365/85 R20 - Best winter tyres 2025 - market overview, tests, reviews

365/85 R20 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 - 85 is height of the tyre, which is calculated as 85% of the tyre width (365mm), which means the sidewall height has 310.25 mm. The wheel diameter is R20, which means it fits to a 20 inch/508mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 155/80 R13(1816.47 mm), 245/35 R21(2214.51 mm), 165/65 R13(1711.23 mm), 245/45 R19(2208.85 mm), 175/55 R15(1801.7 mm), 245/70 R16(2354.31 mm), 175/75 R16(2101.41 mm).