420/70 R24 - Best winter tyres 2025 - market overview, tests, reviews

420/70 R24 doesn't belong to the most popular dimensions for winter 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 - 70 is height of the tyre, which is calculated as 70% of the tyre width (420mm), which means the sidewall height has 294 mm. The wheel diameter is R24, which means it fits to a 24 inch/609.6mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 255/40 R21(2316.61 mm), 185/65 R14(1872.7 mm), 255/55 R19(2397.35 mm), 195/40 R17(1846.63 mm), 255/70 R18(2557.88 mm), 195/60 R14(1852.28 mm), 265/35 R21(2258.49 mm).