Engine Oil Vs. Motor Oil – What Is The Difference? (Expound)

Oil is a fossil fuel. We make these fuels from the dead plants and animals that died hundreds of millions of years ago before man arrived on this planet. Animals and plants, as it happens every day, accumulate solar energy and, after death, remain buried for centuries until they transform into coal and oil.

We use this oil to lubricate the internal parts of the combustion engine. Engine oil and motor oil both are the same products. We just call them by different names. They almost have the same purpose.

People use them widely nowadays. We should not use cheap oils to avoid engine repairs as they are more expensive, and fuel consumption is higher. Low-quality oils are detrimental to the environment because they do not fulfill the requirements of industries. They are also responsible for CO2 emissions.

Engine oils are classified according to their viscosity and quality. Over time, engine oil performs functions in operating an engine. The engine or motor oil ensures that the engine lasts longer.

The terms “motor oil” and “engine oil” refer to the same blend of oils and compounds that keeps your engine nourished and running smoothly. Engine oil and motor oil are the same product and serve the same purpose.

The reason why we call engine oil is that we prefer to use engine oils for engines. We use motor oil for the motors. We use engine oil for diesel engines, however, we use motor oil for gasoline engines.

Engine oil is a bit thicker in consistency than motor oil. Engine oil has a more complicated anatomical structure and chemical content than motor oil because the engine is more complex than a motor.

Generally, people in England would say “motor oil,” but in the United States it is called “engine oil.“I realize that you should take precautions and only use the engine oil recommended by the auto manufacturer.

Engine oil should be replaced after some time
Engine oil should be replaced after some time

What Is Engine Oil Or Motor Oil Exactly?

We use engine oil or motor oil to lubricate the internal parts of the combustion engine to prevent them from rusting and keeping them cool while in use. Engine oil is a product of two main components.

  • Base oil
  • Additives

The base oil, which typically accounts for 95% of the solution, is derived from petroleum, synthetic chemicals, or a combination of the two. It is in charge of lubricating the moving parts of engines and dissipating heat.

Meanwhile, additives make up about 5% of the oil. They are necessary for finely managing the viscosity of the oil and lubricity. We use engine oils according to their thickness and quality.

Single-grade oils seem to have a fixed viscosity level. A multi-grade oil can function at two distinct viscosities depending on its temperature.

Do you know?
Engine oil is also called motor oil or engine lubricant.

Types Of Engine Oils

We divide engine oil into three categories.

  1. Synthetic engine oil
  2. Semi-synthetic engine oil
  3. Mineral engine oil

Types Of Motor Oils

We divide motor oil into four categories.

  1. Conventional oil
  2. Synthetic oil
  3. Synthetic blend motor oil
  4. High mileage oil

What Is The Purpose Of Engine Oil?

Engine oil is important for the proper operation of an engine. The essential ones are listed here.

  • Sealing
  • Cooling
  • Lubrication
  • Anti-corrosion protection
  • Cleaning
Engine oil is essential for your car
Engine oil is essential for your car

Sealing

Engine oil helps to improve engine sealing, particularly the proofing of cylinders and pistons. A defensive layer is deposited between the parts, filling any gaps that may occur.

Cooling

One of the functions of engine oil is to cool down the engine. We use engine oil as a refrigerant, often to remove excess heat from internal parts of the engine, thus making it cool.

Lubrication

Engine oil’s primary function is to lubricate the engine parts, which are constantly in contact with one another. As a result, this reduces friction which increases the engine’s life.

Anti-Corrosion Protection

Engine oils save machines from getting rusty. Fuel combustion produces a corrosive acid, which can harm metal parts of the engine. It can result in corrosion and rust which in turn can severely damage the engine. However, engine oils can slow down the process by neutralizing these acids.

Engine oil oxidizes with time when in contact with the oxygen, losing its anti-corrosion properties. As a result, we must replace motor oil or engine oil regularly.

Cleaning

Another important function of engine oil is its ability to clean. We can find dirt or combustion residue in engines. The residue would choke the engine and reduce its performance if it weren’t for the engine oil. These pollutants move towards the oil filter along with the flowing engine oil, from where you can easily remove these impurities.

