175/80 R13 doesn't belong to the most popular dimensions for summer tyres - there are 2 tyre models available, which can be compared to
155/60 R15,
170/60 R17,
160/60 R14. Let's break down the sizing - 80 is height of the tyre, which is calculated as 80% of the tyre width (175mm), which means the sidewall height has 140 mm. The wheel diameter is R13, which means it fits to a 13 inch/330.2mm diameter wheel. The total circumference of the tyre is 1917 mm, which is very similar to 185/55 R16
(1916.06 mm), 195/65 R14
(1913.54 mm), 205/50 R16
(1920.77 mm), 175/65 R15
(1911.66 mm), 215/35 R18
(1909.15 mm), 205/55 R15
(1905.38 mm), 185/70 R14
(1930.82 mm). There are multiple speed indexes available for summer tyres in 175/80 R13: P
(km/h), Q
(160km/h), S
(180km/h). The same goes for weight indexes: 94, 97.
