275/30 R19 doesn't belong to the most popular dimensions for winter 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 - 30 is height of the tyre, which is calculated as 30% of the tyre width (275mm), which means the sidewall height has 82.5 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 2034.5 mm, which is very similar to 205/65 R15
(2034.18 mm), 180/60 R17
(2035.12 mm), 235/35 R19
(2032.92 mm), 215/50 R17
(2031.98 mm), 235/30 R20
(2038.89 mm), 160/60 R18
(2039.52 mm), 275/35 R18
(2041.09 mm). There are multiple speed indexes available for winter tyres in 275/30 R19: W
(270km/h). The same goes for weight indexes: 96.
