Peugeot 18 Allure PH 15

When To Use High Mileage Oil

High mileage oil is a specific type of oil that addresses particular issues such as leaks of older vehicles. Most importantly, you can run your high mileage vehicles by using this oil comfortably. Hence, you must know high mileage oil for your car.

For your convenience, this content has come with every essential information about when to use high mileage oil.

You need to keep in mind that when your car can reach 75,000 miles, it can be benefited from high mileage oil. At the same time, you can get a good outcome while using this type of oil for older engines.

Let’s start to learn about all the aspects of this specific type of oil and the particular circumstances to use it.

When To Use High Mileage Oil

Generally, this oil is perfect for aged vehicles. But you can also use it for various aspects such as engine loosening, sounding louder, engine with degraded seals, etc.

Therefore, before starting to use it for your vehicle, I recommend you think again about your vehicle and its engine.

A Brief About High Mileage Oil

The high mileage oil is the significant one of the four types of motor oil. This motor oil is specially made for aged vehicles. Hence, the demand for this type of oil is high.

This oil comes with a unique formulation. Therefore, it will help prevent leaks. Though oil leaks are typical for aged engines, you can overcome them with this oil. Oil burn-off can reduce with this type of motor oil.

Moreover, it can prevent internal and external leaks as the oil contains additives materials. Most importantly, it is well known for high-temperature protection.

Peugeot 18 Allure PH 8

Can I Use High Mileage Oil For My New Car?

The straightforward answer to this query is that the manufacturer never recommends using high mileage oil for a new car. Many issues are hidden behind this fact.

Firstly, you have to follow the manufacturer’s manual. Otherwise, you may face difficulties in case of a warranty. Hence, we also recommend not to use this oil for a brand new car.

According to some previous users, this oil can’t extend the life of a new car. And this oil helps a dying engine to live longer. Hence, it is not an excellent suggestion to use this oil for your new vehicle.


When should I start using high mileage oil?

Many factors go into determining when it is time to switch to high mileage oil. For example, the manufacturer’s recommendation for your engine type, your driving habits, and the climate where you live.

In general, you should switch to high mileage oil when your vehicle reaches 75,000 miles. This is a good rule of thumb because it gives you time to plan ahead and get the proper oil before it becomes an emergency situation.

The second is to switch if you are experiencing any of the following:

–         Reduced engine power.

–         Increased fuel consumption.

–         Difficulty starting the engine in cold weather.

–         Black smoke coming out of the exhaust pipe or an oil leak.

Can high mileage oil damage an engine?

High mileage oil does not harm an engine in any way. It is designed to be used for longer periods of time and can be used without any worries. Some motor oils contain seal conditioners that can rejuvenate seals to their original shape and size, so you end up with less leaks and seepage.

Should I use high mileage oil or synthetic?

If you have a newer car, it’s best to use synthetic oil. For older cars, it is better to go with high milage oils. Also, keep in mind that 75K miles rule. This is the time when you should make the first switch.

How often should you use high mileage oil?

The oil in your car’s engine is a vital component of the vehicle. It helps keep the engine running smoothly and efficiently, which can reduce fuel consumption and emissions. But as cars age, it’s important to change the oil on a regular basis.

The recommended oil change intervals for cars vary from 5,000 to 7,500 miles. That being said, if you are driving a lot or if your engine oil is high in detergents, then it might be appropriate to change your oil more often than the manufacturer’s recommended intervals.


If you drive an older car that reaches 75,000 miles, never hesitate to select high mileage oil. That’s because this oil will extend the life of your engine and prevent various issues.

I hope now you are fully informed about when to use high mileage oil. And I strongly believe that you can make the best decision whether you need to use regular oil or high mileage oil.

Now, know the overall condition of your vehicle’s engine and choose compatible oil.

Good luck!

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