The discussion is there: it is better to inflate the tires of a vehicle with air or nitrogen?

When one of the tires in your car needs air, you probably do not think about it, but you go directly to a gas station or a Service Center for you to attend.

However, it is important that you know what is most advisable, that you make a conscious decision on how to inflate the tires so that you take care of your car.

What is the use of nitrogen in the tires of your car?

The first thing to know is that the air like compound is comprised of: 78% nitrogen, 21% oxygen and 1% other gases,  which would mean that initially there is not much difference in inflating your tires with air or nitrogen , Since an air-inflated rim has almost four-fifths made up of this element.

One of the business cases for nitrogen is that the tire pressure be maintained for longer than a tire inflated with air. But although this argument is true, the difference between a tire exhaust inflated with nitrogen and air is only 1. 84% (which results from calculating the difference of the distance between the atoms of each of these elements). Conclusion: the exhaust difference is minimal, which does not give a significant advantage to the tire inflated with nitrogen above the inflated with air.

Also, they say that public service vehicles or cars working in high temperature areas work best with nitrogen because this is a cold compound that prevents pressure build up inside the tire. This argument is not valid   because nitrogen is maintained at the operating temperature of the tire, regardless of the environment in which it moves.


One of the main disadvantages of inflating a tire with nitrogen is the lack of access we have to it in many cities or remote populations of the country. When a beached, especially road, a driver will be difficult to get the nitrogen needed to inflate your tires, and will have no choice but to inflate with air.

The economy can be an important factor in determining the difference: while inflating the 4 wheels of a vehicle with nitrogen costs $ 15,000 on average, inflating them with air costs between $ 500 and $ 1,000.

Useful tips if you choose nitrogen

Regardless of the reason for choosing this gas, the important thing is to make the most of it. So if this is your case, please note that inflate when for the first time, you must dismount tire per tire, deflate it and then refill it only with this gas.

If for any reason you should throw common air to your tire with nitrogen, do not worry, they are highly compatible and the only problem is that to ensure the original effects of this compound should re-inflate with nitrogen once you overcome the emergency.

To recognize tires inflated with nitrogen, the inflation valve cap is green, although this does not guarantee that the tires have been inflated beforehand.


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