We are more and more persons to wish to accomplish the routine service of our Kia Rio by themself, obviously, the labour in mechanics is very expensive and the least simple service can fairly quickly exceed 100€. The latest automobiles are more and more complex and we can not accomplish all their routine service, but some acts like servicing its Kia Rio can be accomplished without too much complexity. We are going to help you on this web page to choose the best engine oil for your Kia Rio , this will allow you to do your oil replace without any headache and to assure you an optimum engine behaviour. To get this done, firstly, we will see how to choose the right engine oil for your Kia Rio , then, in a second step, which are the 3 best engine oils for your Kia Rio , and finally, we will end with some recommendations on how to choose your engine oil.


How to select the best engine oil for your Kia Rio

We will therefore commence our article with a small buying guidebook to help you choose the best motor oil for your Kia Rio with peace of mind. To accomplish this, we will check out the criteria that differentiate the types of oil and then we will check out the different types of motor oil. No matter the reason, you should know that if you choose your engine oil properly, furthermore to preserving it, you will lower your consumption and your CO2 emissions.

The specifications that differentiate engine oils for Kia Rio?

The role of the engine oil in your Kia Rio is to lubricate your engine to make sure that all the gears in it can run efficiently , and to preserve the integrity of each of its components. Furthermore, this oil, which will limit all friction, will have other functions such as preventing corrosion, helping to dissipate heat in the engine and ensuring sealing . These oils can be bought in 5 litre cans. We will now check out the different criteria for purchasing engine oil for Kia Rio :

  • The cold viscosity of engine oil for Kia Rio (number in front of the letter “W”, which stands for “Winter”): This value will show the engine’s ability to start cold depending on the viscosity of the oil. 0W means -30°C; 5W means -25°C, 10W means -20°C and 15W means -15°C. It is consequently up to you to modify it to the temperature in which you drive your Kia Rio.
  • The hot viscosity of the engine oil for Kia Rio (value following the “W”): Value between 20 and 60, it is necessary to remember that the higher the value, the thicker the layer of oil you will have when hot to protect your engine, and the lower the value, the less friction you will have when hot and consequently lower your consumption. Nevertheless, if you use your Kia Rio in the city, or with a sporty driving style, it’s better to protect it although hot.
  • The requirements : They are made on the back of the oil canister you can discover them such as “ACEA C1 – C4” or “VW 500. 01”, are just requirements of compatibility with different brands of cars, you have to verify in the guidebook of your Kia Rio that the oil in question is compatible with your engine.
  • Oil brands: Please take note that the brand should have very little effect in your judgement, there are enough objective specifications in the composition of motor oil for Kia Rio to avoid having to focus on a subjective qualifying measure such as the brand, some car manufacturers have partnerships and will recommend you on certain brands, but it is not required to stick to these tips.

The different types of engine oil for your Kia Rio

  • “Mineral” engine oils 15w40: They are called mineral oils because they are principally made up of crude refined oil, which will give them maximum viscosity and consequently a thickness suitable for old engines that tend to consume oil. On the other hand, the fact that they are natural will bring about them to lose their lubricating properties more fairly quickly, so it will be required to shorten the intervals between oil changes.
  • Semi-synthetic 10w40: This oil has a good quality/price ratio and is said to be semi-synthetic because it is still made up of specific components that will boost its lifespan. It is thus recommended for a polyvalent use of its car. Furthermore, it favours a simpler cold start than a mineral oil. However, you should make sure to replace the oil every 10, 000km.
  • The “synthetic” oil 5w40: This sort of oil is really adapted to the recent Kia Rio engines, obviously, the protection of the engine will be optimal and the cold start too. It is consequently a good choice either for people who drive in city centres, who have a sporty driving style, or who drive long distances and want to reduce the frequency of their oil replace.

The 3 best motor oils for Kia Rio

We now commence our second section in which we will focus on the best motor oils for Kia Rio , we will present our range and direct you to the best retailers so that you can produce your choice in the best conditions. We have done it a point to present just oils adapted to your Kia Rio, so you will not necessarily discover “10w40” in our selection.

Best Low-Cost engine oil for Kia Rio

We done the choice to select the two best engine oils for Kia Rio lowcost, so that corresponding to your needs you can make your choice.

Castrol GTX 15W40

This quality oil will allow you to replace or top up the oil level of your Kia Rio with complete peace of mind at an unbeatable price.

  • Value for money
  • Perfect if your engine starts to get miles on it.
  • Mineral quality.


  • Periodicity of emptying, about 10, 000km
  • Cold start ability if you live in a cold region

Mobil Super 3000 5W40

A prestigious brand that offers you a kit to do your oil change plus an additional 1 litre that you can use to verify the oil level of your Kia Rio.

  • A 100% synthetic oil that will last over time.
  • Suitable for intensive use of your car.
  • Price.


  • Less suitable for older engines.

Best mid-range engine oil for Kia Rio

Mobil Super 3000 FE 5W30

This synthetic oil is unbeatable value for money and will protect your engine, turbo or injection.

  • High quality synthetic material that will allow you to space out your drains.
  • A price to do this interesting quality.
  • Suitable for all types of pipes


  • Less suitable for older vehicles or vehicles with quite a lot of mileage.

Best premium motor oil for Kia Rio

Castrol Edge 5W30

A premium synthetic motor oil to protect your Kia Rio from friction, even in the worst conditions.

  • Top of the range engine oil suited to all engines from Kia Rio
  • Startup under all conditions.


  • You’re not gonna have the ability to get the price.
  • Not suited to older vehicles

Castrol Magnatec 0W30

An ultra-synthetic motor oil for your Kia Rio which will be adapted to the most difficult engines such as those equipped with Start and Stop.

  • Cold start under the worst conditions.
  • Suitable for the most demanding engines.
  • Appropriate for engines designed with Start and Stop


  • You’re not gonna have the ability to get the price.
  • Not suited to older vehicles or engines with more than 200, 000 kilometers

A few tips on choosing the right engine oil for your Kia Rio

And to end this article, we will give you some advice on how to produce good use of the motor oil in your Kia Rio, and produce the right choice when you buy it:

    • Take note that an open can of oil should be disposed of after one year and not be used anymore because it loses a good component of its capacity and may ruin your engine.
    • Observe the advice of the oil manufacturers and motor vehicle manufacturers and use only oils compatible with the engine of your Kia Rio


  • The oil replace intervals announced by the engine oil manufacturer are important, do not exceed the mileage indicated on the canister between each oil replace


In the event that you have any further questions about the Kia Rio, do not hesitate to consult our Kia Rio category.