How many km does an engine last, is it true that it has to be thrown away at 100,000 km? The answer will astonish you

After buying a car, drivers are faced with the question: How long will my car engine last? Let’s see some tips and advice together.

How many km does an engine last
How many km does an engine last, – Motori.News

There are certainly some considerations that need to be made, including use, type of power supply, and maintenance. In this article, we look at some tips and tricks to make your car’s engine more efficient and durable.

Engine duration and type of use

The first thing to dispel is the idea of 100,000km. Engines with 100,000 km in the last ten years are out of the running-in period and the myth that engines last 100,000 km is dead wrong. The most important factor in long engine life is maintenance.

Car engine –

Engine oil

Let’s start right away with the first factor to keep your car’s engine efficient: Engine oil. As is well known, engine oil is responsible for the lubrication of all components and stands for the service life of the engine.

It plays a fundamental role, especially in new generation engines where tolerances are minimal, cold start lubrication is essential, especially in diesel engines with FAP regeneration, and all carbon residues put the engine oil in a critical situation. .

Vehicle manufacturers have to comply with environmental regulations and therefore recommend maintenance every 30-40,000 km, since overhauling a vehicle every 10,000 km would increase pollution. But the advice we give bucking the trend is instead that of expect the coupon than the recommended maintenance schedule as it would extend the life of your vehicle.

Car engine –


Another factor is the filters. The filter must always be 100% efficient. If you choose a sport filter you will certainly benefit from it, but it needs to be kept much cleaner than the original cardboard filter.

A sports filter lets more air through if its fabric is well lubricated. Use the minimum amount of lubricant specified by the filter manufacturer and pay close attention. This is because an excessive amount of oil in the filter will stick to the sensor, giving false errors.

The engine temperature

Another important factor is the engine temperature. Here are three basic factors of engine temperature.

The first factor is the engine oil temperature. You know very well that the new generation of engines, due to their design, high compression ratios and power, can withstand impossible temperatures, particularly cold but particularly hot. The oil is then loaded again.

The second factor is the coolant. In the first years of operation, the coolant works at 100%, but over the years the radiators used to cool the water become more easily contaminated with pollen.

So when pollen builds up in front of the radiators, where the air obviously flows through, the thermal efficiency drops. As a result, the coolant emits less heat and the temperature rises. And because of this, all components will suffer.

The third factor is i exhaust. If the engine is poorly maintained or the injectors are defective, the temperature of the exhaust gases can rise to alarming levels. Everything related to the exhaust gases, from the exhaust valves to the turbocharger, is increasingly being supercharged in both petrol and diesel engines, and the temperature of the exhaust gases is an important factor.

Car engine –

driving style

It is of course a factor that should not be underestimated driving style. A conservative driving style, e.g. B. Frequent use of low revs, i.e. more urban driving, can cause a lot of pollution and reduce the reliability of the engine.

But also with a very sporty driving style there must be more frequent oil changes, obviously because the temperature is higher. What is clear, however, is that a sporty driving style puts a strain on the rings, bushings and pistons.

Outside the speed

Another factor that can accelerate engine wear is i out of sight, which can be very dangerous. An overrun of even 200-300 revs from the limiter can cause stretching, a speed that puts many moving parts like bushings, pins and pistons at risk.


The last factor that can guarantee you the reliability of an engine is one great luck. Even after countless component tests on the assembly line, tens of thousands of engines can be defective and there is nothing to be done. You can ask the manufacturer to schedule an update, or you have to make the decision to change your car.

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