285/25 R20 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 - 25 is height of the tyre, which is calculated as 25% of the tyre width (285mm), which means the sidewall height has 71.25 mm. The wheel diameter is R20, which means it fits to a 20 inch/508mm diameter wheel. The total circumference of the tyre is 2043.61 mm, which is very similar to 215/45 R18
(2044.23 mm), 225/60 R15
(2045.18 mm), 275/35 R18
(2041.09 mm), 185/80 R14
(2047.06 mm), 200/55 R17
(2047.69 mm), 160/60 R18
(2039.52 mm), 235/30 R20
(2038.89 mm).
