180/55 R17 - Best tyres 2025 - market overview, tests, reviews

180/55 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 (180mm), which means the sidewall height has 99 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 205/40 R18(1951.56 mm), 265/65 R18(2518.61 mm), 205/55 R17(2064.97 mm), 275/35 R18(2041.09 mm), 205/80 R16(2307.19 mm), 275/40 R22(2446.67 mm), 215/50 R17(2031.98 mm).