265/35 R21 - Best allround tyres 2025 - market overview, tests, reviews

265/35 R21 doesn't belong to the most popular dimensions for allround tyres - there are 0 tyre models available, which can be compared to 155/60 R15, 170/60 R17, 160/60 R14. Let's break down the sizing - 35 is height of the tyre, which is calculated as 35% of the tyre width (265mm), which means the sidewall height has 92.75 mm. The wheel diameter is R21, which means it fits to a 21 inch/533.4mm diameter wheel. The total circumference of the tyre is 2258.49 mm, which is very similar to 235/45 R20(2260.38 mm), 265/30 R22(2255.04 mm), 265/40 R20(2261.95 mm), 235/50 R19(2254.41 mm), 225/70 R16(2266.34 mm), 235/55 R18(2248.44 mm), 195/55 R20(2269.8 mm). There are multiple speed indexes available for allround tyres in 265/35 R21: Y(300km/h). The same goes for weight indexes: 101.