160/70 R17 doesn't belong to the most popular dimensions for winter tyres - there are tyre models available, which can be compared to
325/30 R21,
155/60 R15,
155/65 R13. Let's break down the sizing - 70 is height of the tyre, which is calculated as 70% of the tyre width (160mm), which means the sidewall height has 112 mm. The wheel diameter is R17, which means it fits to a 17 inch/431.8mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 295/30 R18
(1992.4 mm), 225/55 R19
(2293.68 mm), 295/40 R21
(2417.14 mm), 225/70 R16
(2266.34 mm), 325/25 R20
(2106.44 mm), 235/45 R17
(2020.99 mm), 235/55 R18
(2248.44 mm).
