Michelin Primacy 4 is a summer tyre made in total of 239 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/50 R17 is 60mm wider than the narrowest dimension (165) and 30mm narrower than the widest one (255). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (225mm), which results in 112.5mm sidewall height. In 225/50 R17, there are 3 possible speed indexes for Michelin Primacy 4 - "W","V","Y", which are good for speeds up to 270, 240, 300 km/h. In 225/50 R17, Primacy 4 usually competes against PremiumContact 6, which is a tyre from Continental with a rating of 83%, compared to 82% of the Michelin in question. Latest test in 225/50 R17 was held by Teknikens in 2020, where Primacy 4 received rating "" and finished on the 1. place. It was tested on a Volvo V90.
ADAC Summer tyre test 2021 225/50 R17 satisfactory Ranked #5 of 17Securing the 5th position out of 17 contenders, the Michelin Primacy 4 was distinguished particularly for its exceptional performance on dry surfaces and remarkable durability, leading the pack in these areas. When it came to dry braking, safety, and mileage, this tire showcased superior capabilities, establishing itself as the top choice. Testers praised its shortest stopping distance on a dry road at just 35.2 meters, precise steering, highest grip levels, and the early warning it gave before losing traction, ensuring no surprises even when navigating through rapid direction changes. However, its performance slightly dipped in wet conditions, which contributed to a final rating of 'Satisfactory'. Despite delivering satisfactory stopping distances on wet roads and decent resistance to hydroplaning in corners, it couldn't match its dry conditions prowess entirely. Additionally, its fuel efficiency and noise levels were considered average, but it was significantly recognized for its low wear rate, topping the list in this regard.
