295/35 R18 doesn't belong to the most popular dimensions for winter tyres - there are 1 tyre models available, which can be compared to 155/60 R15, 170/60 R17, 160/60 R14. Let's break down the sizing - 35 is height of the tyre, which is calculated as 35% of the tyre width (295mm), which means the sidewall height has 103.25 mm. The wheel diameter is R18, which means it fits to a 18 inch/457.2mm diameter wheel. The total circumference of the tyre is 2085.08 mm, which is very similar to 215/60 R16(2087.27 mm), 225/40 R19(2081.62 mm), 225/35 R20(2090.73 mm), 305/30 R19(2091.04 mm), 255/45 R17(2077.54 mm), 255/40 R18(2077.22 mm), 255/35 R19(2076.91 mm). There are multiple speed indexes available for winter tyres in 295/35 R18: V(240km/h). The same goes for weight indexes: 99.