315/30 R23 doesn't belong to the most popular dimensions for winter tyres - there are 0 tyre models available, which can be compared to
155/60 R15,
170/60 R17,
160/60 R14. Let's break down the sizing - 30 is height of the tyre, which is calculated as 30% of the tyre width (315mm), which means the sidewall height has 94.5 mm. The wheel diameter is R23, which means it fits to a 23 inch/584.2mm diameter wheel. The total circumference of the tyre is 2429.08 mm, which is very similar to 265/50 R20
(2428.45 mm), 295/45 R20
(2430.02 mm), 245/75 R16
(2431.28 mm), 265/55 R19
(2431.91 mm), 265/45 R21
(2425 mm), 215/85 R16
(2425 mm), 245/70 R17
(2434.11 mm). There are multiple speed indexes available for winter tyres in 315/30 R23: W
(270km/h). The same goes for weight indexes: 108.
