Sebastian managed to put in a useful 72 laps of the Circuit de Catalunya in the afternoon.
Daniil Kvyat completed an aero test, involving straight line constant speed running, so plenty of “in” and “out” laps.
Susie Wolff performed some aero test work and control systems testing and team completed planned testing programme on schedule this morning.
Overall the team was very pleased with the outcome of the day.
Sahara Force India completed its Barcelona test today with local boy Daniel Juncadella completing 91 laps in the VJM07.
Maldonado was fastest in Barcelona Wednesday, ahead of Rosberg, who spent part of the day testing the controversial 'megaphone' exhaust.
Marussia's Max Chilton topped the charts in the opening day of testing in Spain.
It was another duel between the Mercedes teammates in Spain and for the fourth race in succession, Lewis Hamilton emerged victorious.
Post-qualifying press conference transcript with Lewis Hamilton, Nico Rosberg, and Daniel Ricciardo.
Mercedes led the way in every practice session this weekend in Barcelona.
A much lighter Sauber C33 at the Spanish GP, but only Gutierrez will actually be the mandatory minimum weight.
Williams Martini Racing previews the Spanish Grand Prix with quotes from Massa, Bottas, and Smedley.
McLaren's cars might look a little bit different at this weekend's Spanish Grand Prix.
Overtaking has historically been a difficult task at Barcelona and this remains true even with the inclusion of two DRS zones.
Update: The person who attempted to blackmail Toto Wolff has been revealed as the former HRT boss in Formula One.