Firestone Winterhawk 4 is a winter tyre made in total of 100 sizes, ranging from R14 to R14 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 185/65 R15 is 30mm wider than the narrowest dimension (155) and 90mm narrower than the widest one (275). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (185mm), which results in 120.25mm sidewall height. In 185/65 R15, there is only one possible speed index for Firestone Winterhawk 4 - "T", which is good for speeds up to 190 km/h. In 185/65 R15, Winterhawk 4 usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 87%, compared to 65% of the Firestone in question. Latest test in 185/65 R15 was held by ADAC in 2022, where Winterhawk 4 received rating "Satisfactory" and finished on the 9. place. It was tested on a VW Polo.
Relevant tyre tests in same or similiar dimension (185/65 R15)
Name | Wet | Dry | Snow | Ice | Rolling resistance | Noise | Wear |
---|---|---|---|---|---|---|---|
Best values in test | 1,7 | 1,9 | 1,8 | 1,9 | 1,7 | 2,5 | 1,5 |
Firestone Winterhawk 4 | 2,0 | 3,2 | 2,2 | 2,1 | 1,7 | 2,8 | 2,5 |
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185/65 R15 is found on 63 vehicles: