Synthetic Engine Oil OR Conventional Engine Oil
Have you ever wondered why you have to face a dilemma every single time you go in for an engine oil change with the service advisor, wearing a fake grin on his face, waits for an answer to the question – which oil would you like to get injected in the engine – synthetic or conventional?
Well, the very first question that pops in your head is the obvious one... the price difference. With the synthetic costing more than twice as much at the conventional one, you are bound to ask yourself why is it more expensive? Well the simple answer is that the conventional engine oil is derived from petroleum and could never stand up to the extreme temperatures that the chemically derived synthetic oil can withstand inside the engine, without breaking down. With this fact out in the open, you would opt for the synthetic engine oil. However, the choice doesn't seem that simple since the environmental impact is equally damaging with both these oils.
Synthetics, being more expensive do have advantages against the conventional oil and that is the longevity of its purpose. Synthetics can last nearly 3 times longer in comparison, which means that you would be using 18-22 litres less oil in a year. The composition is comparatively cleaner as well, simply because they are made in a laboratory and that they have lower volatility, to ensure that they do not vaporise as quickly.
Also, tests have shown that synthetic oils have less resistance with the mechanics inside the engine and hence offer more horsepower and efficiency. The added horsepower in turn means that the engine can perform with the same grunt as before but using marginally less fuel.
To be on the safe side, you can refer to what the car manufacturer recommends for your car's engine. It is the vehicles with big engines and an even bigger thirst and grunt which require synthetic oil because of the high heat that these engines work in, whereas the conventional engines do not require anything special.
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