We are increasingly more people to want to carry out the routine service of our Buick Regal alone, in fact, the labour in mechanics is very pricey and the least basic service can quickly exceed 100€. The modern vehicles are more and more complex and we can not carry out all their routine service, but some works like servicing its Buick Regal can be carried out without too much complexity. We are going to help you in this article to choose the best engine oil for your Buick Regal , this will enable you to do your oil replace without any headache and to assure you an ideal engine unit behaviour. To get this done, firstly, we will see how to select the right engine oil for your Buick Regal , then, in a second step, which are the 3 best engine oils for your Buick Regal , and finally, we will conclude with some suggestions on how to choose your engine oil.

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How to select the best engine oil for your Buick Regal

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We will therefore commence our content page with a small buying guide to help you choose the best motor oil for your Buick Regal with peace of mind. To accomplish this, we will look at the criteria that differentiate the sort of oil and then we will look at the different types of motor oil. No matter the reason, you should know that if you choose your engine oil correctly, furthermore to preserving it, you will reduce your consumption and your CO2 emissions.

The specifications that differentiate engine oils for Buick Regal?

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The role of the engine oil in your Buick Regal is to lubricate your engine unit to ensure that all the gears in it can run properly , and to preserve the integrity of each of its components. Furthermore, this oil, which will limit all friction, will have other features 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 look at the different criteria for purchasing engine oil for Buick Regal :

  • The cold viscosity of engine oil for Buick Regal (number in front of the letter “W”, which stands for “Winter”): This value will indicate 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 adapt it to the climatic conditions in which you drive your Buick Regal.
  • The hot viscosity of the engine oil for Buick Regal (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 consequently lower your consumption. Nevertheless, if you use your Buick Regal in the city, or with a sporty driving style, it’s better to protect it although hot.
  • The standards : They are written on the back of the oil canister you can discover 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 instruction manual of your Buick Regal that the oil in question is appropriate for your engine unit.
  • Oil brands: Please be aware that the brand should have very little effect in your reasoning, there are enough objective specifications in the composition of motor oil for Buick Regal to avoid having to focus on a subjective qualifying measure such as the brand, some car companies have partnerships and will recommend you on certain brands, but it is not necessary to follow these recommendations.

The different types of engine oil for your Buick Regal

  • “Mineral” engine oils 15w40: They are called mineral oils because they are mainly composed of crude refined oil, which will give them maximum viscosity and consequently a thickness suitable for old engines that tend to consume oil. However, the truth that they are natural will cause them to lose their lubricating properties more 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 made up of specific elements that will improve its life expectancy. It is thus recommended for a polyvalent use of its vehicle. Additionally, it favours a simpler cold start than a mineral oil. Nevertheless, you should make sure to replace the oil every 10, 000km.
  • The “synthetic” oil 5w40: This type of oil is really adapted to the recent Buick Regal engines, in fact, the protection of the engine unit will be optimum 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 Buick Regal

We now commence our second section in which we will focus on the best motor oils for Buick Regal , we will present our choice and direct you to the best dealers so that you can make your decision in the best conditions. We have done it a point to present just oils adapted to your Buick Regal, so you will not actually discover “10w40” in our selection.

Best Low-Cost engine oil for Buick Regal

We done the choice to select the two best engine oils for Buick Regal lowcost, so that corresponding 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 Buick Regal with complete peace of mind at an unbeatable price.
Benefits: 

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

Inconvenience

  • 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 check the oil level of your Buick Regal.
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Benefits:

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

Disadvantages:

  • Less suitable for older engines.

Best mid-range engine unit oil for Buick Regal

Mobil Super 3000 FE 5W30

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

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

Inconvenience

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

Best premium motor oil for Buick Regal

Castrol Edge 5W30

A premium synthetic motor oil to protect your Buick Regal from friction, even in the worst conditions.
Benefits

  • Top of the range engine unit oil ideal for all engines from Buick Regal
  • Startup under all conditions.

Inconvenience

  • You’re not gonna have the ability to get the price.
  • Not ideal for older automobiles

Castrol Magnatec 0W30

An ultra-synthetic motor oil for your Buick Regal which will be adapted to the most demanding engines such as those equipped with Start and Stop.
Benefits

  • Cold start under the worst conditions.
  • Suitable for the most demanding engines.
  • Ideal for engines pre-loaded with Start and Stop

Inconvenience

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

A few suggestions on choosing the right engine unit oil for your Buick Regal

And to conclude this content page, we will give you some suggestions on how to make good use of the motor oil in your Buick Regal, and make 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 part of its capacity and may affect your engine unit.
    • Observe the advice of the oil producers and motor vehicle manufacturers and use only oils compatible with the engine unit of your Buick Regal

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  • 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

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If you wish more guides on the Buick Regal, go to our Buick Regal category.