Nokian Powerproof is a summer tyre made in total of 53 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/45 R17 is 10mm wider than the narrowest dimension (205) and 60mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (215mm), which results in 96.75mm sidewall height. In 215/45 R17, there is only one possible speed index for Nokian Powerproof - "Y", which is good for speeds up to 300 km/h. In 215/45 R17, Powerproof usually competes against Roadhawk, which is a tyre from Firestone with a rating of 59%, compared to 51% of the Nokian in question.
Autobild Summer tyre test 2022 215/55 R17 conditionally recommended Ranked #21 of 21The Nokian Powerproof secured the 6th position out of 21 competitors in its evaluation, showcasing a commendable performance in several key areas. Testers praised its excellent aquaplaning resistance, convincing dynamic handling in wet conditions, and notably short braking distances. However, the tyre was critiqued for its delayed steering response and reduced stability on dry roads, alongside its limited tread life and high price point. Among the evaluated aspects, it stood out particularly in dry braking, underlining its strong performance in this discipline. Despite some drawbacks, the Nokian Powerproof demonstrated a solid overall capability.