| Country: | United Kingdom |
| Grand Prix: | Silverstone |
| Round No: | 5 |
| Season No: | 11 |
| Year: | 2015 |
| Location: | Silverstone Circuit Silverstone, United Kingdom |
| Course: | Permanent racing facility |
| Course Mi: | 3.660 |
| Course Km: | 5.891 |
| Date R1: | 4 July |
| Laps R1: | 29 |
| Pole Driver Country: | RUS |
| Pole Driver: | Sergey Sirotkin |
| Pole Team: | Rapax |
| Pole Time: | 1:39.949 |
| First Driver Country R1: | RUS |
| First Driver R1: | Sergey Sirotkin |
| First Team R1: | Rapax |
| Second Driver Country R1: | USA |
| Second Driver R1: | Alexander Rossi |
| Second Team R1: | Racing Engineering |
| Third Driver Country R1: | BEL |
| Third Driver R1: | Stoffel Vandoorne |
| Third Team R1: | ART Grand Prix |
| Fast Driver Country R1: | RUS |
| Fast Driver R1: | Sergey Sirotkin |
| Fast Team R1: | Rapax |
| Fast Time R1: | 1:42.734 |
| Fast Lap R1: | 28 |
| Date R2: | 5 July |
| Laps R2: | 21 |
| First Driver Country R2: | INA |
| First Driver R2: | Rio Haryanto |
| First Team R2: | Campos Racing |
| Second Driver Country R2: | ITA |
| Second Driver R2: | Raffaele Marciello |
| Second Team R2: | Trident |
| Third Driver Country R2: | FRA |
| Third Driver R2: | Pierre Gasly |
| Third Team R2: | DAMS |
| Fast Driver Country R2: | INA |
| Fast Driver R2: | Rio Haryanto |
| Fast Team R2: | Campos Racing |
| Fast Time R2: | 1:42.636 |
| Fast Lap R2: | 2 |
The 2015 Silverstone GP2 Series round was a GP2 Series motor race held on 4 and 5 July 2015 at Silverstone Circuit in Silverstone, Britain. It was the fifth round of the 2015 GP2 Series. The race was used to support the 2015 British Grand Prix.
Sergey Sirotkin achieved his maiden pole with a time of 1:39.949, followed by Stoffel Vandoorne and Richie Stanaway.
| Driver | Team | Time | Gap | |||
|---|---|---|---|---|---|---|
| 1 | 18 |  Sergey Sirotkin | Rapax | 1:39.949 | 1 | |
| 2 | 5 |  Stoffel Vandoorne | ART Grand Prix | 1:40.134 | + 0.185 s | 2 |
| 3 | 23 |  Richie Stanaway | Status Grand Prix | 1:40.378 | + 0.429 s | 3 |
| 4 | 8 |  Alexander Rossi | Racing Engineering | 1:40.419 | + 0.470 s | 4 |
| 5 | 14 |  Arthur Pic | Campos Racing | 1:40.434 | + 0.485 s | 5 |
| 6 | 1 | Pierre Gasly | DAMS | 1:40.498 | + 0.549 s | 6 |
| 7 | 6 |  Nobuharu Matsushita | ART Grand Prix | 1:40.520 | + 0.571 s | 7 |
| 8 | 11 |  Raffaele Marciello | Trident | 1:40.533 | + 0.584 s | 8 |
| 9 | 16 |  Oliver Rowland | MP Motorsport | 1:40.537 | + 0.588 s | 9 |
| 10 | 3 |  Julián Leal | Carlin | 1:40.547 | + 0.598 s | 10 |
| 11 | 24 | Nick Yelloly | Hilmer Motorsport | 1:40.697 | + 0.748 s | 11 |
| 12 | 2 | Alex Lynn | DAMS | 1:40.708 | + 0.759 s | 12 |
| 13 | 7 | Jordan King | Racing Engineering | 1:40.765 | + 0.816 s | 13 |
| 14 | 27 |  Sergio Canamasas | Venezuela Team Lazarus | 1:40.789 | + 0.840 s | 14 |
| 15 | 15 | Rio Haryanto | Campos Racing | 1:40.793 | + 0.844 s | 15 |
