Jules Bianchi made the most of his Ferrari call up as he topped the times in the final day of the Silverstone test.
The Marussia driver, who was called up to replace Kimi Raikkonen following the Finn's heavy crash during the British Grand Prix, surged to the top of the time sheets in the final hour of running.
Bianchi completed 89 untroubled laps with his personal best effort of 1.35.262s being two tenths quicker than Toro Rosso's Daniil Kvyat. The Frenchman's time was just two hundredths shy of the leading time set by Williams driver Felipe Massa on Tuesday.
McLaren's Kevin Magnussen was third fastest having completed the most mileage of anyone on the day with 91 laps under his belt.
Sauber once again showed encouraging signs in fourth with reserve driver Giedo van der Garde at the wheel.
However, the Dutchman brought the session to early close following an incident which damaged the barriers.
British Grand Prix winner Lewis Hamilton endured a challenging day for Mercedes as he lost time with an off at Stowe. The Brit eventually finished the day in fifth a full 1.4s adrift of the pace setting Bianchi.
Williams‘ Valtteri Bottas was sixth just ahead of Marussia's Max Chilton and Force India's Daniel Juncadella.
Red Bull's Sebastian Vettel managed to clock up 76 laps but his best effort was more than four seconds off the pace in ninth. The German's RB10 underwent a power unit change which cost the team valuable time.
Charles Pic rounded out the top 10 with the early part of his day spent evaluating Pirelli's new 18-inch tyres
Formula 1 Silverstone Test Day 2 Times
Position | Driver | Team | Time | Gap | Laps |
1 | Jules Bianchi | Ferrari | 1:35.262s | 89 | |
2 | Daniil Kvyat | Toro Rosso-Renault | 1:35.544s | +0.282s | 56 |
3 | Kevin Magnussen | McLaren-Mercedes | 1:35.593s | +0.331s | 91 |
4 | Giedo van der Garde | Sauber-Ferrari | 1:36.327s | +1.065s | 84 |
5 | Lewis Hamilton | Mercedes | 1:36.680s | +1.418s | 47 |
6 | Valtteri Bottas | Williams-Mercedes | 1:37.193s | +1.931s | 40 |
7 | Max Chilton | Marussia-Ferrari | 1:37.359s | +2.097s | 77 |
8 | Daniel Juncadella | Force India-Mercedes | 1:37.449s | +2.187s | 52 |
9 | Sebastian Vettel | Red Bull-Renault | 1:39.410s | +4.148s | 76 |
10 | Charles Pic | Lotus-Renault | 1:41.906s | +6.644s | 38 |
11 | Julian Leal | Caterham-Renault | 1:42.635s | +7.373s | 51 |