245/30 R20 - Best tyres 2025 - market overview, tests, reviews

245/30 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 - 30 is height of the tyre, which is calculated as 30% of the tyre width (245mm), which means the sidewall height has 73.5 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 195/65 R14(1913.54 mm), 265/40 R20(2261.95 mm), 200/55 R17(2047.69 mm), 265/60 R18(2435.36 mm), 205/50 R17(2000.57 mm), 275/30 R20(2114.29 mm), 205/65 R16(2113.98 mm).