345/30 R19 - Best summer tyres 2025 - market overview, tests, reviews

345/30 R19 doesn't belong to the most popular dimensions for summer tyres - there are 2 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 (345mm), which means the sidewall height has 103.5 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 2166.44 mm, which is very similar to 215/60 R17(2167.07 mm), 295/35 R19(2164.87 mm), 235/55 R17(2168.64 mm), 235/60 R16(2162.67 mm), 305/30 R20(2170.84 mm), 235/50 R18(2174.61 mm), 265/30 R21(2175.24 mm). There are multiple speed indexes available for summer tyres in 345/30 R19: Y(300km/h). The same goes for weight indexes: 109.