215/75 R14 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 - 75 is height of the tyre, which is calculated as 75% of the tyre width (215mm), which means the sidewall height has 161.25 mm. The wheel diameter is R14, which means it fits to a 14 inch/355.6mm diameter wheel. The total circumference of the tyre is 2130.31 mm, which is very similar to 245/45 R18(2129.06 mm), 245/40 R19(2131.88 mm), 275/40 R18(2127.49 mm), 285/30 R20(2133.14 mm), 225/55 R17(2134.08 mm), 195/70 R16(2134.4 mm), 245/35 R20(2134.71 mm).