285/55 R20 - Best tyres 2025 - market overview, tests, reviews

285/55 R20 doesn't belong to the most popular dimensions for 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 - 55 is height of the tyre, which is calculated as 55% of the tyre width (285mm), which means the sidewall height has 156.75 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 215/60 R16(2087.27 mm), 285/30 R20(2133.14 mm), 215/75 R16(2289.91 mm), 285/40 R20(2312.21 mm), 225/45 R17(1992.71 mm), 295/25 R20(2059.31 mm), 225/55 R18(2213.88 mm).