Nokian Seasonproof is a allround tyre made in total of 52 sizes, ranging from R14 to R14 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/50 R17 is 60mm wider than the narrowest dimension (165) and 30mm narrower than the widest one (255). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (225mm), which results in 112.5mm sidewall height. In 225/50 R17, there are 2 possible speed indexes for Nokian Seasonproof - "V","W", which are good for speeds up to 240, 270 km/h. In 225/50 R17, Seasonproof usually competes against HA32 Solus 4S, which is a tyre from Kumho with a rating of 67%, compared to 66% of the Nokian in question. Latest test in 225/50 R17 was held by Autobild in 2021, where Seasonproof received rating "Satisfactory" and finished on the 6. place. It was tested on a BMW 3.
