxidants.

  • Which is better: fully synthetic or semi-synthetic oil?

Generally, if motor oil contains more synthetic base oil, it can perform better than others. In turn, with a solid additive system, fully synthetic motor oil will always be better than semi-synthetic oil.

  • Does semi-synthetic oil last longer?

In general, semi-synthetic oil will last longer between oil changes, but it relies on your brand. Particular brands suggest you have your oil changed every 3k or 5k miles. Other recommendations range from 7500-20000 miles.

Final Word:

5W30 semi-synthetic oil is one of the most typically used engine oil. The reason is that it’s suitable for a wide range of vehicles and types of engines.

Ultimately, the viscosity range of 5W30 means it can lubricate, protect and seal your internal tools in different climate conditions. On the other hand, this oil provides excellent performance in both summer and winter conditions.

The lower viscosity puts less pressure on the oil pump and better fuel economy. At last, we hope you can get the accurate information from here you are searching for. Thanks for reading the article with patience.

Read Also: Mineral Engine Oil Vs. Synthetic: Which Is Better For Engine?


I am Engr. Z Eusuf Lubricant Specialist, Mechanical Engineer & has been working with engine lubricants for a long time and knows what makes them work best. I can help you find the right oil for your needs, and I have tips on how to keep your engine running at its best.