If you have a small tread (up to 10,000 km / year *), they have been "used" for the summer and are constantly driven on the winter, the tires are not only "driving" but also getting older - five-year-old and older tires no longer have new features. Otherwise - depending on the type of compound and the way of driving (or size), new tires for a passenger will, say, 20-60 thousand. km.