275/35 R19 doesn't belong to the most popular dimensions for allround tyres - there are 0 tyre models available, which can be compared to 155/60 R15, 170/60 R17, 160/60 R14. 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 2120.89 mm, which is very similar to 225/60 R16(2124.97 mm), 275/30 R20(2114.29 mm), 275/40 R18(2127.49 mm), 205/65 R16(2113.98 mm), 245/45 R18(2129.06 mm), 235/35 R20(2112.72 mm), 215/50 R18(2111.78 mm). There are multiple speed indexes available for allround tyres in 275/35 R19: Y(300km/h). The same goes for weight indexes: 100. You can find 275/35 R19 on 2 car models - mainly Koenigsegg, Mercedes-Benz.