The 2011 Britcar 24 Hour Race Silverstone was the 7th running of the Silverstone 24 Hours endurance sports car race held on October 1, 2011 at the Silverstone Circuit.
27 Topcats Racing Marcos Mantis GT3 driven by David Upton, Neil Huggins, Emily Fletcher, and Jamie Orton.
49 Nicholas Mee Racing Aston Martin V8 Vantage GT4 driven by Karsten Le Blanc, Christiaen van Lanschot, Dan de Zille, and Robert Nimkoff.
Finally, Class 4 was won by the No.
89 Mark Griffiths BMW M3 E46 driven by Mark Griffiths, William Green, David Forsbrey, and Bill Kirkpatrick.