Firestone Winterhawk 4 225/50 R17

Firestone Winterhawk 4 is a winter tyre made in total of 102 sizes, ranging from R14 to R14 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/50 R17 is 70mm wider than the narrowest dimension (155) and 50mm narrower than the widest one (275). 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, Winterhawk 4 usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 82%, compared to 56% of the Firestone in question. Latest test in 225/50 R17 was held by ADAC in 2021, where Winterhawk 4 received rating "Satisfactory" and finished on the 12. place. It was tested on a Audi A4.