If you consider yourself a car enthusiast, you've likely considered the option of nitrogen-filled tires at some point. Auto-shop attendants and other enthusiasts will be more than willing to offer you their opinion on this; however, there are a lot of myths prevalent that aren't quite true. Below are three of the most common myths regarding nitrogen-filled tires and the truth behind them: Nitrogen-filled Tires Hold Pressure for Longer One of the most widespread myths regarding nitrogen-filled tires is that they are much better at holding their pressure.