305/30 R19 - Best winter tyres 2025 - market overview, tests, reviews

305/30 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 (305mm), which means the sidewall height has 91.5 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 2091.04 mm, which is very similar to 225/35 R20(2090.73 mm), 235/50 R17(2094.81 mm), 215/60 R16(2087.27 mm), 265/30 R20(2095.44 mm), 205/70 R15(2098.58 mm), 265/35 R19(2098.9 mm), 215/55 R17(2099.53 mm).