Firestone Roadhawk is a summer tyre made in total of 154 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/45 R17 is 60mm wider than the narrowest dimension (165) and 70mm narrower than the widest one (295). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (225mm), which results in 101.25mm sidewall height. In 225/45 R17, there are 2 possible speed indexes for Firestone Roadhawk - "Y","W", which are good for speeds up to 300, 270 km/h. In 225/45 R17, Roadhawk usually competes against RainSport 5, which is a tyre from Uniroyal with a rating of 62%, compared to 57% of the Firestone in question. Latest test in 225/45 R17 was held by Autobild in 2019, where Roadhawk received rating "Satisfactory" and finished on the 18. place. It was tested on a BMW 1.
ADAC Summer tyre test 2021 225/50 R17 poor Ranked #17 of 17Finishing 17th out of 17 competitors, the Firestone Roadhawk found itself at the bottom of the rankings with a final evaluation of 'Poor'. This tyre struggled significantly on dry roads, with its performance being barely satisfactory. In warm conditions, its grip was greatly reduced, leading to challenges in maintaining control. Even more concerning was its behavior on wet surfaces, where it demonstrated below-average grip levels. Large steering angles were required to navigate the handling course, and grip often completely failed when braking or accelerating in turns. This substantial flaw in handling not only affected its overall performance but also its safety on the road. While its noise level during operation was average, and it performed relatively well in terms of fuel consumption, these positives were overshadowed by its high wear rate and poor handling, particularly on wet surfaces.
