255/60 R18 jest 30mm szerszy niż najwęższy wymiar (225) i 80mm węższy niż najszerszy (335). Profil opony 60 oznacza, że wysokość boku opony wynosi 60% szerokości opony (255mm), co daje wysokość boku 153mm. W 255/60 R18, istnieje tylko jeden możliwy indeks prędkości dla Michelin Pilot Sport 4 SUV - "W", który jest dobry dla prędkości do 270 km/h.
Automotorsport Test opon letnich 2023 255/45 R20 Bardzo dobry Pozycja # 6 z 10Finishing sixth out of ten competitors, the Michelin Pilot Sport 4 SUV demonstrated a solid performance, earning a final rating of 'Very Good'. The tyre was particularly praised for its excellent aquaplaning protection, outstanding ride comfort, and exceptionally quiet interior noise, underscoring its strengths in areas critical for summer driving conditions. Despite these positive aspects, there were a few drawbacks noted, such as slightly longer stopping distances on dry surfaces, minor handling weaknesses in wet conditions, and a somewhat increased rolling resistance, along with elevated pass-by noise. Amongst its standout achievements, the tyre excelled in Aquaplaning - longitudinal, Comfort, and Dry lane changing disciplines, showcasing its balanced performance across these critical safety and comfort categories.