Liqui Moly vs. Mobil 1: What Synthetic Engine Oil To Use?

There are many things that you need to consider when it comes to your car. One of the most important is what type of engine oil you should use.

Oil is among the essential fluids that keep your vehicle running smoothly. Like any other car enthusiast, you want to use the best synthetic engine oil for your car.

However, you’re not sure what synthetic engine oil to use in your car. There are so many brands of synthetic engine oils out there, but how do you know which one is best?

In this article, we break down the differences between Liqui Moly vs. Mobil 1. We did all the research and testing, so you don’t have to.

After reading this post, we’re confident that you’ll have a clearer understanding of which is best for your vehicle. Let’s get started!

Liqui Moly Vs. Mobil 1

Advantages and Disadvantages of Using Synthetic Engine Oil

The world is changing and with it, so are the needs of our vehicles. As new technologies in cars have emerged, so needs synthetic oil.

Liqui moly and Mobil 1 are both high-performance synthetic oils. But what do synthetic oils actually bring to your engine?

Here are a few considerations you have to look into:

What is Synthetic Oil?

Engine oil helps your car’s parts work smoothly together, which means less stress on your engine. And less stress on your vehicle means fewer repairs and more money in your wallet!

Synthetic oil is a type of engine oil used to reduce friction and wear in your car’s engine. It has synthetic base stocks, which are created through chemical reactions instead of fractional distillation.

The difference between synthetic and traditional oil is not in how they look or feel. Both produce similar amounts of friction when moving parts rub against each other.

The difference is that traditional engine oil tends to be unstable over time, whereas synthetic engine oil has longer stability.

What is Synthetic Oil


Aside from being more stable than their traditional counterpart, synthetic engine oils have other advantages. Synthetic oils typically last longer because they don’t break down as quickly under extreme heat or pressure.

The suggested synthetic oil change interval is every 5,000 to 7,000 miles. But some manufacturers advertise longer intervals (15,000 to 25,000).

Synthetic oils have better lubrication for high heat applications (e.g., turbochargers, high-performance engines). It’s also more effective at lowering engine temperature and viscosity index (greatly reduces engine warm-up time).

The said oil also provides a cooler-running engine. Moreover, it has a higher resistance to oxidation which is better for high-performance cars.

It’s more environmentally friendly and can be used in any season (e.g., cold, hot weather). The synthetic engine oil makes an ideal choice for drivers looking for long-term benefits without spending a lot upfront!


Although synthetic engine oil has a handful of advantages, we can’t disregard its drawbacks.

Some people might think that synthetic oils are cheap. However, they can actually cost an arm and leg more than their conventional counterparts.

If you have an older car model, synthetic engine oils might not be the one for you.

Synthetic oil cleans away the sludge, and old automobiles typically employ deposits as a sealant in their oil systems. It will result in oil leaks and eventually damage the engine.

See also  How Long to Let Engine Cool Before Adding Oil

Another downside of using it is it displays somewhat poorer fuel economy. The lack of viscosity index improvers results in this drawback.

What is Liqui Moly Synthetic Oil?

Now that we’ve established what synthetic engine oil is, we’ll move to the nitty-gritty. Let’s discuss first what Liqui Moly synthetic oil is all about.

Liqui Moly is a company specializing in the production of additives, oils, and lubricants. It caters to different areas of use, from cars and bicycles to garden equipment and gun care.

The company started in 1957 in Ulm, Germany. Its breakthrough product was its patented liquified molybdenum disulfide or MoS2 oil additive.

The additive lets engines function without oil for a limited time which is ideal for emergencies.

Below is Liqui Moly’s entry to the 5W-30 competition. How well does it compare among competitors?

Let’s find out!

Liqui Moly 5W-30 Synthese-Technology

Liqui Moly has a lot of engine oils in its arsenal. One of its best ones is the 5W-30 Synthese-Technology Longtime High Tech.

The engine oil is described as “an all-season oil for gasoline and diesel engines” on the company’s website.

5W-30 Synthese-Technology Longtime High Tech comes in seven varying containers. You can either choose from the smallest size of a liter up to 1,000 liters.

It has a viscosity index of 172 and flashpoint at 230 °C. When at 40 °C, its viscosity is at 68.9.

Liqui Moly Pros

The Liqui Moly 5W-30 Synthese-Technology has several benefits. First, this synthetic engine oil gives maximum oil pressure at all engine speeds while running smoothly.

Using 5W-30 Synthese-Technology Longtime High Tech gives immediate lubrication even if you started the car in low temperatures. It also guarantees a faster oil penetration of the engine.

The product also decreases the engine’s fuel consumption while maintaining the utmost cleanliness. It also reduces the emission of pollutants.

Another benefit this product gives is the long engine service life due to the superior wear resistance.

It also has higher levels of lubrication reliability and shear stability.

5W-30 Synthese-Technology Longtime High Tech is highly compatible with any commercially available motor oil available in the market. The compatibility allows this engine oil and commercially available motor oil to have a homogeneous mixture when combined.

Liqui Moly Cons

Because this engine oil is one of the most popular, there aren’t many drawbacks. However, some are concerned that it is more expensive than other brands.

Moreover, the company can only guarantee the product’s full effectiveness if it is not combined! Although it’s miscible to all commercially available motor oils, caution is highly advised when mixing it with other motor oils.

What is Mobil 1 Synthetic Oil?

Mobil 1 is considered an older engine oil company than Liqui Moly. Started as Standard Oil Company of New York in 1911, the company is now a house name for engine oils.

However, it was only 1974 when the Mobil 1 engine oil was introduced to the market. Still, it’s been an early innovator of synthetic engine oils.

