135/80 R13 - Best summer tyres 2025 - market overview, tests, reviews

135/80 R13 doesn't belong to the most popular dimensions for summer 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 - 80 is height of the tyre, which is calculated as 80% of the tyre width (135mm), which means the sidewall height has 108 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 mm, which is very similar to 205/50 R15(1840.97 mm), 265/70 R17(2522.07 mm), 205/60 R16(2049.58 mm), 275/35 R21(2280.48 mm), 215/40 R17(1896.89 mm), 275/45 R20(2373.47 mm), 215/55 R17(2099.53 mm). There are multiple speed indexes available for summer tyres in 135/80 R13: T(190km/h). The same goes for weight indexes: 70.