The Yokohama Advan Sport A/S+ 245/45r20/4 is an ultra-high performance tire designed for drivers who demand the highest levels of grip and handling. The tire features an advanced tread pattern with wide grooves and an asymmetric design for superior wet and dry grip. It also has a special compound that helps to reduce rolling resistance and improve fuel economy. The tire is also designed to provide a comfortable ride and reduce road noise.