Continental AllSeasonContact 2 is a allround tyre made in total of 247 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/50 R17 is 40mm wider than the narrowest dimension (165) and 80mm narrower than the widest one (285). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (205mm), which results in 102.5mm sidewall height. In 205/50 R17, there are 2 possible speed indexes for Continental AllSeasonContact 2 - "V","W", which are good for speeds up to 240, 270 km/h. In 205/50 R17, AllSeasonContact 2 usually competes against Turanza All Season 6, which is a tyre from Bridgestone with a rating of 91%, compared to 85% of the Continental in question.