245/40 R21 - Best tyres 2024 - market overview, tests, reviews
Table of contents:
245/40 R21 tyre ranking based on test results
Tests usually don't cover the whole market - here is our selection what not to miss when shopping for tyres in this size.
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245/40 R21 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 (245mm), which means the sidewall height has 98 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 mm, which is very similar to 175/65 R13(1752.07 mm), 255/30 R20(2076.59 mm), 180/60 R17(2035.12 mm), 255/40 R21(2316.61 mm), 185/60 R16(1974.18 mm), 255/55 R19(2397.35 mm), 190/55 R17(2013.13 mm).