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.^[1]

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.^[2][3] 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 Sportscars Radical RXC V8 driven by Laurence Wiltshire, Shahin Nouri, Martyn Smith, and Richard Roberts.^[4] 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 Australia MARC Focus GTC driven by Tom Onslow-Cole, Paul White, Ben Gersekowski, and Garry Jacobson.

Class winners in bold.

Pos	Class	No	Team	Drivers	Car	Laps
1	Class 3	35	Beechdean AMR	Andrew Howard Jonathan Adam Harry Whale Jamie Chadwick Ross Gunn	Aston Martin V8 Vantage GT4	529
2	Class 4	50	St. Bas Koeten Racing	Karel Gijs Bessem Harry Hilders Roger Grouwels	SEAT León Cup Racer	524
3	Class 3	37	Cor Euser Racing	Hal Prewitt Jim Briody Alistair MacKinnon Dirk Schulz Sam Allpass	Lotus Evora Cup GT4	519
4	Class 3	41	Speedworks Motorsport	Tony Hughes Ollie Hancock Devon Modell John Gilbert	Aston Martin V8 Vantage GT4	515
5	Class 3	36	Andrew Palmer	Andrew Palmer Marek Reichman Alice Powell Andrew Frankel	Aston Martin V8 Vantage GT4	506
6 DNF	Class 4	33	Nick Barrow	Nick Barrow Tom Barrow Clint Bardwell Richard Corbett	BMW 135 GTR	495
7	Class 1	10	Radical Sportscars	Laurence Wiltshire Shahin Nouri Martyn Smith Richard Roberts	Radical RXC V8	492
8	Class 5	62	Red Camel-jordans.nl	Ivo Breukers Rik Breukers Sjaco Griffioen	SEAT Leon	491
9	Class 2	91	MARC Cars Australia	Tom Onslow-Cole Paul White Ben Gersekowski Garry Jacobson	MARC Focus GTC	487
10	Class 4	58	WEC Motorsport	Dave Cox Jason Cox Michael Cox George Haynes	BMW M3	485
11	Class 2	17	Topcats Racing	Nigel Pike Paul Black Joachim Bölting Pat Gormley	Marcos Mantis	464
12	Class 4	59	Team Chf500	Ben Demetriou Jonathan Evans Alex Eacock Paul Follett	Porsche 968	459
13	Class 1	12	Team LNT	Chris Hoy Lawrence Tomlinson Mike Simpson Charlie Robertson Gaetan Paletou	Ginetta-Juno P3-15	418
14	Class 5	65	Paul Mensley	Paul Mensley Nick Boon James Ashton Mike Nash Paul Anderton	Ford Fiesta	394
15 DNF	Class 1	8	Peter Cook	Philip Hopkins Franck Pelle Peter Cook Adam Sharpe Stephen Ritchie	Audi R8 LMS	389
16 DNF	Class 4	61	JR Motorsport	Eric van de Munckhof Martin Lanting Steve Liquorish Mark Jaffray	BMW M3 E46	378
17 NC	Class 2	15	Topcats Racing	Paul Stephens Gerry Taylor Owen O'Neill Neil Huggins	Marcos Mantis	377
18 DNF	Class 2	92	Team Russia by Barwell	Timur Sardarov James Kaye Leo Machitski Mark Lemmer	MARC Focus GTC	372
19 NC	Class 5	66	WEC Motorsport	Gavin Spencer Frank Pettit Carey Lewis Andy Ruthven	SEAT Leon Supercopa	333
20 DNF	Class 3	38	Darron Anley	Darron Anley David Joseph Mark Abbot	Chevron GR8	322
21 DNF	Class 3	34	Alex Osborne	Alex Osborne James May Paul May	Porsche 997 GT4 Cup	274
22 DNF	Class 1	4	Witt Gamski	Witt Gamski Phil Dryburgh Joe Macari Rory Butcher	Ferrari F430 GTC	247
23 DNF	Class 4	60	Sicl.com	Ashley Woodman Rob Cullum Martin Byford Jon Cullum	SEAT Leon Cup Racer	227
24 DNF	Class 1	14	Marco Shelp	Marco Shelp Michael Tischner Willie Moore Jim Geddie Glynn Geddie	Porsche 997 GT3 Cup	221
25 DNF	Class 2	43	Ian Carvell	Ian Carvell Rob Carvell Dave Carvell Tom Witts	Jaguar XF-S	157
26 DNF	Class 4	53	Mike Moss	Mike Moss Robert Gilham John Clonis Graham Cox Tom Howard	BMW M3 GT4	81
27 DNF	Class 1	76	Simon Green	Nigel Rata Freddie Hunt Simon Green	Jaguar XKR-S	38
28 DNF	Class 3	88	Rollcentre Racing	Martin Short Massimiliano Girardo Richard Neary James Cottingham	BMW M3 E46	8
DNS	Class 2	16	John Stack	John Stack Alan Brown Rory Brown	Ferrari F430 Challenge	0
DNS	Class 1	7	ISL	Alun Edwards Gerry Hampshire	Tampolli SR2 RTA-2001	0