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Adjusting tyre pressure based on the driving conditions

Lowest Tyre Pressure - How Low Can You Safely Go?

Wondering how low you can go with your tyre pressure without risking damage to your tyres?

Adjusting tyre pressure can significantly impact your driving experience.

Let’s dive into this vital aspect of driving and discover the safest number your tyre pressure can go to.

On Road Driving

When it comes to driving on regular roads, maintaining the correct tyre pressure is crucial for safety, fuel efficiency, and tyre longevity.

Contrary to popular belief, lower tyre pressure does not necessarily mean better traction on asphalt or concrete surfaces. In fact, excessively low pressure can lead to uneven wear, reduced fuel economy, and even blowouts.

The recommended tyre pressure for on-road driving can vary depending on your vehicle’s owner’s manual or on a sticker placed on the driver’s side door jamb or fuel filler door.

Typically, the lowest tyre pressure for most passenger cars and SUVs is 30 PSI.

Off Road Driving

Taking your 4WD off-road can be an exhilarating experience, but it requires careful consideration of tyre pressure adjustments.

Lowering your tyre pressure can significantly improve traction on soft surfaces like sand, mud, or snow. However, going too low can lead to tyre damage and rim bending.

The right tyre pressure for off-road driving depends on various factors, including the terrain, vehicle weight, and tyre size.

A common practice is to drop the tyre pressure to around 15 to 20 PSI, but this can vary based on the specific conditions you encounter.


Understanding the significance of proper tyre pressure is essential not only for an enjoyable ride but also for the longevity of your tyres.

Remember to consult your vehicle’s manual and tyre manufacturer’s recommendations, and be cautious when lowering tyre pressure for off-road driving.

Louis from Tyre Geek


I'm Louis, an engineer passionate about helping Australians choose better tyres for their vehicles!