175/45 R14 - Best tyres 2025 - market overview, tests, reviews

175/45 R14 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 (175mm), which means the sidewall height has 78.75 mm. The wheel diameter is R14, which means it fits to a 14 inch/355.6mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 175/75 R16(2101.41 mm), 255/40 R17(1997.42 mm), 185/55 R16(1916.06 mm), 255/45 R20(2316.92 mm), 185/75 R16(2148.54 mm), 255/65 R16(2318.18 mm), 195/50 R16(1889.35 mm).