Michelin 57173 Pilot Sport 4 SUV 315/40ZR21 115Y Summer Ultra High Performance Tire

The Michelin Pilot Sport 4 SUV (315/40ZR21) is a summer ultra high performance tire engineered specifically for high-end SUVs and crossovers demanding both spirited handling and everyday confidence. Built on Michelin's advanced compound and construction technology, this tire delivers exceptional dry grip, precise wet-weather responsiveness, and long-lasting durability.

Tread Design & Performance:

• Asymmetrical tread pattern — the outboard zone is optimized for maximum dry grip and cornering stability, while the inboard zone channels water effectively for enhanced wet-road traction
• Rigid tread blocks on the outer shoulder deliver precise steering response and confident handling at high speeds

Construction & Durability:

• High-density double casing provides a robust tire structure for improved load-carrying capability and robustness suited to heavier SUV applications
• Hybrid aramid and nylon belt construction reinforces the tire against road hazards while maintaining ride compliance and structural integrity

Sidewall & Finish:

• Premium Touch finish delivers a distinctive dark velvet appearance on the external sidewall for a refined, premium aesthetic
• Deep rim protector helps guard alloy wheels against curb and light impact damage, preserving the appearance of high-value OEM and aftermarket wheels

Tire Specifications:

• Size: 315/40ZR21
• Service Description: 115(Y)
• Sidewall: Black Sidewall (BSW)
• Season: Summer / Ultra High Performance
• MPN: 57173

The Michelin Pilot Sport 4 SUV is the ideal choice for performance-focused SUV owners who refuse to compromise between dynamic driving capability and all-weather wet safety. Engineered in France and backed by Michelin's global reputation for quality and innovation.