Most tires are considered to have a life of between 25,000 and 50,000 miles before they need to be replaced. However, these numbers are only averages. A car owner's manual can include specific recommendations regarding how often and in what manner tires should be replaced for a particular model of car.

Here's more on how you can protect your tires: http://www.motorist.sg/article/68/7-top-reasons-why-your-tyres-blowout