345/35 R18 - Best allround tyres 2025 - market overview, tests, reviews

345/35 R18 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 (345mm), which means the sidewall height has 120.75 mm. The wheel diameter is R18, which means it fits to a 18 inch/457.2mm diameter wheel. The total circumference of the tyre is 2195.03 mm, which is very similar to 225/65 R16(2195.66 mm), 195/75 R16(2195.66 mm), 275/30 R21(2194.09 mm), 155/70 R19(2197.86 mm), 275/35 R20(2200.69 mm), 245/55 R17(2203.2 mm), 225/70 R15(2186.55 mm).