215/55 R18 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 (215mm), which means the sidewall height has 118.25 mm. The wheel diameter is R18, which means it fits to a 18 inch/457.2mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 225/55 R16
(2054.29 mm), 295/35 R20
(2244.67 mm), 225/65 R16
(2195.66 mm), 315/30 R22
(2349.28 mm), 235/40 R17
(1947.16 mm), 235/50 R18
(2174.61 mm), 235/60 R18
(2322.27 mm). You can find 215/55 R18 on 16 car models - mainly .
