Reducing Friction: Liqui Moly MoS2 vs Cera Tec

Reducing Friction: Liqui Moly MoS2 vs Cera Tec

It’s no secret that reducing drag is one of the main goals of anyone hoping to improve automotive performance. There are many ways of doing so such as through aerodynamics of the bodywork, using thinner engine oils and reducing friction within the engine. Of these three options, we shall look at the method most suited to the everyday driver, which is to chemically reduce engine friction from within.

Reducing friction in your engine has several advantages. Firstly it reduces resistance resulting in better and smoother engine performance. This also results in better fuel efficiency. Also, less friction means less wear thus also increasing the durability of your engine. The easiest and most cost effective method to reduce friction is through using oil additives.

Liqui Moly Additives
Liqui Moly Additives

The word “Additive” may be off-putting for some people who believe that these additional chemicals change the characteristics of the oil and cause more damage than good to their engine’s internals. We believe however that it is important to understand the correct use of additives in your engine and know what is suitable for your engine. When used the right way, additives do provide substantial benefits to your engine’s performance and longevity.

At Alfa City, we offer two options of top quality oil additives for reducing friction. They are the Liqui Moly MoS2 Oil Additive & Liqui Moly Cera Tec. Here we shall compare the two products and how and when they should be used.


Liqui Moly Oil Additive

Liqui Moly Oil Additive, sometimes also referred to as MoS2, is the product that started it all for the company. MoS2, or Molybdenum disulfide, is Liqui Moly’s classic friction reducing product. When mixed together with your engine oil, the MoS2 solution will circulate and coat the internal metal surfaces of your engine creating a smooth layer of MoS2 over the surface and smoothening out any surface imperfections.

MoS2 smoothens out surface imperfections with a solid lubricant layer.

This method of treatment is akin to applying a screen protector over your mobile phone’s glass display. It not only smoothens out the surface thus reducing friction, it also creates an additional layer of protection for your metal components.

MoS2 typically lasts the duration of a standard oil change and we recommend applying a treatment at each oil change to maintain its friction reducing effects. The relatively low cost compared to Cera Tec makes it an ideal basic additive protection for the majority of cars especially those with older engines.


Liqui Moly Cera Tec

Liqui Moly Cera Tec 3721
Liqui Moly Cera Tec 3721

Liqui Moly Cera Tec is similar to MoS2 in the sense that it is also a friction reducer. What differs however is the more advanced formula used to create the low surface friction.

Cera Tec works similar to Oil Additive but utilizes tiny ceramic particles in place of MoS2 that is claimed to be stronger. In addition to that, it also includes a chemical friction modifier that provides an extra layer of chemical finish to the metal surfaces to further reduce friction on top of the solid lubricant protection. 

Cera Tec provides dual protection in the form of solid lubricant and chemical friction modifiers.

Reports on the effectiveness of Cera Tec can be widely found on the internet with multiple claims of high performance engines emerging unscathed from a sudden loss of oil pressure or even total loss of oil after being treated with Cera Tec.

Cera Tec claims to last up to 50,000km of use however we do recommend to apply one treatment during each oil change in order to maintain maximum effectiveness. While it is a fair bit pricier than the basic Oil Additive, it is definitely worth the added protection for high performance engines as well as anyone who wants the best protection for their engine.



Both Liqui Moly Oil Additive and Liqui Moly Cera Tec are excellent products that provide great engine protection and friction reduction at an affordable price. Which one is suitable for you really depends on your usage and what you are comfortable with. We offer both of these products at Alfa City so should you still be in doubt which product is right for you, just drop us a line and we will be able to advise you what is the best and most cost effective solution for your needs.

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