The 2015 Britcar 24 Hour Race Silverstone was the 10th running of the Silverstone 24 Hours endurance sports car race held on April 25-26, 2015 at the Silverstone Circuit. Victory overall and in Class 3 went to the No. 35 Beechdean AMR Aston Martin V8 Vantage driven by Andrew Howard, Jonathan Adam, Harry Whale, Jamie Chadwick, and Ross Gunn. Victory in Class 4 went to the No. 50 St. Bas Koeten Racing SEAT León Cup Racer driven by Karel Gijs Bessem, Harry Hilders, and Roger Grouwels. Class 1 was won by the No. 10 Radical Sportcars Radical RXC V8 driven by Laurence Wiltshire, Shahin Nouri, Martyn Smith, and Richard Roberts. Class 5 was won by the No. 62 Red Camel-jordan.nl SEAT Leon driven by Ivo Breukers, Rik Breukers, and Sjaco Griffioen. Finally, Class 2 went to the No. 91 MARC Cars Austra