Ferrari driver Kimi Raikkonen led the way as Formula 1 in-season testing concluded at Silverstone on Wednesday.
Raikkonen clocked a time of 1:30.665 on the Soft tyres to finish over half a second clear of Mercedes youngster Esteban Ocon, who racked up the most mileage in the W07 Hybrid.
Red Bull young driver Pierre Gasly was third in the RB12, with Force India development driver Nikita Mazepin receiving another day in the VJM09.
He placed fourth, having recorded his best time on the Super Soft compound.
McLaren's Stoffel Vandoorne was fifth fastest, ahead of Williams' Valtteri Bottas and Haas youngster Santino Ferrucci.
Renault's Jolyon Palmer was eighth quickest, with Toro Rosso's Sergio Sette Camara ninth best in the STR11.
Jordan King completed the top 10 as Pascal Wehrlein conducted further tyre testing in Mercedes' W05 Hybrid and finished at the foot of the standings.