The Michelin Pilot Sport A/S 4 is a high-performance all-season tire designed for use on passenger cars, minivans, and SUVs. It features an asymmetric tread pattern with a silica-infused rubber compound for improved wet and dry traction, as well as a reinforced sidewall for better cornering stability. The tire also has an optimized tread block sequence for improved noise reduction and a longer tread life.