Continental PremiumContact 6 is a summer tyre made in total of 261 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/35 R18 is 70mm wider than the narrowest dimension (185) and 70mm narrower than the widest one (325). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (255mm), which results in 89.25mm sidewall height. In 255/35 R18, there is only one possible speed index for Continental PremiumContact 6 - "Y", which is good for speeds up to 300 km/h.
Relevant tyre tests in same or similiar dimension (255/35 R18)
Automotorsport Summer tyre test 2023 255/45 R20 very good Ranked #2 of 10Securing the runner-up position among ten contenders, the Continental PremiumContact 6 excelled with a final rating of "Very good." This tire stood out for its remarkably short stopping distances on dry surfaces, offering a safe and broad limit range with ample reserves both in wet and dry conditions. Its quiet passing and interior noise further distinguished it, earning top marks in comfort, dry braking, dry lane changing, and exterior noise – showcasing its superior capabilities in these disciplines. Despite its strong performance, it fell slightly behind its predecessor, the Conti SC 7, in terms of responsive steering, showing a tendency towards understeer and a marginally lower grip level.