275/35 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 - 35 is height of the tyre, which is calculated as 35% of the tyre width (275mm), which means the sidewall height has 96.25 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 195/55 R15(1870.82 mm), 265/35 R18(2019.1 mm), 195/65 R16(2073.14 mm), 265/40 R21(2341.74 mm), 205/40 R17(1871.76 mm), 265/65 R17(2438.82 mm), 205/55 R16(1985.17 mm). You can find 275/35 R19 on 2 car models - mainly Koenigsegg, Mercedes-Benz.