255/30 R20 - Best tyres 2025 - market overview, tests, reviews
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255/30 R20 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 - 30 is height of the tyre, which is calculated as 30% of the tyre width (255mm), which means the sidewall height has 76.5 mm. The wheel diameter is R20, which means it fits to a 20 inch/508mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 245/40 R20(2211.68 mm), 165/70 R14(1842.86 mm), 245/50 R20(2365.62 mm), 175/65 R14(1831.86 mm), 255/35 R18(1997.11 mm), 180/65 R16(2011.88 mm), 255/45 R17(2077.54 mm). You can find 255/30 R20 on 1 car models - mainly Audi.
