Run-Flat Tires Replace Spares


Some auto man­u­fac­tur­ers are out­fit­ting vehi­cles with run-flat tires designed to run up to 125 miles after a punc­ture to replace the tra­di­tion­al spare tire. Replac­ing run-flat tires costs more than dou­ble the price of con­ven­tion­al tires, and con­sumers say their tire life is short­er.