The Turanza T005 was introduced in 2018, but still stands as a great tyre, offered in incredible 350 different sizes. It’s universal also in it’s properties - it’s a balanced mix of wet and dry performance with above-average rolling resistance.
185/55 R15 doesn't belong to the most popular dimensions for summer tyres - there are 48 tyre models available, which can be compared to 165/70 R14, 205/70 R15, 195/65 R15. Let's break down the sizing - 55 is height of the tyre, which is calculated as 55% of the tyre width (185mm), which means the sidewall height has 101.75 mm. The wheel diameter is R15, which means it fits to a 15 inch/381mm diameter wheel. The total circumference of the tyre is 1836.26 mm, which is very similar to 175/65 R14(1831.86 mm), 205/50 R15(1840.97 mm), 165/70 R14(1842.86 mm), 195/45 R16(1828.09 mm), 195/40 R17(1846.63 mm), 195/60 R14(1852.28 mm), 165/60 R15(1818.98 mm). There are multiple speed indexes available for summer tyres in 185/55 R15: H(210km/h), T(190km/h), V(240km/h). The same goes for weight indexes: 82, 86. You can find 185/55 R15 on 43 car models - mainly Fiat, Opel, Renault, Rover, Seat.