215/40 R18 - Best tyres 2025 - market overview, tests, reviews
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215/40 R18 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 (215mm), which means the sidewall height has 86 mm. The wheel diameter is R18, which means it fits to a 18 inch/457.2mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 255/65 R17(2397.98 mm), 195/50 R16(1889.35 mm), 265/35 R18(2019.1 mm), 195/65 R15(1993.34 mm), 265/40 R21(2341.74 mm), 200/60 R17(2110.52 mm), 265/65 R17(2438.82 mm). You can find 215/40 R18 on 9 car models - mainly Alfa Romeo, Hyundai, Alpine, Audi, BMW.
