225/40 R18 Radar Dimax Winter variants

Weight index

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Speed index

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MFSNo

RunflatNo

Radar Dimax Winter is a winter tyre made in total of 37 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/40 R18 is 60mm wider than the narrowest dimension (165) and 50mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (225mm), which results in 90mm sidewall height. In 225/40 R18, there is only one possible speed index for Radar Dimax Winter - "", which is good for speeds up to km/h. Latest test in 225/40 R18 was held by ADAC in 2025, where Dimax Winter received rating "Poor" and finished on the 21. place. It was tested on a VW Golf.