Valtteri Bottas signed off the 2015 pre-season in style by going fastest for Williams on the final day of testing at Barcelona on Sunday.
The Finn hit the front early and was never deposed, as a qualifying simulation on Pirelli's supersoft tyre yielded a 1m 23.063s - which left him almost half a second clear of the chasing pack...»
13, 14, 15 March 2015
|02||Felipe Massa||+2.5 secs|
|03||Valtteri Bottas||+28.8 secs|