Michelin e.Primacy is a summer tyre made in total of 107 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/50 R18 is 50mm wider than the narrowest dimension (165) and 10mm narrower than the widest one (225). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height. In 215/50 R18, there is only one possible speed index for Michelin e.Primacy - "W", which is good for speeds up to 270 km/h. In 215/50 R18, e.Primacy usually competes against Primacy 4, which is a tyre from Michelin with a rating of %, compared to 71% of the Michelin in question.
Relevant tyre tests in same or similiar dimension (215/50 R18)
Automotorsport Summer tyre test 2025 215/55 R17 very good Ranked #4 of 6Finishing 4th out of 6 competitors, the Michelin E.Primacy received a final rating of 'Very good.' It excelled in several disciplines, displaying the best comfort, dry handling, and rolling resistance, alongside superior performance in dry lane changing and steering response. The testers appreciated its exceptional comfort and quietness, as well as its top-tier fuel efficiency. However, there were noted compromises, such as longer braking distances on both wet and dry asphalt, and a lack of dynamics and grip during wet handling.