The Pilot Sport 4S has a treadwear rating of 300, while the Pilot Sport 4 has a treadwear rating of 320 (there are a few exceptions with 300 treadwear ratings, but not many).

If you’re in the market for a set of summer performance tires, the Michelin Pilot Sport 4S has been the go-to option for years. It’s a fantastic tire that absolutely deserves the reputation it ...