The 2013 Avon Tyres British GT season was the 21st season of the British GT Championship. The season began on 30 March at Oulton Park and finished on 6 October at Donington Park, after ten rounds held over seven meetings. Beechdean Motorsport team principal Andrew Howard won the GT3 category in an Aston Martin V12 Vantage GT3, Optimum Motorsport's Ryan Ratcliffe and Rick Parfitt Jr. won the GT4 championship, driving a Ginetta G50 while Paul Bailey and Andy Schulz took the GTC title in a Ferrari 458 Challenge, driving for Horsepower Racing.

Entry list The SRO released the entry list on 7 March at the season launch, containing 27 GT3 and 6 GT4 full season entries.

2013 Entry List Team Drivers Class Chassis Engine Rounds Beechdean Motorsport 007 Jonathan Adam GT3 Aston Martin V12 Vantage GT3 Aston Martin 6.0L V12 All Andrew Howard Omantel Oman Air Motorbase 1 Michael Caine GT3 Porsche 997 GT3-R Porsche 4.0L Flat-6 All Ahmad Al Harthy Predator CCTV-AMR 2 Adam Wilcox GT3 Aston Martin V12 Vantage GT3 Aston Martin 6.0L V12 10 Phil Burton Rosso Verde 3 Hector Lester GT3 Ferrari 458 Italia GT3 Ferrari 4.5L V8 1–2, 4 Allan Simonsen MTECH 4 Adam Wilcox GT3 Ferrari 458 Italia GT3 Ferrari 4.5L V8 4 Phil Burton 21 Matt Griffin GT3 Ferrari 458 Italia GT3 Ferrari 4.5L V8 1–2 Duncan Cameron 41 Julien Draper GT3 Ferrari 458 Italia GT3 Ferrari 4.5L V8 1–2 Derek Johnston 1–7 Jake Rattenbury 3–7 42 Derek Johnston GT3 Ginetta G55 GT3 Ginetta 4.3L V8 8–10 Luke Hines Team WRT 5 Warren Hughes GT3 Audi R8 LMS Ultra Audi 5.2L V10 7–9 Rembert Berg PGF-Kinfaun AMR 6 John Gaw GT3 Aston Martin V12 Vantage GT3 Aston Martin 6.0L V12 All Phil Dryburgh 888Optimum 8 Joe Osborne GT3 BMW Z4 GT3 BMW 4.4L V8 All Lee Mowle 888 Daniel Brown GT3 BMW Z4 GT3 BMW 4.4L V8 All Steve Tandy Von Ryan Racing 9 Grégoire Demoustier GT3 McLaren MP4-12C GT3 McLaren 3.8L Turbo V8 3–7, 10 Duncan Tappy M-Sport Racing 10 Warren Hughes InvGT3 Audi R8 LMS Ultra Audi 5.2L V10 1–6 Rembert Berg PE Group Blendini Motorsport 11 Dominic Evans GT3 Audi R8 LMS Audi 5.2L V10 1–4, 7, 10 Tom Roche Balfe Motorsport 12 Shaun Balfe GT3 Ferrari 458 Italia GT3 Ferrari 4.5L V8 3 Tommy Erdos AF Corse 13 Aaron Scott GT3 Ferrari 458 Italia GT3 Ferrari 4.5L V8 All John Dhillon 28 Steve Wyatt GT3 Ferrari 458 Italia GT3 Ferrari 4.5L V8 4 Michele Rugolo 29 Matt Griffin GT3 Ferrari 458 Italia GT3 Ferrari 4.5L V8 4, 7 Duncan Cameron Fortec Motorsports 14 Jason Minshaw GT3 Mercedes-Benz SLS AMG GT3 Mercedes-AMG 6.2L V8 All James Walker 1–2 Benji Hetherington 3–10 15 Ollie Hancock GT3 Mercedes-Benz SLS AMG GT3 Mercedes-AMG 6.2L V8 1–2 Benji Hetherington Danny Candia 3 Oliver Webb Steve Jans 4 Klaas Hummel Team LNT 16 Mike Simpson GT3 Ginetta G55 GT3 Ginetta 4.3L V8 All Richard Sykes 1–6 Rob Smith 7–10 Stark Racing 17 Ian Stinton GT3 Ginetta G55 GT3 Ginetta 4.3L V8 4 Nathan Freke FF Corse 18 Rob Barff GT3 Ferrari 458 Italia GT3 Ferrari 4.5L V8 All Gary Eastwood 19 Jacques Duyver GTC Ferrari 458 Challenge Ferrari 4.5L V8 4, 7 Charlie Hollings 20 Paul McNeilly GT3B Ferrari F430 GT3 Ferrari 4.3L V8 4 Jamie Stanley 26 Jacques Duyver GT3 Ferrari 458 Italia GT3 Ferrari 4.5L V8 10 Charlie Hollings Preci-Spark Engineering 22 David Jones GT3 McLaren MP4-12C GT3 McLaren 3.8L Turbo V8 1–7 Godfrey Jones David Jones GT3 Mercedes-Benz SLS AMG GT3 Mercedes-AMG 6.2L V8 10 Godfrey Jones United Autosports 23 Zak Brown GT3 McLaren MP4-12C GT3 McLaren 3.8L