155/80 R12 - Best tyres 2025 - market overview, tests, reviews

155/80 R12 doesn't belong to the most popular dimensions for 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 - 80 is height of the tyre, which is calculated as 80% of the tyre width (155mm), which means the sidewall height has 124 mm. The wheel diameter is R12, which means it fits to a 12 inch/304.8mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 245/40 R17(1972.29 mm), 165/65 R14(1791.02 mm), 245/45 R20(2288.65 mm), 175/60 R14(1776.88 mm), 245/70 R17(2434.11 mm), 175/80 R14(1996.8 mm), 255/40 R18(2077.22 mm).