# Tyre Basics

How do I find out the correct SUV tyre pressure?

Learn what makes tyre pressure different for off-road SUV tyres

Fast facts

What is the correct tyre pressure for SUV tyres?

  • Tyre pressure varies – it depends on the size, load and type of tyres
  • Check your tyre pressure every two weeks
  • Find your vehicle’s recommended tyre pressure on the door frames of the passenger and driver’s side, fuel filler door and the vehicle’s manufacturer’s handbook
  • Check your air pressure even if you have a tyre pressure monitoring system

Tyre pressure is one of the most vital components of a tyre, no matter the type of vehicle they’re attached to. If you’re not doing it already, it’s important you check your tyre pressure every month. The right tyre pressure ensures optimal traction and grip on any terrain and gives you more mileage for your fuel.

Let’s get into detail and discuss how to find the correct tyre pressure for your SUV and the things you need to consider when it comes to monitoring tyre pressure.

What should the air pressure be for my SUV tyres?

Unfortunately, there’s no universal bar specification that matches every tyre. However, for a general example, if you have an SUV with a relatively low load, the number will be around 2,4 bar.

There are several things to consider when adjusting your air pressure. If you drive your on-road SUV or CUV primarily on asphalt roads – and are not doing anything unusual on your drive such as carrying a heavy load or driving for a very long time – there are some quick handy places to check what your tyre pressure should be:

  • On the door frames of the passenger and driver’s side
  • On the fuel filler door

However, if you are carrying a heavy load and are going on a long car trip, you should always refer to:

    • Your vehicle’s manufacturer’s handbook (see below). 

    It will detail the recommended pressure for the front and rear tyres of your particular vehicle. This is the minimum amount of air pressure needed in cold tyres to support your vehicle. You’ll probably see two figures, one for normal use and one for full loads. If you’re still unsure, always check with your local tyre professional.

    SUV Air pressure

    Air pressure for Four Wheel Drive (4WD) tyres

    You will also find the recommended air pressure for 4WD tyres in your SUV manufacturer’s handbook, vehicle door frames and the fuel filler door – the same as for any other vehicle. However, it’s common to lower the tyre pressure when you're off-roading. This is done to reduce the bouncing on uneven terrain and to also increase the tyre contact area over soft or uneven ground. This helps reduce rolling resistance while increasing grip and, overall, reduces the chances of a puncture. However, with lower air pressure, you can’t drive as fast due to the heat buildup in tyres.

    What if I have a tyre pressure monitoring system?

    If you have a 2008 or newer SUV, it will probably have a tyre pressure monitoring system (TPMS). In many countries, these are already mandatory and most new cars come equipped with them as standard. The sensors continuously monitor tyre pressure and will alarm you with a dashboard symbol when pressure is dangerously low.

    When the TPMS light illuminates, you need to check the pressure of all four tyres. Only one might need air, but it’s important to do a thorough check. The TPMS light will also flash if you’re using a spare tyre and the vehicle cannot detect the sensor of the original wheel. If you’ve checked all tyres and can’t find anything wrong, there could be a malfunction with the TPMS system.

    While the TPMS system is a great way to warn you of a puncture, it’s still your responsibility to check your tyres and be aware of their condition, so you can react in advance to issues like uneven wear or dangerously low tread.

    Tips for checking tyre pressure

    As a general rule, aim to check your tyre pressure every two to four weeks and every time you set off for a long trip or are carrying a heavy load.

    • Make sure your tyres are cold.
      You’ll get a more accurate reading if you check the pressure first thing in the morning when they haven’t been used or haven’t been in the direct sunlight for too long.
    • Always use the handbook.
      When in doubt, refer to the vehicle’s manufacturer’s handbook. It will specify the minimum amount of air pressure needed in cold tyres to support your vehicle.
    • Use a reliable gauge and air compressor.
      You can buy one from an auto store or use one at a petrol station.
    • Check the pressure properly.
      Place the gauge onto the valve stem and press down firmly until the hissing sound of air escaping stops. The gauge will show a reading of the pressure, make sure it matches the manufacturer’s recommendation. If it’s too high, push the valve to let out some air. If the air pressure is too low, attach the air compressor to the valve and fill the tyre until it reaches the recommended level.

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