Making sure that your tyres are in good condition is extremely important when it comes to the safety of your car. You will need to change your tyres before they wear out completely, and how often you have to do so will depend entirely on how often and how far you drive.
But you will need to make an important decision when you do change your tyres – what exactly are you looking for? If you are on a budget then you may just choose the tyres based entirely on price. Many drivers are not aware of the impact that different tyres may have on other aspects of their vehicle.