| 16 | 20 |  André Negrão | Arden International | 1:41.039 | + 1.090 s | 16 |
| 17 | 26 | Nathanaël Berthon | Venezuela Team Lazarus | 1:41.046 | + 1.097 s | 17 |
| 18 | 4 |  Johnny Cecotto Jr. | Carlin | 1:41.064 | + 1.115 s | 18 |
| 19 | 19 |  Robert Vișoiu | Rapax | 1:41.118 | + 1.169 s | 22 |
| 20 | 21 | Norman Nato | Arden International | 1:41.252 | + 1.303 s | 19 |
| 21 | 9 | Mitch Evans | Russian Time | 1:41.275 | + 1.326 s | 20 |
| 22 | 17 | Daniël de Jong | MP Motorsport | 1:41.542 | + 1.593 s | 21 |
| 23 | 12 |  René Binder | Trident | 1:41.762 | + 1.813 s | 23 |
| 24 | 22 | Marlon Stöckinger | Status Grand Prix | 1:41.802 | + 1.853 s | 24 |
| 25 | 10 | Artem Markelov | Russian Time | 1:41.805 | + 1.856 s | 25 |
| - | 25 | Jon Lancaster | Hilmer Motorsport | No Time | - | 26 |
| Source:[1] | ||||||
| Driver | Team | Laps | Time/Retired | Grid | Points | ||
|---|---|---|---|---|---|---|---|
| 1 | 18 | Sergey Sirotkin | Rapax | 29 | 53min 13.597sec | 1 | 31 (25+4+2) |
| 2 | 8 | Alexander Rossi | Racing Engineering | 29 | + 5.989 s | 4 | 18 |
| 3 | 5 | Stoffel Vandoorne | ART Grand Prix | 29 | + 13.566 s | 2 | 15 |
| 4 | 1 | Pierre Gasly | DAMS | 29 | + 16.729 s | 6 | 12 |
| 5 | 2 | Alex Lynn | DAMS | 29 | + 20.546 s | 12 | 10 |
| 6 | 11 | Raffaele Marciello | Trident | 29 | + 23.550 s | 8 | 8 |
| 7 | 24 | Nick Yelloly | Hilmer Motorsport | 29 | + 23.879 s | 11 | 6 |
| 8 | 15 | Rio Haryanto | Campos Racing | 29 | + 25.437 s | 15 | 4 |
| 9 | 3 | Julián Leal | Carlin | 29 | + 28.753 s | 10 | 2 |
| 10 | 16 | Oliver Rowland | MP Motorsport | 29 | + 25.161 s | 9 | 1 |
| 11 | 17 | Daniël de Jong | MP Motorsport | 29 | + 30.373 s | 21 | |
| 12 | 19 | Robert Vișoiu | Rapax | 29 | + 36.922 s | 22 | |
| 13 | 4 | Johnny Cecotto Jr. | Carlin | 29 | + 37.436 s | 18 | |
| 14 | 14 | Arthur Pic | Campos Racing | 29 | + 22.922 s | 5 | |
| 15 | 27 | Sergio Canamasas | Venezuela Team Lazarus | 29 | + 44.277 s | 14 | |
| 16 | 25 | Jon Lancaster | Hilmer Motorsport | 29 | + 49.850 s | 26 | |
| 17 | 12 | René Binder | Trident | 29 | + 53.663 s | 23 | |
| 18 | 21 | Norman Nato | Arden International | 29 | + 57.444 s | 19 | |
| 19 | 22 | Marlon Stöckinger | Status Grand Prix | 29 | + 1:00.867 s | 24 | |
| 20 | 20 | André Negrão | Arden International | 29 | + 1:04.399 s | 16 | |
| 21 | 10 | Artem Markelov | Russian Time | 29 | + 1:26.692 s | 25 | |
| 22 | 7 | Jordan King | Racing Engineering | 28 | Collision | 13 | |
| Ret | 23 | Richie Stanaway | Status Grand Prix | 22 | Suspension | 3 | |
| Ret | 9 | Mitch Evans | Russian Time | 9 | Retired | 20 | |
| Ret | 6 | Nobuharu Matsushita | ART Grand Prix | 6 | Retired | 7 | |
| Ret | 26 | Nathanaël Berthon | Venezuela Team Lazarus | 0 | Accident | 17 | |
| Fastest lap: Sergey Sirotkin (Rapax) — 1:42.734 (on lap 28) | |||||||
| Source: | |||||||