165/80 R13 doesn't belong to the most popular dimensions for summer tyres - there are 9 tyre models available, which can be compared to
185/80 R14,
155/70 R19,
155/80 R13. Let's break down the sizing - 80 is height of the tyre, which is calculated as 80% of the tyre width (165mm), which means the sidewall height has 132 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 1866.73 mm, which is very similar to 165/65 R15
(1870.82 mm), 195/55 R15
(1870.82 mm), 205/40 R17
(1871.76 mm), 185/65 R14
(1872.7 mm), 185/50 R16
(1857.94 mm), 175/60 R15
(1856.68 mm), 205/45 R16
(1856.37 mm). There are multiple speed indexes available for summer tyres in 165/80 R13: P
(km/h), Q
(160km/h), R
(170km/h), S
(180km/h), T
(190km/h). The same goes for weight indexes: 83, 87, 88, 91, 94.