Tyre Pressure and Fuel Economy: The Free 5% Gain
Why under-inflated tyres cost you fuel, grip and tyre life — and how often to check.
Aditya VermaSenior Road Test Editor 1 min read
In this article
Under-inflated tyres increase rolling resistance, wear the shoulders and lengthen braking distances.
How often to check
Every two weeks, and before long trips, when the tyres are cold. Use the pressure printed on the driver's door frame — not the maximum on the tyre sidewall.
Nitrogen or air?
Nitrogen leaks slightly more slowly, but regular checks matter far more than what's inside.
Keep reading
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