Best Time to Change Car Tires

By Sandra Zablotna - Thursday, 17 April 2025

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Why Tyre Maintenance is Important?

It is very important to keep your tyres in the best shape possible. Specific guidelines exist in Australia on when to consider replacing your tyres - based on their tread depth, age or visible damage. Tyres are the sole point of contact between your vehicle and the road so having the correct tyres is essential for maintaining good vehicle performance, especially in changing weather conditions. In this article, we will discuss the signs that you will need to look out for as they are telling you that the time has come for a tyre replacement, along with how to ensure your tyres last longer. So, here’s what you should be aware of and how to maintain your tyres.

 

How to Know When to Replace Them: Tread Depth

Your tires’ tread depth has a lot to do with the safety of your vehicle. In Australia, tyres are legal down to 1.5mm of remaining tread, but experts say tyres should be replaced once tread is worn to 3mm for maximum grip and performance. You can check the tread depth with a gauge or the tread wear indicators on your tyres. When the rubber blocks are even with the surface of the tyre, it’s time for a change. And don't forget that worn tyres with shallow tread, even when they still look to have enough depth, can affect how your new or used car handles, particularly in the wet.

 

Tyre Age: More Than Just Tread Life

Tyres can also become unsafe due to ageing even if they have loads of tread left. Tyres wear down over time, increasing the risk of knock on effect when they burst. In Australia, it is widely recommended that tyres older than 10 years are replaced, irrespective of tread depth. You can find the age of your tyres by looking for the four-digit build date printed on the sidewall, which shows the week and year they were made. Regular inspection can help prevent unforeseen tyre failure, because as tyres age, they are more susceptible to damage and deterioration.

Outward Signs of Damage: Cracks, Bulges and Vibration

There are plenty of visible signs of damage to watch out for that can be a good sign it is time to replace your tyres. Cracks or “crazing” on the sidewalls of your tyres are an obvious sign of age and deterioration. Bulges or blisters signify internal damage to the tyre and necessitate immediate replacement, or at worst risk blowout. Uneven tread wear can also indicate alignment issues or other problems, while excessive vibrations while driving can mean a damaged tyre or an alignment issue. If you’re exhibiting any of these symptoms on your used Toyota Corolla or other good car models, be sure you have your tyres properly examined and replaced where necessary.

How to Take Care of Your Tyres to Last Longer

Maintaining and regularly having your tyres checked ensures they last for as long as possible. One is tyre rotation — this allows wear to be distributed more evenly between each of the four tyres. A car professional should do this at least once a year. Tyres should also always be properly inflated; an under-inflated tyre will wear out prematurely while an over-inflated tyre will reduce traction. Inspecting your tyres regularly and fixing issues such as punctures, cracks or bulges immediately, where possible, will prolong the life of your tyres and keep your car riding at its best.