215/80 R15 doesn't belong to the most popular dimensions for winter tyres - there are 6 tyre models available, which can be compared to
155/60 R15,
170/60 R17,
160/60 R14. Let's break down the sizing - 80 is height of the tyre, which is calculated as 80% of the tyre width (215mm), which means the sidewall height has 172 mm. The wheel diameter is R15, which means it fits to a 15 inch/381mm diameter wheel. The total circumference of the tyre is 2277.65 mm, which is very similar to 225/65 R17
(2275.46 mm), 275/35 R21
(2280.48 mm), 225/60 R18
(2284.57 mm), 195/55 R20
(2269.8 mm), 245/50 R19
(2285.82 mm), 275/40 R20
(2287.08 mm), 325/30 R21
(2288.34 mm). There are multiple speed indexes available for winter tyres in 215/80 R15: Q
(160km/h), R
(170km/h), T
(190km/h). The same goes for weight indexes: 102.
