245/50 R18 - Best tyres 2025 - market overview, tests, reviews

245/50 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 (245mm), which means the sidewall height has 122.5 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 215/45 R17(1964.44 mm), 275/55 R19(2466.46 mm), 215/60 R17(2167.07 mm), 285/35 R18(2063.08 mm), 215/80 R15(2277.65 mm), 285/45 R19(2321.95 mm), 225/45 R18(2072.51 mm). You can find 245/50 R18 on 10 car models - mainly BMW, Infiniti, Cadillac, Jaguar, Mercedes-Benz.