5W30 Engine Oil – The right oil for my car?

Learn why 5W30 engine oil is one of the most popular multigrade engine oils

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Are you struggling with some basic as well as not-so-basic queries about the 5W30 engine oil? Are you looking for the best brands of 5W30 fully synthetic oil? If yes, then you have come to the right website because here we have got you covered with everything you want to know about this 5W30 oil! For any questions and oil recommendations please contact our expert team and get some free advice.

What is the correct engine oil for my car?

Most people out there do not know what exactly is under the hood of their cars. They are not familiar with the maintenance and service schedules of their vehicles. Also, they are unaware of the engine oil that is compatible with their vehicle.

We try to guide you and answer these questions. While there are many different 5W30 oils on the market only a few are really ideal for your car as they vary in characteristics and composition a lot.

LIQUI MOLY Top Tec 4200 5W30 is amongst the best and most popular 5W30 engine oils with a wide range of OEM approvals

Most vehicles use multigrade SAE engine oils like 5W30 and 5W40 motor oil. Older vehicles tend to use 10W40, while newer fuel-efficient engines use 0W30 or in the case of hybrid cars 0W20 motor oil! However, we recommend getting your car examined or consulting a car expert to know about the engine oil that your vehicle uses.

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What is ideal engine oil?

You may be wondering, ‘Which is the correct oil for my car?’. Engine oils are categorised based on their flow resistance, viscosity, and the performance they exhibit especially at high temperatures. Ideal engine oil is the one that can endure the hottest temperatures of the engine along with offering a perfect flow during a cold start when the outside temperatures are the coldest.

5W30 engine oils can have very different formulations. LIQUI MOLY Top Tec 4200 5W30 is a very good oil for most german cars and SUVs

What does 5W30 mean?

The multigrade 5W30 engine oil is a light-duty oil that works both for petrol engines as well as diesel engines. The ‘W’ in the 5W30 stands for ‘Winter’. The numbers represent the grade of viscosity of the engine oil. 5 represents low-level viscosity at lower temperatures, on the other hand, 30 represents high-level viscosity at higher temperatures.

What does 5W30 mean? It describes the viscosity of 5W30 engine oil in cold and operating temperatures

Lower temperatures include conditions where the weather is cold or the vehicle just starts. Higher temperatures include extreme conditions including the running of the engine. This engine oil with ascending viscosity grade is the most commonly used motor oil in the automotive market.

The SAE (Society of Automotive Engineers) has graded engine oils based on their viscosities. They have developed a numerical code system to distinguish the motor oils from each other. As the viscosity of the oil gets altered with the temperature change, manufacturers have developed multigrade engine oils that can withstand these temperature changes and provide protection against them.

5W30 is among those oils that can withstand a wide range of temperature changes. Therefore, most vehicles use this motor oil.

Which cars and engines should use 5W30 motor oil?

As stated above, this versatile engine oil is compatible with most cars, SUVs, and trucks out there. Most light-duty vehicles including gasoline engines and diesel engines use this oil for their upright performance. Moreover, engines that do not work under too much pressure can use this oil without any danger.

5W30 engine oil is suitable for most cars and can be further improved with additives

If you want to know whether your vehicle should utilise this motor oil or not, send us a message with your number plate and our experts will get back to you. We also recommend the second option of searching online on our website for the curated oil change kits with the right oil in the correct volume combined with the OEM standard engine oil filter. Click here to visit our shop and look for excellent 5W30 engine oils.

Benefits of using 5W30 engine oil

Engine oils have several benefits depending on their viscosity grade. Multigrade engine oils have more advantages as compared to other engine oils. 5W30 being the most commonly used oil among these multigrade oils has numerous benefits. Some of these are as follows:

  • 5W30 is suitable for a huge range of vehicles as well as automobiles due to its wide viscosity index.

  • It provides outstanding engine protection against wear and tears by reducing the friction between different moving parts during normal operations.

  • Premium grade 5W30 oils help to provide safety against the sludge and deposits that occur in colder environments.

  • 5W30 is best for motorists who drive under extremely fluctuating temperatures a lot because it is not much vulnerable to thermic breakdowns and oxidation processes.

  • 5W-30 engine oils not only protect the engine but also safeguards the whole equipment and different car parts. Moreover, it does control the temperature of that equipment as well.

  • It offers exceptional fuel efficiency and a long lifespan to the car engine.

  • Premium 5W30 engine oils provide outstanding chemical stability along with shear stability.

  • 5W30 engine oil decreases the loss caused by evaporation compared to the thinner 0W20.

