145/65 R15 doesn't belong to the most popular dimensions for summer 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 - 65 is height of the tyre, which is calculated as 65% of the tyre width (145mm), which means the sidewall height has 94.25 mm. The wheel diameter is R15, which means it fits to a 15 inch/381mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 235/75 R15
(2304.36 mm), 160/60 R15
(1800.13 mm), 245/40 R18
(2052.09 mm), 165/65 R15
(1870.82 mm), 245/50 R18
(2206.03 mm), 175/60 R15
(1856.68 mm), 245/75 R16
(2431.28 mm). There are multiple speed indexes available for summer tyres in 145/65 R15: H
(210km/h), T
(190km/h). The same goes for weight indexes: 72.