Do you know?
The oil that has been overused loses its effectiveness, putting the engine and also its components in danger.

What Are The Advantages Of The Engine Or Motor Oil?

The engine will swiftly suffer crucial damage if we do not use a lubricant.  Good engine oil provides the following benefits.

  1. The engine or motor oil ensures that the engine lasts longer.
  2. It helps to reduce the consumption of fuel.
  3. Using engine oil reduces CO2 emissions.
  4. The engine or motor oil ensures that the engine runs smoothly.

To learn about the difference between 5W-30 and 10W-30 engine oil, check out my other article.

Engine Oil And Motor Oil – Are They The Same?

Both the terms “motor oil” and “engine oil” refer to the same blend of oils and compounds that keeps your engine nourished and running smoothly.

Manufacturers of both products alternately use the terms and make no difference in them. Engine oil and motor oil are the same product and serve the same purpose.

Engine Oil vs. Motor Oil – What Is The Difference?

Both Engine and Motor Oil refer to the same product
Both Engine and Motor Oil refer to the same product

Engine Oil vs. Motor Oil – What is the primary difference between them?

The primary distinction is that engines use thermal energy, whereas motors use electric currents. A mechanism that turns thermal energy into mechanical energy is known as an engine.

A motor is a machine that changes electrical energy into mechanical energy. The reason why we call engine oil is that we prefer to use engine oils for engines. We use motor oil for the motors.

Engine Oil vs. Motor Oil – What is the difference in their purpose?

Another distinction between engine oil and motor oil is their intended use. We use Engine oil for diesel engines. However, we use motor oil for gasoline engines. Both oils are widely in use all around the world.

Engine Oil vs. Motor Oil – What is the difference in their consistency?

There is also a difference in the thickness of engine and motor oil. Engine oil is a bit thicker in consistency than motor oil. Original engine oil is usually a somewhat translucent amber color with the viscosity of olive oil.

Motor oil thins as it heats, but they add chemicals (viscosity modifiers) to keep it from becoming too thinner at higher temperatures, making it behave like a thicker grade oil.

Engine Oil vs. Motor Oil – What is the difference in their anatomical structure?

Engine oil has a more complicated anatomical structure and chemical content than motor oil because engines are more complex than a motor.

Engine Oil vs. Motor Oil – What are they called in America and England?

In England, you would say “motor oil,” but in the United States, you’d say “engine oil.” In the United States, you would pop the hood to examine the oil. However, in England, you would lift the bonnet.

Is it OK to use the motor oil in your engine?

YES, it is correct both technically and practically. Both the terms “motor oil” and “engine oil” are used by the manufacturers. Choosing between engine oil and motor oil is always confusing initially. But you will realize that both the oils are the same. I perceive that you should take precautions and only use the engine oil recommended by the auto manufacturer.

If you want to learn more about the difference between engine oil and motor oil, watch the video below.

Engine oils discussed

Conclusion

  • In this article, you will learn about oil and the difference between engine oil and motor oil.
  • The terms “motor oil” and “engine oil” refer to the same blend of oils and compounds that keeps your engine nourished and running smoothly.
  • Engine oil and motor oil are the same product and serve the same purpose.
  • Low-quality oils are detrimental to the environment because they do not fulfill the requirements of industries.
  • The engine or motor oil ensures that the engine lasts longer.
  • Engine oil and motor oil help in removing the impurities developed by combustion.
  • Engine oil is a bit thicker in consistency than motor oil.
  • Low-quality oils are also responsible for CO2 emissions.
  • The engine can suffer crucial damage if we do not use a lubricant. 
  • Both oils are widely in use all around the world.
  • Always take precautions and only use the engine oil recommended by the auto manufacturer.
  • Using high-quality oil also ensures that the vehicle runs at its best efficiency and performance.
  • Even if these lubricants are more expensive, we must take care of a vehicle by using excellent oil which will save money in the long run.
  •  The purpose of superior oil is to deliver excellent fuel economy.
  • Oil of good quality is not always expensive, but it must fulfill industry standards.

Recommended Articles

Scroll to Top
Skip to content