2005 Silverstone GP2 Series round

The 2005 Silverstone GP2 Series round was a GP2 Series motor race held on 9 and 10 July 2005 at Silverstone Circuit, United Kingdom. It was the sixth round of the 2005 GP2 Series season. The race weekend supported the 2005 British Grand Prix.

Nico Rosberg, who was the polesitter for race one, took his first GP2 feature race win, his second consecutive victory after also winning the sprint race at Magny-Cours. The feature race podium was completed by championship leader Heikki Kovalainen, of Arden International, and Rosberg's ART Grand Prix teammate Alexandre Prémat.

Olivier Pla, who was on reverse grid pole after finishing eighth in the feature race, took his and DPR's first win of the season, ahead of iSport's Scott Speed and Kovalainen.

Qualifying

 * Notes
 * – Alexandre Prémat received a ten-place penalty for causing a collision with José María López in the Magny-Cours sprint race.
 * – Ernesto Viso received a ten-place penalty for causing a collision with Olivier Pla in the Magny-Cours sprint race.

Standings after the round

 * Drivers' Championship standings


 * Teams' Championship standings


 * Note: Only the top five positions are included for both sets of standings.