325/25 R20 doesn't belong to the most popular dimensions for all-tests 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 - 25 is height of the tyre, which is calculated as 25% of the tyre width (325mm), which means the sidewall height has 81.25 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 255/55 R20
(2477.15 mm), 195/45 R15
(1748.3 mm), 265/30 R19
(2015.65 mm), 195/60 R15
(1932.08 mm), 265/35 R22
(2338.29 mm), 195/75 R16
(2195.66 mm), 265/50 R19
(2348.65 mm).
