Continental AllSeasonContact is a allround tyre made in total of 87 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/55 R18 is 80mm wider than the narrowest dimension (145) and 50mm narrower than the widest one (275). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height. In 225/55 R18, there is only one possible speed index for Continental AllSeasonContact - "V", which is good for speeds up to 240 km/h.
Relevant tyre tests in same or similiar dimension (225/55 R18)
Autobild Allyear tyre test 2024 225/40 R18 satisfactory Ranked #7 of 11The Continental AllSeasonContact finished 7th out of 11 competitors with a final rating of 'Satisfactory.' The testers highlighted its good winter qualities, stable wet handling, short wet braking distances, and low rolling resistance. However, it performed only moderately in terms of dry performance and aquaplaning resistance. Notably, it was the best in the wet circle cornering discipline.