205/60 R13 doesn't belong to the most popular dimensions for summer tyres - there are 1 tyre models available, which can be compared to 155/60 R15, 170/60 R17, 160/60 R14. Let's break down the sizing - 60 is height of the tyre, which is calculated as 60% of the tyre width (205mm), which means the sidewall height has 123 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 1810.19 mm, which is very similar to 195/50 R15(1809.56 mm), 175/70 R13(1807.04 mm), 185/60 R14(1814.58 mm), 155/80 R13(1816.47 mm), 215/40 R16(1817.1 mm), 175/55 R15(1801.7 mm), 165/60 R15(1818.98 mm). There are multiple speed indexes available for summer tyres in 205/60 R13: V(240km/h). The same goes for weight indexes: 86, 90.