185/70 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 - 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 mm, which is very similar to 275/55 R19(2466.46 mm), 215/65 R15(2075.02 mm), 285/35 R18(2063.08 mm), 215/85 R16(2425 mm), 285/45 R19(2321.95 mm), 225/45 R19(2152.31 mm), 295/30 R19(2072.19 mm). You can find 185/70 R14 on 19 car models - mainly Mitsubishi, Fiat, Honda, Renault, Rover.