Michelin PILOT SPORT A/S 4 - Ultra high performance All-Season - 215/45R17 91Y XL
Tire Brand & Model: Michelin Pilot Sport All Season 4
Part Number: 21677
Tire Season: Ultra-High-Performance All-Season
Tire Size: 215/45R17
Load Index: 91
Speed Rating: Y (300 km/h)
Load Range: XL (Extra Load)
UTQG Rating: 540 AA A
Treadwear Warranty: 70,000 km Limited Treadwear Warranty
Tread Depth: 10/32 inch
Tread Design: Asymmetrical
Electric Vehicle Optimized: Yes
Sidewall Styling: BSW (Black Sidewall)
Performance & Handling: A premium, ultra-high-performance tire engineered to deliver supercar-level handling and sharp steering precision, fully optimized to manage the immediate torque and extra weight demands of modern electric vehicles (EVs). Built with Michelin's Dynamic Response Technology—featuring an aramid/nylon belt package beneath the tread—it maintains maximum contact patch stability under severe cornering. Large outboard shoulder blocks feature a high-stiffness structure that resists lateral forces, pinning your vehicle to its tracking line during aggressive highway maneuvers.
All-Season Grip & Braking: Formulated with an advanced Helio+ compound that stays pliable in freezing conditions, paired with an asymmetric tread pattern featuring 3D variable-thickness sipes that lock together for reliable mechanical biting edges. Wide, high-volume circumferential channels quickly sweep standing water and slush from the footprint to aggressively mitigate hydroplaning risks, ensuring remarkably short stopping distances on dry, completely soaked, or light snow-covered winter roads.
Vehicle Fitment Context: As a highly versatile low-profile tire size, 215/45R17 is the original equipment (OE) and standard replacement size for a wide variety of popular compact cars, sport sedans, and commuter vehicles. This tire size provides an exact fitment match for models including the Toyota Corolla ( trims like SE and XSE), Honda Civic (including the Civic Si and Touring), Acura ILX, Hyundai Elantra (including GT and Sport trims), Kia Forte, and the Lexus CT 200h. It is also the staple factory tire size for rear-wheel-drive sports coupes like the Subaru BRZ, Toyota 86, and Scion FR-S, as well as the Mazda MX-5 Miata. Please verify your vehicle's specific year, trim level, and load rating requirements to ensure a perfect match.
Professional Mobile Installation Included: This tire includes convenient on-site installation at your home, driveway, or office workplace handled by Sparky X Mobile Tire Shop's TIA-certified technicians. Installation crews utilize specialized, non-marking rubber lifting pucks to safely shield sensitive underbody frames and battery channels from damage during service.
Mobile Shop Service Area: Exclusively available for professional on-site mobile installation within Ontario, Canada, covering Toronto, Markham, Richmond Hill, Thornhill, Pickering, Ajax, Whitby, Oshawa, Courtice, and Bowmanville.
Michelin PILOT SPORT A/S 4 - Ultra high performance All-Season - 215/45R17 91Y XL
