Cooper Discoverer Winter is a winter tyre made in total of 37 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/55 R17 is 20mm wider than the narrowest dimension (215) and 60mm narrower than the widest one (295). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (235mm), which results in 129.25mm sidewall height. In 235/55 R17, there are 2 possible speed indexes for Cooper Discoverer Winter - "H","V", which are good for speeds up to 210, 240 km/h. In 235/55 R17, Discoverer Winter usually competes against Snowproof 2 SUV, which is a tyre from Nokian with a rating of 64%, compared to 69% of the Cooper in question. Latest test in 235/55 R17 was held by ADAC in 2020, where Discoverer Winter received rating "Satisfactory" and finished on the 10. place. It was tested on a Ford Kuga.