  • 5W30 engine oil provides enough lubrication even in the coldest weather and environments with only little disadvantage over 0W20, 0W30, and 0W40 engine oils.

  • It improves fuel economy by reducing fuel consumption compared to thicker engine oils like 10W40 or 15W40.

Why is 5W30 engine oil so common and versatile?

10W40 and 15W40 engine oils are best for heavy-duty engines and trucks. However, 5W30 engine oil is the right oil type for light-duty vehicles. Due to its several benefits like the wide temperature range it can be used for lubrication and efficiency, and it works for most vehicles.

LIQUI MOLY has a wide range of high quality 5W30 motor oils like the LIQUI MOLY Longtime 5W30.

It is composed in such a way that it suits numerous engines. The viscosity index, flow, and stability make it able to do so. Most of all, the ability to withstand extreme temperatures makes it commonly used among regular oils. These properties have contributed a lot to making this motor oil a versatile oil as well.

What is the difference between 5W30 engine oil and 10W40 engine oil?

The major difference between 5W30 engine oil and 10W40 engine oil is the thickness of both oils. 10W40 is an extremely thick oil best for usage in warmer temperatures and higher viscosity temperatures. On the other hand, 5W30 engine oil is thinner as compared to the former one and suitable in warmer climates as well as newer engines.

What is the difference between 5W30 and 10W40 engine oil? Its thickness in cold and operating temperature

One more noticeable difference between these two oils is that the 5W30 engine oil does not get much attached to the mobile engine parts. However, 10W40 engine oil rigidly gets attached to the moving engine parts.

Best brands for 5W30 engine oil

Several brands have some exceptional 5W30 engine oils that outperform the average 5W30 oil. In this article, we have listed some of our top picks for the best quality 5W30 engine oil.

So, without any further ado, let’s dig into the details of these engine oils:

LIQUI MOLY Top Tec 4200 5W30 engine oil

Any experienced and skilled car person knows the value of the German LIQUI MOLY products. This company manufactures the best oils and additives that are well-known all over the world. This best-seller brand’s TOP TEC 4200 5W30 engine oil is hands down everyone’s favourite.

LIQUI MOLY Top Tec 4200 5W30 is the most popular 5W30 from Germany's most popular engine oil brand LIQUI MOLY

LIQUI MOLY’s Top Tec 4200 5W30 engine oil offers the best performance as well as efficiency even under the most extreme circumstances with long oil change intervals. It might be a bit expensive as compared to the other engine oils available on the market, but it is worth it. It lasts for such a long time that it saves you money in the longer run.

LIQUI MOLY TOP TEC 4200 5W30 is a very good low ash engine oil and also fits diesel cars with a DPF filter

Along with its high-end performance, it provides superb protection against sludge, deposits, and varnish. This product is a must-have, especially if you own supercharged or turbo motors.

Order this amazing 5W30 engine oil by LIQUI MOLY by clicking this link here.

MyCar.Repair offers fast delivery in the UK as well as oil change kits specific for your car with the right amount of LIQUI MOLY Top Tec 4200 5W30 in combination with an OEM Standard oil filter from MAHLE and a DIY tutorial. Search for the perfect curated engine oil kit here or get a recommendation by sending us your license plate number. Just place the order and get your order number. Then, wait for the order confirmation email, and you are done!

Manufacturer Approvals

  • ACEA A3

  • ACEA B4

  • API SN

  • BMW Longlife-01

  • MB-Approval 229.5

  • Peugeot Citroen (PSA) B71 2296

  • Porsche A40

  • Renault RN 0700

  • Renault RN 0710

  • VW 502 00

  • VW 505 00

Mobil 1 ESP 5W30 engine oil

This engine oil formula by Mobil 1 is a worthy option if you are looking for some budget-friendly 5W30 engine oils. Mobil 1 is a brand that does not compromise on quality and performance.

Mobil 1 ESP 5W30 engine oil for MB 229.1, 229.3, VW 50200 / 505 00, Porsche A40

Mobil 1 ESP 5W30 engine oil promises to prolong the life of diesel particulate filters (DPF) as well as the lifespan of catalytic converters. Hence, it also prevents the water from going into the internal car parts and damaging the engine.

Moreover, it provides smooth engine management and boosts fuel efficiency. So, if you are looking for a cost-effective option, you should get your hands on this product.

Manufacturer Approvals


  • ACEAA3/B3, A3/B4

  • MB-Approval 229.1

  • MB-Approval 229.3

  • VW 502 00

  • VW 505 00

  • Porsche A40

  • API CF

Castrol Edge 5W30 engine oil

The brand Castrol is well-known for its outstanding performance and the superior quality of its accessories.

