255/45 R19 - Best tyres 2026 - market overview, tests, reviews

255/45 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 - 45 is height of the tyre, which is calculated as 45% of the tyre width (255mm), which means the sidewall height has 114.75 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 175/65 R15(1911.66 mm), 255/35 R18(1997.11 mm), 185/50 R16(1857.94 mm), 255/45 R17(2077.54 mm), 185/65 R15(1952.5 mm), 255/60 R17(2317.87 mm), 195/45 R15(1748.3 mm). You can find 255/45 R19 on 5 car models - mainly Mercedes-Benz, Audi, Porsche, Seat.