155/70 R19 doesn't belong to the most popular dimensions for allround 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 - 70 is height of the tyre, which is calculated as 70% of the tyre width (155mm), which means the sidewall height has 108.5 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 2197.86 mm, which is very similar to 225/65 R16
(2195.66 mm), 195/75 R16
(2195.66 mm), 275/35 R20
(2200.69 mm), 275/30 R21
(2194.09 mm), 245/55 R17
(2203.2 mm), 225/60 R17
(2204.77 mm), 245/50 R18
(2206.03 mm).