This is a go-to engine oil for most car experts, mechanics, and car owners. It uses the “titanium fluid technology” which makes it exceptional from all other 5W30 engine oils. Moreover, it promises to protect your engine under extreme conditions like high temperatures and high pressure.

Castrol Edge 5W30 engine oil for BMW Longlife 01, MB 226.5 / 229.3 / 229.5, Porsche A40, VW 50200 / 50500

In addition to that, it can be used in both diesel and gasoline as well as hybrid engines. They promise next-day delivery for modern cars and other vehicles. If you are thinking of buying a 5W30 engine oil, you should consider it!

Manufacturer Approvals

  • ACEA A3/B3, A3/B4


  • BMW Longlife-01

  • MB-Approval 226.5/ 229.3/ 229.5

  • Porsche A40

  • Renault RN0700 / RN0710

  • VW 502 00/ 505 00

Castrol Magnatec Stop-Start 5W30 engine oil

Castrol Magnatec stop-start is another great choice for 5W30 fully synthetic engine oil. Its special feature is that it deals with the stress produced by stopping and then starting your vehicle again and again due to traffic or any reason.

Castrol Magnatec Stop-Start 5W30 engine oil for BMW Longlife 04, MB 229.31, VW 50200 / 50500

This stop-start behaviour of the vehicle might cause serious damage to your car engines, but Castrol Magnatec stop-start engine oil promises to nicely deal with it. Moreover, it also provides fuel efficiency and high performance.

So, we highly recommend trying out this worthy 5W30 formula. If you have a discount code, you will get it at an amazing price!

Manufacturer Approvals

  • ACEA C3


  • BMW Longlife-04

  • Dexos 2*

  • Meets Fiat 9.55535-S2

  • MB-Approval 229.31

  • Renault RN 0700 / RN 0710

  • VW 502 00/ 505 00

Shell Helix 5W30 engine oil

Shell Helix is also one of our top picks due to several reasons. The main reason is that it safeguards different emission systems that modern cars have these days.

Not only that but Shell Helix is also known for the protection it provides against sludge and deposits. Moreover, it also protects catalytic converters and diesel particulate filters.

Shell Helix 5W30 engine oil for BMW LL01, MB 226.5 / 229.5, VW 502.00 / 505.00, Porsche A40

Therefore, you should consider this option if you are looking for better performance as well as protection options.

Manufacturer Approvals


  • ACEA A3/B3, A3/B4

  • BMW LL-01

  • MB-Approval 226.5/ 229.5

  •  VW 502.00

  • VW 505.00

  • Porsche A40

  • RN0700 / RN0710

  • PSA B71 2296

  • Ferrari

  • Fiat 9.55535.Z2

  • Chrysler MS-10725

Triple QX 5W30 engine oil

Trip QX brand is famously known for increasing fuel efficiency. It is a cost-effective option to consider if you want high performance.

Triple QX fully synthetic oil reduces the risks of wear by protecting different engine parts. In addition to offering a good value for money, it prevents the formation of deposits and sludge.

Moreover, Triple QX 5W30 is the right oil compatible with most diesel and hybrid engines. You can easily shop it from any online store or the market. We highly recommend buying this product.

Manufacturer Approvals

  • ACEA C3

  • API CF / SN

  • BMW LL-04<2019

  • Ford WSS-M2C917-A

  • GM dexos 2

  • MB 229.51

  • Porsche A40

  • Renault RN 0700 / RN 0710

  • VW 505.00 / 505.01

Valvoline Synpower 5W30 engine oil

Valvoline has extremely high standards in terms of quality and performance. This engine oil withstands both extremes (cold and hot temperatures) super efficiently.

This high-efficiency and high-performance engine oil provide good lubrication to all the necessary engine parts. Moreover, it also ensures that your car engine remains varnish and sludge free.

For these reasons, we recommend getting your hands on this efficient product by Valvoline!

Manufacturer Approvals

  • API SN /CF

  • ACEA A3/B4

  • Meets requirements of:

  • BMW LL-01

  • MB 229.3

  • GM-LL-B-025

  • VW 502.00, 505.00

  • Renault RN700, RN710

Royal Purple High-Performance 5W30 engine oil

Royal Purple high-performance fully synthetic 5W30 engine oil is another top pick for the best seller motor oils. This oil provides extreme protection and amazing performance of different engine parts.

This oil by Royal Purple exhibits several cleaning properties. It helps in the removal of sludge, varnish, deposits, etc. Moreover, it ensures the smooth running and functioning of the engine.

We highly recommend this oil if you are looking for a budget-friendly option.

