The Hidden Impact of Under-Inflated Tyres on Your Wallet

The Hidden Cost of Under-Inflated Tyres for Australian Motorists

Explain how improper tyre pressure increases rolling resistance and forces your car to burn more energy to maintain speed.

FuelRadar Australia Team27 Apr 20265 min read
The Hidden Cost of Under-Inflated Tyres for Australian Motorists - FuelRadar Australia

The 2026 Fuel Crisis: Why Every Drop Counts

As we navigate through April 2026, Australian motorists are facing a highly volatile energy market. Recent geopolitical tensions in the Middle East have caused a massive disruption to global oil supplies, with OPEC crude production dropping by nearly 7.9 million barrels per day in March alone. The resulting supply squeeze forced the Australian Government to temporarily halve the fuel excise to 20.6 cents per litre (a drop of 26.3 cents at the bowser) to provide much-needed relief from April to June.

Despite this intervention, prices remain stubbornly high, particularly for diesel drivers. When you're paying top dollar for rego, insurance, and fuel to fill up the family SUV or the work ute, fuel efficiency isn't just a nice-to-have\u2014it's a financial necessity. Yet, millions of Australians are unknowingly burning through their savings due to a hidden "stealth tax" on their vehicles: under-inflated tyres.

The Science of Rolling Resistance

Tyres are your vehicle's only contact point