215/45 R20 - Best tyres 2026 - market overview, tests, reviews

215/45 R20 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 - 45 is height of the tyre, which is calculated as 45% of the tyre width (215mm), which means the sidewall height has 96.75 mm. The wheel diameter is R20, which means it fits to a 20 inch/508mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 225/50 R16(1983.6 mm), 295/30 R20(2151.99 mm), 225/60 R16(2124.97 mm), 305/25 R20(2075.02 mm), 235/30 R20(2038.89 mm), 235/45 R19(2180.58 mm), 235/55 R20(2408.03 mm).