Firestone Winterhawk 4 245/45 R19

Firestone Winterhawk 4 is a winter tyre made in total of 102 sizes, ranging from R14 to R14 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 245/45 R19 is 90mm wider than the narrowest dimension (155) and 30mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (245mm), which results in 110.25mm sidewall height. In 245/45 R19, Winterhawk 4 usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 87%, compared to 63% of the Firestone in question. Latest test in 245/45 R19 was held by AutoMotorSport in 2022, where Winterhawk 4 received rating "Good" and finished on the 5. place. It was tested on a Audi A6.