Carlos Sainz was fastest for Toro Rosso on an interrupted final morning of running the second pre-season test in Barcelona.
Sainz topped the timesheets early in the morning with a lap of 1:25.684 on the soft tyre, before bolting on a set of Pirelli’s super-soft rubber and lowering the benchmark by eighth hundredths of a second to a 1:25.604.
The Spaniard was top when the session was brought to a premature end following an accident for Fernando Alonso at Turn 4 in the McLaren.
The double-world champion was fifth fastest before his unexplained late off.
Sebastian Vettel completed 59 laps of the Circuit de Catalunya before the early stoppage, on route to second fastest for Ferrari.
Nico Hulkenberg was third in the year-old Force India, on his first morning of testing this week, ahead of Nico Rosberg, who prompted an early red flag with a spin at Turn 5, the same spot Vettel went off on Saturday.
Romain Grosjean got his first taste of the new Lotus at the Circuit de Catalunya on Saturday morning, and ended the shortened session sixth with 40 laps on the board.
Daniil Kvyat managed 38 laps in the morning at the wheel of the dazzle camouflage-liveried RB11, while Valtteri Bottas was eighth for Williams.
Felipe Nasr was the last classified runner after a lengthy spell in the garage following an early stoppage in the pitlane.
The Brazilian completed just three laps and failed to set a time in the morning.
This article first appeared on Richland F1 – Image courtesy of Red Bull Content Pool