Susie Wolff makes full Formula 1 debut with Sauber The 30-year-old is the first female to take part in a meaningful run in an F1 car in more than 20 years . Wolff took a big step forward as she spent a full day testing a Williams F1 car at Silverstone . Wolff was three seconds off the pace of Sebastian Vettel 's leading lap time for Red Bull . Drivers happy new Pirelli tires tested at Silverstone are safe .
Susie Wolff makes full Formula 1 debut with Sauber The 30-year-old is the first female to take part in a meaningful run in an F1 car in more than 20 years . Wolff was three seconds off the pace of Sebastian Vettel 's leading lap time for Red Bull . Drivers happy new Pirelli tires tested at Silverstone are safe .