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The Nitrogen Filled Tire - Why people are putting Nitrogen in Car Tires

Updated on July 8, 2009

Nitrogen filled Tires Explained

I recently stopped at a gas station to fill my tires up with air. An older gentlemen approached me and said I should try putting nitrogen in my tires instead of oxygen. When I first heard what he said , I was thinking this man might be a little crazy but when another man agreed with him I started to actually listen. The next day I made a trip to my local tire shop and I was introduced to the product NitroFill. NitroFill is currently one of the leading brands in the use of nitrogen for tires. There at the shop I was told that many of its customers are starting to use NitroFill and then he gave me a list of benefits on why someone would put nitrogen in their tires.

Benefits of Nitrogen in Tires

  • Nitrogen maintains tire pressure longer than oxygen
  • The Rubber in the inside of the Tire lasts longer
  • Better gas mileage for you vehicle
  • Safer for the environment

Q&A in regards to NO2 Tires

  • Why does nitrogen maintain tire pressure better than standard O2?

    Oxygen molecules are much smaller and leak 3 to 4 times faster through the tire.

  • Does the inside of the tire last longer? Since there is no oxygen and no vapor your tires inside should not corrode.

  • Why does the Nitrogen Filled Tire result in better gas mileage? It is already known that properly pumped tires helps in tire resistance, putting nitrogen in the tires help them remain properly inflated.

  • How is it safer for the environment? When the car uses less gas per mile it helps to limit that amount of gas leaked into the atmosphere.

The downfall of Nitrofill for your Tires.

After being informed of the benefits I still hesitated to give it a try until I found more information on this product. While researching I found out that aircraft's and race cars have been using this technology for years.

After that startling statement I began to think this might be safe for me to give it a try, but there are always several negatives to each positive.

Its turns out that he air used in your local gas station for filling tires is 78 percent nitrogen. Meaning that only 22% of O2 is actually in one's tire. 

One should also know that majority of tire leaks occur from improperly inflated tires. Nitrogen provides no fixes for human error.

The claim of the tire lasting longer on the inside is insignificant. It’s the outside of the tire someone should be concerned about. The outside of the tires wears out much quicker than the inside. Another turnoff to using nitrogen is the price. At $10 per tire,nitrogen is much more expensive than the couple of quarters at the gas station. Considering all of the above information I decided to let the Pros stick to Nitrogen as potential benefits remain negligible to the average consumer..

Would you ever put Nitrogen in your Car Tires?

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    • profile image


      6 years ago

      @Nitrogen2Go, how is it safer? throw me some quick facts out here. impress me.

    • profile image

      Nitrogen 2 Go 

      6 years ago

      @Tireman, Just ask yourself this simple question. Does a NASCAR driver being paid millions of dollars to drive a million dollar vehicle equipped with nitrogen inflated tires deserve a safer tire than you, your family, or your much valued customers that you care a great deal about?

    • profile image


      6 years ago

      @Nitrogen2Go, no thanks im totally against ripping people off! bottom line is...check your tires sometimes, make sure they are properly inflated for free, instead of paying $5.00+ per tire. make sure your car is properly aligned, and rotate at least once a year. take my advice, from a family owned company with 60+ years in the business! Now, if you want to waste money on it...that's fine no problem at all, but I will not be using nitrogen in my shops.

    • Nitrogen2Go profile image


      6 years ago from Albuquerque, New Mexico


      The nitrogen molecule is larger than the oxygen molecule. Oxygen causes oxidization of the inner liner which results in additional pressure loss. Compressed air concentrates humidity and that moisture is injected into your tire. Water in compressed air acts as a catalyst, accelerating rust and corrosion. When the tire heats up the water changes from liquid to vapor. Water vapor absorbs and holds heat, and expands tremendouly in volume. Tires inflated with wet air run hotter and fluctuate more in pressure.

      Nitrogen is a larger and more effective molecule than oxygen so it will leak from your tires about 4 times slower; this allows you to maintain the correct PSI, or tire footprint, for longer periods of time. Converting your tires to nitrogen will remove the vast majority of the oxygen which will enhance the tires longevity. Nitrogen is a cool, dry, and inert gas, so removing the vast majority of moisture will allow your tires to run cooler and not expand and contract as one containing compressed air. Removing the moisture will also protect your wheels and valve stem from corrosion.

      Studies have shown that converting your tires from air to nitrogen will increase your gas mileage 4% - 10%, and extend your tire life up to 50%.

      To learn more please visit Also I ask you to be kind enough to Like our FaceBook page @ .

      @Tireman8329: Please visit the site and take a look at our Handheld Nitrogen Inflation Wand. I will give you a great discount for this much needed shop tool.

      Thank you,


    • profile image


      6 years ago

      I own a tire shop, and I see where people are coming from, trying nitrogen in their vehicles, trying to make the tire last longer and extend fuel milage, BUT, I've seen it put wear on tires in crazy ways, and it doesn't seem to last at the proper pressure for as long as air does. Basically, the equipment companys are selling these nitrogen filling machines, and its just another way for shops to make money. Not saying its a scam, but its just a way to bring in a few more dollars for a shop. A good honest shop will check your pressure in all of your tires when you come in for service such as an oil chance, tire replacement, brakes, and other stuff, and if you check your tire pressure every month or so, I don't see where nitrogen is even needed. Im totally against taking peoples money, when it is unessasary, especially in the economy today.

    • profile image

      susan in subligna ga 

      6 years ago

      i trust my heritage nissan completely, today i went by for a new set of tires. judst like what came on the car.they put nitrogen in the tires. didn't ask for it so guess i will see. they also changed the psi according to template. ago i will SEE

    • profile image


      7 years ago

      You forgot to mention that NitroFill maintains tire pressure despite temp changes, you will find the tire pressure to be more consistent, even during dramatic temperature changes. As far as cost find a new place I charge 5$ per tire

    • profile image


      9 years ago

      Thanks for the information. My dealership was hawking this service at my last visit. I declined until I could do some research. You confirmed what I suspected. Just another cash cow for the dealership.


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