Michelin 03860 Pilot Sport All Season 4 315/35R21 111Y Ultra High Performance Tire

The Michelin Pilot Sport All Season 4 is an ultra-high performance all-season tire engineered for sports cars, performance sedans, and high-performance vehicles. Designed to deliver exceptional handling and grip year-round, this tire combines summer-level performance with confident all-season traction, including light snow capability.

Advanced Performance Technologies:

• Dynamic Response Technology: Hybrid aramid and nylon belt construction evenly distributes forces and temperatures across the contact patch for enhanced steering precision and longer tread life
• Helio Plus Technology: Advanced elastomer compound with functional silica and sunflower oil maintains flexibility and grip even in near-freezing temperatures
• Extreme Silica Plus Compound: Enhanced wet braking and grip performance through advanced silica-based tread formulation

Traction and Handling Features:

• Asymmetric Tread Design: Places additional rubber on the outer shoulder for exceptional cornering grip and lateral stability during aggressive driving
• Variable Contact Patch 3.0: Optimizes contact patch throughout the tire's rotation to maximize grip and even wear throughout the tire's life
• Full-Depth Interlocking Sipes: Distinctive sipe pattern creates thousands of biting edges that maintain effectiveness throughout the tire's life for consistent wet and light snow traction
• Wide Circumferential Grooves: Four wide grooves efficiently evacuate water to resist hydroplaning and maintain wet weather control

This tire carries a 45,000-mile manufacturer's treadwear limited warranty and features Michelin's standard limited warranty. The 111Y service description indicates a load capacity of 2,403 lbs per tire and a maximum speed capability exceeding 186 mph, making it ideal for high-performance driving applications.