265/35 R20 doesn't belong to the most popular dimensions for allround tyres - there are 0 tyre models available, which can be compared to 155/60 R15, 170/60 R17, 160/60 R14. Let's break down the sizing - 35 is height of the tyre, which is calculated as 35% of the tyre width (265mm), which means the sidewall height has 92.75 mm. The wheel diameter is R20, which means it fits to a 20 inch/508mm diameter wheel. The total circumference of the tyre is 2178.69 mm, which is very similar to 215/55 R18(2179.32 mm), 195/80 R15(2177.12 mm), 235/45 R19(2180.58 mm), 265/30 R21(2175.24 mm), 265/40 R19(2182.15 mm), 235/50 R18(2174.61 mm), 265/45 R18(2185.61 mm). You can find 265/35 R20 on 5 car models - mainly Audi, Jaguar, Koenigsegg, Porsche.