235/50 R18 - Best tyres 2025 - market overview, tests, reviews

235/50 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 - 50 is height of the tyre, which is calculated as 50% of the tyre width (235mm), which means the sidewall height has 117.5 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 315/40 R21(2467.41 mm), 235/40 R18(2026.96 mm), 235/55 R17(2168.64 mm), 235/65 R17(2316.3 mm), 155/70 R13(1719.08 mm), 245/35 R20(2134.71 mm), 165/60 R14(1739.19 mm). You can find 235/50 R18 on 24 car models - mainly Ford, Cadillac, Opel, Infiniti, Mercedes-Benz.