185/80 R14 doesn't belong to the most popular dimensions for summer tyres - there are 9 tyre models available, which can be compared to 165/80 R13, 155/70 R19, 155/80 R13. Let's break down the sizing - 80 is height of the tyre, which is calculated as 80% of the tyre width (185mm), which means the sidewall height has 148 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 2047.06 mm, which is very similar to 200/55 R17(2047.69 mm), 225/60 R15(2045.18 mm), 245/45 R17(2049.26 mm), 205/60 R16(2049.58 mm), 215/45 R18(2044.23 mm), 285/25 R20(2043.61 mm), 170/80 R15(2051.46 mm). There are multiple speed indexes available for summer tyres in 185/80 R14: H(210km/h), Q(160km/h), R(170km/h), S(180km/h), T(190km/h). The same goes for weight indexes: 91, 102.