205/55 R16 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 - 55 is height of the tyre, which is calculated as 55% of the tyre width (205mm), which means the sidewall height has 112.75 mm. The wheel diameter is R16, which means it fits to a 16 inch/406.4mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 225/50 R18(2143.19 mm), 295/35 R19(2164.87 mm), 225/60 R18(2284.57 mm), 305/30 R20(2170.84 mm), 235/35 R20(2112.72 mm), 235/50 R17(2094.81 mm), 235/60 R17(2242.47 mm). You can find 205/55 R16 on 114 car models - mainly Mercedes-Benz, Alfa Romeo, Volkswagen, Peugeot, Seat.