165/55 R15 - Best tyres 2025 - market overview, tests, reviews

165/55 R15 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 (165mm), which means the sidewall height has 90.75 mm. The wheel diameter is R15, which means it fits to a 15 inch/381mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 245/35 R18(1975.12 mm), 160/70 R17(2060.26 mm), 245/40 R21(2291.48 mm), 165/80 R13(1866.73 mm), 245/55 R17(2203.2 mm), 175/65 R15(1911.66 mm), 255/35 R18(1997.11 mm).