See also  How Much Does it Cost to Fix an Oil Leak?

Mobil1 also has its entry to the 5W-30 competition. Let’s see how it compares to its competition.

Mobil 1 5W-30 Advanced Full Synthetic Motor Oil

Mobil 1’s 5W-30 Advanced Full Synthetic Motor Oil is manufactured from a patented combination of high-performance synthetic base stocks. The mixture is then reinforced with balanced additive components.

Mobil 1 5W-30 is engineered to provide exceptional overall engine protection. It keeps your engine operating like new while meeting or surpassing the most recent industry performance requirements.

The viscosity index of this engine oil was not shown in its product data sheet. But it has a viscosity of 64 at  40 °C.

Mobil 1 Pros

Mobil’s take on the 5W-30 boasts many benefits that will make your engine always feel brand new.

The 5W-30 Advanced Full Synthetic Motor Oil of Mobil 1 has active cleaning agents. Mobil 1  created these substances to remove sludge from your engine.

Its formulation is fully synthetic and advanced. That is why it has superb thermal and oxidation stability.

On top of that, it can work well under low temperatures. Your engine can also quickly start even if you’re in a colder climate.

Another of its potential benefits is it can preserve your engine up to 10,000 miles. Your car can last up to that number of miles without any need to change the oil.

Mobil 1 Cons

The downside of 5W-30 Advanced Full Synthetic Motor Oil is you can’t use it on old engines. There’s no indication as to how old, but just to be sure, only use it on newer car models.

However, some car brands like Audi don’t recommend or approve this synthetic oil on any of their models.

Moreover, if you’re also a fan of flying airplanes, this synthetic isn’t for you. Unless explicitly permitted by the manufacturer, you cannot use it on 2-cycle or aircraft engines.

Liqui moly vs. Mobil 1: Detailed Product Comparison

Features Liqui Moly 5W-30 Mobil 1 5W-30
Density 0.850 g/cm³ (15 °C) 0.852 g/cm³ (15.6 °C)
Viscosity index 172  –
Pour point -39 °C -45 °C
Temperature Performance (Viscosity) 68.9 mm²/s (40 °C)

12.0 mm²/s (100 °C)

64 mm²/s (40 °C)

11.1 mm²/s (100 °C)

Flash point 230 °C 230 °C
Mileage 5,000 – 10,000 miles 10,000 miles

Naturally, the two 5W-30 are in contrast to one another because they have different manufacturers. Liqui Moly and Mobil have their own proprietary mixture for their 5W-30.

The viscosity index of Liqui Moly 5W-30 Synthese-Technology is very high. Unfortunately, there is no existing data on Mobil 1 5W-30, so the two are incomparable for this factor.

The two have the same flashpoint. For beginners, a flash point is the temperature wherein the engine oil will combust when a flame runs past it.

Mobil 1 boasts higher mileage than Liqui Moly. Moreover, Mobil 1 has a higher pour point threshold than its counterpart.

Comparison Verdict: Liqui Moly vs. Mobil 1

Both synthetic engine oils gave out interesting pros and cons.

Liqui Moly’s 5W-30 Synthese-Technology is suited for modern gasoline and diesel engines equipped with multi-valve technology. The manufacturer recommends using this product on Fiat 9.55535-S3 or a Ford WSS-M2C 917-A.

It’s also specifically designed for cars equipped with a diesel particulate filter (DPF), as well as retrofits.

Moreover, you can use it in Valvetronic and turbocharging (with or without charge air cooling) engines. It is also particularly useful if there are extended periods between oil changes and heavy-duty engine requirements.

On the other hand, Mobil 1’s entry is also a great choice. While it may not be the greatest choice for older engines, this oil is ideal for nearly all current cars.

It includes diesel, supercharged, high-performance, turbocharged, and gas engines. These engines are found in light trucks, SUVs, light vans, and even passenger cars.

The synthetic engine oil is recommended for Ford WSS-M2C946-A, GM 4718M, and API CF. However, you can still use it on ACEA A5/B5 or HONDA/ACURA HTO-06.

Frequently Asked Questions:

Is Liqui Moly A Good Brand?

The German company Liqui Moly is one of the best in the engine oil industry.

It has been hailed as the 2021 top brand by the German car magazine “Auto Zeitung.” The company has had this title for eleven years in a row.

Moreover, the company has placed second for the most popular auto care brands. Liqui Moly has long established itself as a forerunner in this field.

Is Mobil 1 The Best Oil?

Mobil is one of the best synthetic oils available on the market today. The company is regarded as an industry standard.

For years, Mobil 1 has been the choice for high-performance engines because of its detergent characteristics. It is also praised for its efficiency and assured engine durability.

How Long Does Liqui Moly Last?

There are three answers to this question.

First is the shelf life of the oil. You can store it for up to five years if it’s stored in a dry place with no direct sunlight.

The second is the distance needed to add more oil. There is no universal rule as to how frequently you should change your engine oil.

The third is the mileage needed for an oil change. Liqui Moly boasts that you can change its oils between 5,000 to 10,000 miles.

Can You Use Liqui Moly Additive With Synthetic Oil?

Mixing Liqui Moly’s additive with its synthetic oil is highly advisable. It has been tested in the field, and it reduces friction by about 30%.

The additive makes engines, especially the older engines, more durable and functional.

Final Thoughts

It’s hard to know what synthetic engine oil is the best. There are a lot of choices, but there’s also a lot of misinformation out there.

Even professional mechanics and auto shop owners have trouble keeping up with all the changes in automotive technology. Thus, this article on the difference between Liqui Moly and Mobil 1 would help folks make a more natural choice.

Leave a Comment