Manufacturer Approvals

  • Meets Chrysler FCA US MS-6395

  • Ford WSS-M2C946-A

  • GM dexos1™* Gen 2

  • API SN Plus

  • ILSAC GF-5 specifications

FAQs on 5W30 engine oil

Does 5W30 oil suit heavy-duty vehicles?

No, it suits light-duty vehicles.

What is 5W30 oil good for?

It is good for most commonly used vehicles. In addition to that, it withstands extreme conditions.

Is 5W30 oil conventional or synthetic?

It is available in both forms i.e. conventional as well as synthetic. However, most advanced cars use the fully synthetic 5W30 engine oil.

Can I put 10W40 oil instead of 5W30?

Yes, you can but it is only recommended for higher mileage cars if your car generally uses 5W30.

Which oil is better 5W30 or 5W40?

5w30 is better because it is more versatile. 5W40 is better for engines with high heat.

What happens if I put 5W40 instead of 5W30?

It will not cause any harm to the engine. Fuel consumption might increase slightly and oil consumption will decrease.

Can I top up 5W30 with 5W40?

Yes, but topping up with the same oil is recommended.

Can I use 0W20 instead of 5W30?

Yes, you can use it for winter for cars with low engine temperatures like hybrids. For higher mileage (hybrid) cars it is best to stick to 5W30.

Can I use 0W40 instead of 5W30?

Yes if your car manufacturer approves of 0w40 oil. The 0W40 can be the better choice in cold climates for engines that get hot like sports cars and powerful SUVS (e.g.: Porsche Cayenne S and Turbo or Range Rover Sport Supercharged).

0W40 oil is more liquid in cold temperatures than 5W30 and 0W40 oil thicker in hot temperatures than 5W30 oil

Which is the best 5W30 oil?

LIQUI MOLY Top Tech 4200 5W30 for newer and LIQUI MOLY Longtime High Tech 5W30 for slightly older cars is the best engine oil.

Can 5W30 be used in diesel engines?

As long as it can endure extreme conditions and lubricate moving engine parts well, you can use it in diesel engines. Beware that diesel cars with DPF (Diesel Particulate Filter) should only use low ash 5W30 engine oils like LIQUI MOLY Top Tec 4200 5W30 to avoid DPF clogging.

Can I use 5W30 in my car?

Yes if your car manufacturer approves of this engine oil.

Is 5W30 good for summer?

Yes. This oil is good for both summer as well as winter.

Is 5W30 good for winter?

Yes. This oil is good for both summer as well as winter.

When should I use 5W30 oil?

You should use it in a colder environment. However, it is also good for higher temperatures.

Which 5W30 is suitable for Mercedes Benz?

Mobil 1 ESP 5W30 engine oil and LIQUI MOLY Top Tec 4200 5W30 with the MB approvals

  • MB-Approval 229.31

  • MB-Approval 229.51

  • MB-Approval 229.52

Which 5W30 is suitable for BMW?

Valvoline Synpower SAE 5W30 oil and LIQUI MOLY Top Tec 4200 5W30 with the following BMW approval:

  • BMW Longlife-04

LIQUI MOLY also recommends the oils for:

  • BMW Longlife-01 (bis MJ 2018)*

  • BMW Longlife-01 FE (bis MJ 2018)*

Which 5W30 is suitable for BMW? LIQUI MOLY Top Tec 4200 5W30 with BMW Longlife approval

Which 5W30 is suitable for Volkswagen?

Castrol Edge 5W30 oil and LIQUI MOLY Top Tec 4200 5W30 with the VW approvals:

  • VW 504 00

  • VW 507 00

LIQUI MOLY also recommends the LIQUI MOLY Top Tec 4200 5W30 engine oil for the following VW Standards:

  • VW 500 00

  • VW 501 01

  • VW 502 00

  • VW 503 00

  • VW 503 01

  • VW 505 00

  • VW 505 01

  • VW 506 00

  • VW 506 01 (Ausnahme R5 und V10 TDI-Motoren vor 6/2006)

Which 5W30 is suitable for Audi?

Mobil 1 ESP 5W30 engine oil and LIQUI MOLY Top Tec 4200 5W30.

Best 5W30 for Audi? We recommend LIQUI MOLY Top Tec 4200 5W30 for many Audi models

Final Word

In a nutshell, no doubt 5W30 engine oil works the best for most vehicles and motors. Still, we recommend getting your car checked and asking a car expert whether this oil is compatible with your vehicle or not. It is to ensure the avoidance of any future mishaps.

5W30 engine oil is used by the majority of European and Asian car manufacturers

Try buying LIQUI MOLY engine oil for the best results, but if it sounds expensive to you, you can consider any of our recommendations!

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