*Tests carried out by Bridgestone in March 2020 at Arctic Falls Pitea proving ground (indoor) in Sweden, with VW Golf, on tyre size 225/45 R17. Winterhawk 4 compared to the performance of predecessor Winterhawk 3. Snow acceleration/traction (10 km/h to 35 km/h) in seconds Firestone Winterhawk 4 (2.72), Firestone Winterhawk 3 (2.92).