275/55 R17 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 (275mm), which means the sidewall height has 151.25 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 215/75 R15
(2210.11 mm), 285/40 R20
(2312.21 mm), 225/40 R19
(2081.62 mm), 295/25 R20
(2059.31 mm), 225/55 R17
(2134.08 mm), 295/40 R20
(2337.34 mm), 225/65 R17
(2275.46 mm).
