245/75 R15 - Best summer tyres 2025 - market overview, tests, reviews

245/75 R15 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 - 75 is height of the tyre, which is calculated as 75% of the tyre width (245mm), which means the sidewall height has 183.75 mm. The wheel diameter is R15, which means it fits to a 15 inch/381mm diameter wheel. The total circumference of the tyre is 2351.48 mm, which is very similar to 315/30 R22(2349.28 mm), 245/70 R16(2354.31 mm), 265/50 R19(2348.65 mm), 245/65 R17(2357.14 mm), 265/45 R20(2345.2 mm), 245/60 R18(2359.96 mm), 265/40 R21(2341.74 mm). There are multiple speed indexes available for summer tyres in 245/75 R15: S(180km/h). The same goes for weight indexes: 109, 113.