205/75 R15 - Best summer tyres 2025 - market overview, tests, reviews

205/75 R15 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 - 75 is height of the tyre, which is calculated as 75% of the tyre width (205mm), which means the sidewall height has 153.75 mm. The wheel diameter is R15, which means it fits to a 15 inch/381mm diameter wheel. The total circumference of the tyre is 2162.99 mm, which is very similar to 235/60 R16(2162.67 mm), 295/35 R19(2164.87 mm), 215/60 R17(2167.07 mm), 235/55 R17(2168.64 mm), 255/45 R18(2157.33 mm), 255/40 R19(2157.02 mm), 255/35 R20(2156.7 mm). There are multiple speed indexes available for summer tyres in 205/75 R15: R(170km/h), S(180km/h), T(190km/h). The same goes for weight indexes: 97, 102, 110.