Michelin 22311 Pilot Sport 4 275/40R18 103Y XL ZP Run-Flat Summer Tire

The Michelin Pilot Sport 4 (MPN: 22311) is an Ultra High Performance (UHP) summer tire engineered for driving enthusiasts who demand responsive handling, precise steering, and confident grip in both wet and dry conditions. Sized at 275/40R18 with a 103Y XL service description, this ZP (Zero Pressure) run-flat variant allows continued driving after a pressure loss, providing added peace of mind without sacrificing performance.

Key Features:

• Dynamic Response Technology: A hybrid Aramid and Nylon belt construction delivers precise, immediate transmission of steering inputs to the road surface for outstanding reactivity and control.
• Motorsport-Inspired Tread Design: The ultra-reactive asymmetric tread pattern, developed from Formula E and WRC racing experience, continuously adapts to the road for an optimized contact footprint.
• Superior Wet Performance: A silica-based compound blended with functional elastomers delivers excellent wet grip and braking confidence; wide, deep longitudinal grooves provide effective water evacuation and drainage.
• Run-Flat (ZP) Construction: Reinforced sidewalls allow the tire to support vehicle load even after a complete loss of inflation pressure, enabling continued travel to a service location.
• XL (Extra Load) Rated: Engineered to handle higher load capacities than standard load tires of the same size.
• AO Designation: This tire carries the Audi Original Equipment (AO) marking, indicating it was developed and approved as OE fitment on Audi vehicles.
• UTQG Rating: 320 A A — Treadwear 320, Traction A, Temperature A.
• 20,000-Mile Treadwear Warranty backed by the Michelin Promise Plan™.

The Pilot Sport 4 is a summer-only tire and is not designed for use in near-freezing temperatures, snow, or ice. It is the preferred choice of high-end and performance car manufacturers as original equipment, and delivers a compelling combination of track-derived performance and real-world durability for sports cars, performance coupes, and high-performance sedans.