Tire Rack's warranty is a manufacturer's guarantee of quality and it defines the period for which they will repair or replace a product that shows signs of defect in material or workmanship. While most consumer products are supported for the first 30, 60 or 90 days of use or up to one year from the date of purchase, tires (which are subjected to a wider range of conditions and extreme temperatures than other consumer products) are generally supported by Its manufacturer's limited warranty runs from 4 to 6 years from the date of purchase or until the tread wears, whichever comes first.