Michelin Pilot Sport 4 SUV is a summer tyre made in total of 118 sizes, ranging from R17 to R17 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/45 R19 is 30mm wider than the narrowest dimension (225) and 80mm narrower than the widest one (335). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (255mm), which results in 114.75mm sidewall height. In 255/45 R19, there is only one possible speed index for Michelin Pilot Sport 4 SUV - "V", which is good for speeds up to 240 km/h.
Relevant tyre tests in same or similiar dimension (255/45 R19)
Automotorsport Summer tyre test 2023 255/45 R20 very good Ranked #6 of 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.