225/70 R17 doesn't belong to the most popular dimensions for summer tyres - there are 3 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 (225mm), which means the sidewall height has 157.5 mm. The wheel diameter is R17, which means it fits to a 17 inch/431.8mm diameter wheel. The total circumference of the tyre is 2346.14 mm, which is very similar to 265/45 R20
(2345.2 mm), 265/50 R19
(2348.65 mm), 315/30 R22
(2349.28 mm), 265/40 R21
(2341.74 mm), 265/35 R22
(2338.29 mm), 245/70 R16
(2354.31 mm), 295/40 R20
(2337.34 mm). There are multiple speed indexes available for summer tyres in 225/70 R17: C
(km/h), Q
(160km/h), S
(180km/h), T
(190km/h). The same goes for weight indexes: 108, 110, 112, 115.
