255/40 R19 - Best tyres 2026 - market overview, tests, reviews

255/40 R19 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 (255mm), which means the sidewall height has 102 mm. The wheel diameter is R19, which means it fits to a 19 inch/482.6mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 170/60 R17(1997.42 mm), 245/60 R18(2359.96 mm), 175/70 R13(1807.04 mm), 255/35 R19(2076.91 mm), 185/55 R14(1756.46 mm), 255/45 R19(2237.13 mm), 185/70 R14(1930.82 mm). You can find 255/40 R19 on 18 car models - mainly Audi, BMW, Jaguar, Mercedes-Benz, Volkswagen.