The Michelin Pilot Sport 5 XL (235/45R18 98Y) is a high-performance summer tyre (UHP category) designed for sporty sedans, hot hatches, and performance-oriented cars. It focuses on maximum grip, sharp handling, and high-speed stability, while still keeping better comfort than older Pilot Sport generations.

• Size: 235/45R18
• Load index: 98 (extra strong for this size)
• Speed rating: Y (up to 300 km/h)
• XL (Extra Load): reinforced sidewall for high-performance driving
• Type: Ultra High-Performance summer tyre

(This exact size is widely used on BMW 3-series, Audi A4/S4, VW GTI setups, etc.)