185/70 R14 doesn't belong to the most popular dimensions for allround tyres - there are 6 tyre models available, which can be compared to 155/60 R15, 170/60 R17, 160/60 R14. Let's break down the sizing - 70 is height of the tyre, which is calculated as 70% of the tyre width (185mm), which means the sidewall height has 129.5 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 1930.82 mm, which is very similar to 225/35 R18(1931.14 mm), 195/60 R15(1932.08 mm), 205/45 R17(1936.16 mm), 205/50 R16(1920.77 mm), 185/55 R16(1916.06 mm), 235/40 R17(1947.16 mm), 195/65 R14(1913.54 mm). There are multiple speed indexes available for allround tyres in 185/70 R14: T(190km/h). The same goes for weight indexes: 88. You can find 185/70 R14 on 19 car models - mainly Mitsubishi, Fiat, Honda, Renault, Rover.