Turbo V8 1–7 Glynn Geddie 1–2 Álvaro Parente 3–7 24 Mark Blundell GT3 McLaren MP4-12C GT3 McLaren 3.8L Turbo V8 1–4 Roger Wills 1–2 Jody Firth 3–7 Glynn Geddie 5–7 25 Matt Bell GT3 Audi R8 LMS Ultra Audi 5.2L V10 All Mark Patterson Vita4One Team Italy 27 Matteo Bobbi GT3 Ferrari 458 Italia GT3 Ferrari 4.5L V8 1–4 Jay Palmer Trackspeed 31 Nick Tandy GT3 Porsche 997 GT3-R Porsche 4.0L Flat-6 All David Ashburn 32 Richard Westbrook GT3 Porsche 997 GT3-R Porsche 4.0L Flat-6 1–4, 10 Gregor Fisken All Stephen Jelley 5–9 33 Phil Keen GT3 Porsche 997 GT3-R Porsche 4.0L Flat-6 All Jon Minshaw IDL Racing with CWS 40 Tom Sharp GT3 Ginetta G55 GT3 Ginetta 4.3L V8 All Colin White Century Motorsport 43 Declan Jones GT4 Ginetta G50 GT4 Ford Cyclone 3.5L V6 All Zoë Wenham 1–7 Nathan Freke 8–10 Optimum Motorsport 44 Ryan Ratcliffe GT4 Ginetta G50 GT4 Ford Cyclone 3.5L V6 All Rick Parfitt Jr. Blendini/Triple-R 45 Rory Bryant GT4 Ginetta G50 GT4 Ford Cyclone 3.5L V6 4, 7–10 Anthony Rodgers 4, 7 David Barker 8–9 Zoë Wenham 10 Twisted Team Parker 46 Bradley Ellis GT4 Ginetta G50 GT4 Ford Cyclone 3.5L V6 10 Adrian Barwick Prospeed Competition 48 Charles Putman GT3 Porsche 997 GT3-R Porsche 4.0L Flat-6 4 Charles Espenlaub Redgate/Lifetime Racing 50 Matt Smith GT4 Ginetta G50 GT4 Ford Cyclone 3.5L V6 All Dan Eagling Complete Racing AMR 53 Tom Wilson GT4 Aston Martin V8 Vantage GT4 Aston Martin 4.7L V8 1–7, 10 Steve Chaplin Aston Martin Racing 54 Richie Stanaway GT4 Aston Martin V8 Vantage GT4 Aston Martin 4.7L V8 10 Harry Whale Horsepower Racing 61 Paul Bailey GTC Ferrari 458 Challenge Ferrari 4.5L V8 8–10 Andy Schulz APO Sport 69 Alex Osborne GT4 Ginetta G50 GT4 Ford Cyclone 3.5L V6 All James May Ecurie Ecosse with Barwell Motorsport 78 Piers Johnson GT3 BMW Z4 GT3 BMW 4.4L V8 All Ron Johnson Ecurie Ecosse Ecurie Ecosse powered by Black Bull 79 Oliver Bryant GT3 BMW Z4 GT3 BMW 4.4L V8 All Marco Attard Barwell Motorsport 80 Mark Poole GT3 Aston Martin V12 Vantage GT3 Aston Martin 6.0L V12 1–7, 10 Richard Abra JRM Racing 230 Jody Fannin GT3 Nissan GT-R Nismo GT3 Nissan VR38DETT 3.8L Turbo V6 1–2 320 Mark Cole 1–2 Ekris Motorsport 401 Ricardo van der Ende GT4 BMW M3 GT4 BMW 4.0L V8 4 Bernhard van Oranje 408 Ricardo van der Ende GT4 BMW M3 GT4 BMW 4.0L V8 8–9 Pieter-Christiaan van Oranje 411 Jan Joris Verheul GT4 BMW M3 GT4 BMW 4.0L V8 4 Pieter-Christiaan van Oranje Veloso Motorsport 402 Mauro Dias Marques GT4 Aston Martin V8 Vantage GT4 Aston Martin 4.7L V8 4 Fábio Mota Motorground 403 Henry Taylor GT4 Ginetta G50 GT4 Ford Cyclone 3.5L V6 4 Nigel Farmer V8Racing8V Las Moras Racing Team 405 Rick Abresch GT4 Chevrolet Camaro SS GT4 Chevrolet 6.2L V8 4 Nicky Pastorelli 406 Luc Braams GT4 Chevrolet Camaro SS GT4 Chevrolet 6.2L V8 4 Duncan Huisman 409 Luc Braams GT4 Chevrolet Camaro SS GT4 Chevrolet 6.2L V8 8–9 Duncan Huisman 412 Bertus Sanders GT4 Chevrolet Camaro SS GT4 Chevrolet 6.2L V8 8–9 Frank Wilschut HDI Gerling-Formido Racing 406 Kelvin Snoeks GT4 Corvette C6 GT4 Chevrolet 6.2L V8 8–9 Marcel Nooren PROsport Performance 408 Jörg Viebahn GT4 Porsche 997 GT4 Porsche 3.6L Flat-6 4 Adam Christodoulou Cor Euser Racing 409 Cor Euser GT4 Lotus Evora GT4 Toyota 4.0L V6 4 Rob Severs Nissan GT Academy by Equipe Verschuur 423 Sandor van Es GT4 Nissan 370Z GT4 Nissan 3.8L V6 8–9 Dennis van de Laar Icon Class GT3 GT3 Class GT3B GT3B Class GT4 GT4 Class GTC Cup Class Inv Invitation Class

