Costco's automotive department has a wide array of tires to fit any vehicle and periodically offers discounts on complete sets of tires. The home page of the department website provides details on any current specials including the discount and the period of time for which it is valid.
Costco's website allows prospective customers to search for tires based on a variety of criteria including price, brand and type of tire. The site offers discounts and specials on complete sets of tires and usually features a particular brand name. The company offers additional specials to Costco members such as lifetime tire maintenance for a monthly fee.