255/45ZR20 (105Y) XL BW Michelin Pilot Sport 4S

The Michelin Pilot Sport 4S 255/45ZR20 (105Y) XL is a pinnacle ultra-high performance tire engineered for the most demanding sports car and performance vehicle drivers. With a (Y) speed rating on a ZR carcass — indicating no upper speed limit — and bearing the Electric Vehicle (EV) marking, the Pilot Sport 4S is Michelin's flagship street performance tire, validated for the extreme demands of high-performance electric and hybrid vehicles.

Featuring Michelin's EVC (Evolving Tread Compound) technology and a dual compound tread design, the Pilot Sport 4S delivers exceptional dry grip with a firm outer shoulder compound for cornering stability, while a softer inner compound maximizes wet traction. Its optimized asymmetric tread pattern provides razor-sharp steering response and maximum contact patch for track-level performance on the street.

Built with an Extra Load (XL) construction at 31.81 lbs, this tire is engineered for precision and performance. The UTQG rating of 300 AA A reflects a compound that balances maximum traction with improved longevity compared to pure track tires, backed by a 30,000-mile treadwear warranty.

The definitive choice for performance car and EV owners who demand the absolute best in street ultra-high performance — Michelin's most capable road tire.

✔️ Key Benefits

• (Y) speed rating on ZR carcass — no upper speed limit
• EV-marked — validated for electric and hybrid vehicle demands
• EVC dual compound tread for maximum dry and wet grip
• UTQG 300 AA A — maximum traction with 30,000-mile warranty
• Extra Load (XL) construction for high-performance fitments