Race calendar and results The 2013 calendar was announced on 13 September 2012. A revised calendar was released on 6 December 2012, with Zandvoort replacing the Nürburgring. All races except Dutch round at Zandvoort, were held in the United Kingdom.

Round Circuit Date Length Pole position GT3 winner GT4 winner 1 Oulton Park 1 April 60 mins No. 15 Fortec Motorsports No. 33 Trackspeed No. 43 Century Motorsport Ollie Hancock Benji Hetherington Phil Keen Jon Minshaw Declan Jones Zoë Wenham 2 60 mins No. 3 Rosso Verde No. 31 Trackspeed No. 43 Century Motorsport Hector Lester Allan Simonsen Nick Tandy David Ashburn Declan Jones Zoë Wenham 3 Rockingham 6 May 120 mins No. 31 Trackspeed No. 32 Trackspeed No. 53 Complete Racing AMR Nick Tandy David Ashburn Richard Westbrook Gregor Fisken Tom Wilson Steve Chaplin 4 Silverstone Arena 26 May 180 mins No. 79 Ecurie Ecosse No. 79 Ecurie Ecosse No. 408 PROsport Performance Oliver Bryant Marco Attard Oliver Bryant Marco Attard Jörg Viebahn Adam Christodoulou 5 Snetterton 16 June 60 mins No. 10 M-Sport Racing No. 1 Oman Air Motorbase No. 44 Optimum Motorsport Warren Hughes Rembert Berg Michael Caine Ahmad Al Harthy Ryan Ratcliffe Rick Parfitt Jr. 6 60 mins No. 32 Trackspeed No. 31 Trackspeed No. 44 Optimum Motorsport Stephen Jelley Gregor Fisken Nick Tandy David Ashburn Ryan Ratcliffe Rick Parfitt Jr. 7 Brands Hatch GP 11 August 120 mins No. 888 888Optimum No. 007 Beechdean Motorsport No. 44 Optimum Motorsport Daniel Brown Steve Tandy Jonathan Adam Andrew Howard Ryan Ratcliffe Rick Parfitt Jr. 8 Zandvoort 7 September 60 mins No. 1 Oman Air Motorbase No. 1 Oman Air Motorbase No. 50 Redgate/Lifetime Racing Michael Caine Ahmad Al Harthy Michael Caine Ahmad Al Harthy Matt Smith Dan Eagling 9 8 September 60 mins No. 31 Trackspeed No. 31 Trackspeed No. 45 Blendini/Triple-R Nick Tandy David Ashburn Nick Tandy David Ashburn Rory Bryant David Barker 10 Donington Park 6 October 120 mins No. 8 888Optimum No. 25 United Autosports No. 43 Century Motorsport Joe Osborne Lee Mowle Matt Bell Mark Patterson Declan Jones Nathan Freke

Championship standings Points are awarded as follows: Length 1 2 3 4 5 6 7 8 9 10 60 mins 25 18 15 12 10 8 6 4 2 1 60+ mins 37.5 27 22.5 18 15 12 9 6 3 1.5 Half points are awarded if a class had less than 3 cars

GT3/GTC