215/80 R15 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 (215mm), which means the sidewall height has 172 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 165/60 R14
(1739.19 mm), 245/45 R18
(2129.06 mm), 170/60 R17
(1997.42 mm), 245/65 R17
(2357.14 mm), 175/70 R13
(1807.04 mm), 255/35 R20
(2156.7 mm), 185/55 R14
(1756.46 mm).
