We are a lot more persons to want to execute the routine service of our Cadillac ATS by themselves, in fact, the labour in mechanics is very pricey and the least simple service can fairly quickly surpass 100€. The modern automobiles are more and more difficult and we can not execute all their routine service, but some acts like servicing its Cadillac ATS can be accomplished without too much problems. We are going to help you on this web page to select the best engine oil for your Cadillac ATS , this will enable you to do your oil replace without any headache and to ensure you an ideal engine unit actions. To do this, firstly, we will see how to select the right engine oil for your Cadillac ATS , then, in a second step, which are the 3 best engine oils for your Cadillac ATS , and finally, we will end with some tips on how to choose your engine oil.


How to select the best engine oil for your Cadillac ATS

We will consequently begin our content with a small buying guide to help you select the best motor oil for your Cadillac ATS with peace of mind. To achieve this, we will check out the criteria that differentiate the sort of oil and then we will check out the different types of motor oil. Whatever the case, you should know that if you select your engine oil correctly, in addition to preserving it, you will decrease your consumption and your CO2 emissions.

The criteria that differentiate engine oils for Cadillac ATS?

The role of the engine oil in your Cadillac ATS is to lubricate your engine unit to assure 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 tasks such as preventing corrosion, helping to dissipate heat in the engine unit and guaranteeing sealing . These oils can be bought in 5 litre cans. We will now check out the different criteria for purchasing engine oil for Cadillac ATS :

  • The cold viscosity of engine oil for Cadillac ATS (number in front of the letter “W”, which stands for “Winter”): This value will indicate the engine’s ability to begin cold based 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 therefore up to you to adapt it to the weather conditions in which you drive your Cadillac ATS.
  • The hot viscosity of the engine oil for Cadillac ATS (value following the “W”): Value between 20 and 60, it is important to keep in mind that the higher the value, the thicker the layer of oil you will have when hot to protect your engine unit, and the lower the value, the less friction you will have when hot and therefore lower your consumption. Nevertheless, if you use your Cadillac ATS in the city, or with a sporty driving style, it’s better to protect it although hot.
  • The standards : They are made on the back of the oil canister you can locate them such as “ACEA C1 – C4” or “VW 500. 01”, are just standards of compatibility with different brands of cars, you have to check in the guidebook of your Cadillac ATS that the oil in question is suitable for your engine unit.
  • Oil brands: Please take note that the brand should have very little influence in your reasoning, there are enough objective criteria in the composition of motor oil for Cadillac ATS to avoid having to concentrate on a subjective criterion such as the brand, some car producers have partnerships and will advise you on certain brands, but it is not necessary to stick to these advice.

The different types of engine oil for your Cadillac ATS

  • “Mineral” engine oils 15w40: They are named mineral oils because they are specifically composed of crude refined oil, which will give them maximum viscosity and therefore a thickness suitable for old engines that tend to consume oil. However, the truth that they are natural will trigger them to lose their lubricating properties more fairly quickly, so it will be necessary 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 composed of specific elements that will boost its lifespan. It is thus appropriate for a polyvalent use of its car. Moreover, it favours a simpler cold begin than a mineral oil. On the other hand, you should remember to replace the oil every 10, 000km.
  • The “synthetic” oil 5w40: This type of oil is really adapted to the recent Cadillac ATS engines, in fact, the protection of the engine unit will be optimum and the cold begin too. It is therefore 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 limit the frequency of their oil replace.

The 3 best motor oils for Cadillac ATS

We now begin our second section in which we will concentrate on the best motor oils for Cadillac ATS , we will present our choice and direct you to the best retailers so that you can make your decision in the best circumstances. We have done it a point to present just oils adapted to your Cadillac ATS, so you will not actually locate “10w40” in our selection.

Best Low-Cost engine oil for Cadillac ATS

We done the choice to select the two best engine oils for Cadillac ATS lowcost, so that regarding to your needs you can make your choice.

Castrol GTX 15W40

This quality oil will enable you to replace or top up the oil level of your Cadillac ATS with complete peace of mind at an unbeatable price.

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


  • Periodicity of emptying, about 10, 000km
  • Cold begin 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 check the oil level of your Cadillac ATS.

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


  • Less suitable for older engines.

Best mid-range engine unit oil for Cadillac ATS

Mobil Super 3000 FE 5W30

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

  • High quality synthetic material that will enable you to space out your drains.
  • A price for this interesting quality.
  • Appropriate for all sort of pipes


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

Best premium motor oil for Cadillac ATS

Castrol Edge 5W30

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

  • Top of the range engine unit oil suited to all engines from Cadillac ATS
  • Startup under all conditions.


  • You’re not gonna be able to get the price.
  • Not suited to older automobiles

Castrol Magnatec 0W30

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

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


  • You’re not gonna be able to get the price.
  • Not suited to older automobiles or engines with more than 200, 000 kilometers

A few suggestions on choosing the right engine unit oil for your Cadillac ATS

And to end this content, we will give you some tips on how to make good use of the motor oil in your Cadillac ATS, and make the right choice when you buy it:

    • Be aware 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 harm your engine unit.
    • Observe the suggestions of the oil manufacturers and motor vehicle manufacturers and use only oils compatible with the engine unit of your Cadillac ATS


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


If you have any additional questions about the Cadillac ATS, do not hesitate to consult our Cadillac ATS category.