425/65 R22.5 - Best summer tyres 2025 - market overview, tests, reviews

425/65 R22.5 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 - 65 is height of the tyre, which is calculated as 65% of the tyre width (425mm), which means the sidewall height has 276.25 mm. The wheel diameter is R23, which means it fits to a 23 inch/584.2mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 190/50 R17(1953.44 mm), 255/70 R15(2318.5 mm), 195/55 R16(1950.61 mm), 265/35 R19(2098.9 mm), 195/70 R14(1974.81 mm), 265/45 R18(2185.61 mm), 205/40 R18(1951.56 mm). There are multiple speed indexes available for summer tyres in 425/65 R22.5: K(km/h). The same goes for weight indexes: 165.