Michelin 79631 Pilot Sport 4S Ultra-High Performance Summer Tire 285/40ZR18 105Y XL

The Michelin Pilot Sport 4S is a Max Performance Summer tire developed in cooperation with demanding manufacturers including Audi, BMW, Mercedes-Benz and Porsche, utilizing technologies engineered during the 24 Hours of Le Mans competition. Designed for serious drivers looking to maximize the performance potential of sports cars, performance sedans and powerful luxury vehicles, this tire delivers exceptional grip and precision in warm weather conditions.

Advanced Multi-Compound Technology:

• Outer shoulder features hybrid tread rubber optimized for dry handling and braking, while center ribs and inboard shoulder utilize silica-infused wet compound for enhanced wet braking performance
• Variable Contact Patch 3.0 optimizes pressure distribution across the contact patch through turns, reducing hot spots and improving tire life
• Asymmetric tread pattern with race-derived compounds for superior traction

High-Performance Construction:

• Twin steel belts reinforced by spirally wound hybrid Aramid and nylon belt for lightweight, high-strength construction that enhances high-speed handling and durability
• Single-ply polyester cord casing balances ride quality and responsive handling
• Dynamic Response Technology for optimal steering precision

Key Features:

• UTQG rating: 300 AA A
• 30,000-mile limited tread life warranty
• Tread depth: 9.5/32 inch
• Maximum load capacity: 2,039 lbs at 50 PSI
• Black sidewall with Premium Touch velvet-effect finish (select sizes)
• XL (Extra Load) rated for enhanced load-carrying capability

The Pilot Sport 4S excels in warm dry and wet conditions, but like all Max Performance Summer tires, is not intended for use in near- or below-freezing temperatures, snow or ice. This tire represents the pinnacle of street-legal performance tire technology, delivering track-capable performance with everyday usability.