180/70 R15 - Best winter tyres 2025 - market overview, tests, reviews

180/70 R15 doesn't belong to the most popular dimensions for winter tyres - there are 3 tyre models available, which can be compared to 155/60 R15, 170/60 R17, 160/60 R14. Let's break down the sizing - 70 is height of the tyre, which is calculated as 70% of the tyre width (180mm), which means the sidewall height has 126 mm. The wheel diameter is R15, which means it fits to a 15 inch/381mm diameter wheel. The total circumference of the tyre is 1988.63 mm, which is very similar to 185/75 R14(1988.94 mm), 205/55 R16(1985.17 mm), 295/30 R18(1992.4 mm), 225/45 R17(1992.71 mm), 195/65 R15(1993.34 mm), 225/50 R16(1983.6 mm), 175/80 R14(1996.8 mm). There are multiple speed indexes available for winter tyres in 180/70 R15: H(210km/h). The same goes for weight indexes: 76.