255/40 R22 - Best tyres 2025 - market overview, tests, reviews

255/40 R22 doesn't belong to the most popular dimensions for 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 - 40 is height of the tyre, which is calculated as 40% of the tyre width (255mm), which means the sidewall height has 102 mm. The wheel diameter is R22, which means it fits to a 22 inch/558.8mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 295/35 R20(2244.67 mm), 225/65 R16(2195.66 mm), 315/30 R22(2349.28 mm), 235/40 R17(1947.16 mm), 235/50 R18(2174.61 mm), 235/60 R18(2322.27 mm), 155/65 R14(1750.18 mm).