225/45 R18 - Best tyres 2026 - market overview, tests, reviews
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225/45 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 - 45 is height of the tyre, which is calculated as 45% of the tyre width (225mm), which means the sidewall height has 101.25 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 195/55 R16(1950.61 mm), 265/35 R20(2178.69 mm), 195/70 R14(1974.81 mm), 265/45 R20(2345.2 mm), 205/40 R18(1951.56 mm), 265/70 R15(2362.48 mm), 205/55 R17(2064.97 mm). You can find 225/45 R18 on 35 car models - mainly Mercedes-Benz, BMW, Kia, Subaru, Mazda.
