The 2009 International GT Open season was the fourth season of the International GT Open. The season began on April 18 and ended on November 8, 2009. Joël Camathias and Marcel Fässler claimed both the Super GT title and the overall title, beating Autorlando Sport's Richard Lietz and Gianluca Roda in both standings. GTS champions were the Kessel Racing pairing of Michał Broniszewski and Philipp Peter.

• All cars ran on Dunlop tyres.

Team No. Drivers Class Chassis Engine Rounds Racing Team Edil Cris 1 Andrea Montermini SGT Ferrari F430 GT2 Ferrari 4.0L V8 1–2 Mattia Pavoni 6 Alessandro Bonetti 1–8 Raffaele Giammaria Autorlando Sport 3 Richard Lietz SGT Porsche 997 GT3-RSR Porsche 4.0L Flat-6 1–8 Gianluca Roda 4 Manuel Gião Pedro Couceiro Trottet Racing 5 Marcel Fässler SGT Ferrari F430 GTC Ferrari 4.0L V8 1–6 Joël Camathias Megadrive Advanced Engineering 8 Marco Cioci SGT Ferrari F430 GT2 Ferrari 4.0L V8 1–8 Piergiuseppe Perazzini Advanced Engineering 9 Peter Bamford SGT Ferrari F430 GT2 Ferrari 4.0L V8 1–8 Matt Griffin 11 Alessandro Garofano Marco Mapelli 1–2 Rui Águas 1–4, 7–8 12 Giacomo Ricci 1–8 Michele Rugolo 65 Carlo Romani GTS Maserati GranTurismo Coupé Cup Maserati 4.7L V8 3–4 Arturo Merzario Vittoria Competizioni 10 Plamen Kralev SGT Ferrari F430 GT2 Ferrari 4.0L V8 1–6 Andrea Montermini 3–4 Ferdinando Monfardini 7–8 Marco Frezza 67 John Horejsi GTS Ferrari F430 GT3 Ferrari 4.3L V8 1–8 SunRed 14 Víctor Fernández SGT SunRed SR21 Judd GV4 4.0L V10 1–6 Lluis Llobet 15 Óscar Fernández Matteo Cressoni IMSA Performance Matmut 16 Raymond Narac SGT Porsche 997 GT3-RSR Porsche 4.0L Flat-6 1–8 Patrick Pilet 17 Michel Lecourt Richard Balandras 18 Jean-Philippe Belloc Yannick David Easyrace 19 Fabrizio del Monte SGT Ferrari F430 GT2 Ferrari 4.0L V8 1–2, 5–6 Steve Zacchia António Nogueira 20 António Nogueira SGT Marcos LM600 Chevrolet 7.0L V8 3–4 Scuderia 22 51 Giacomo Piccini GTS Chevrolet Corvette Z06.R GT3 Chevrolet LS7 7.0L V8 7–8 Ferdinando Geri Escudería Roger Racing 52 Miquel Julià GTS Ferrari F430 GT3 Ferrari 4.3L V8 1–4 Duarte Félix da Costa FR Motorsport 55 Riccardo Romagnoli GTS Dodge Viper Competition Coupe Dodge 8.3L V10 1–2 Giuseppe de Pasquale 56 Gabriele Sabatini Filippo Zadotti Kessel Racing 57 Lorenzo Bontempelli GTS Ferrari 430 Scuderia GT3 Ferrari 4.3L V8 1–6 Stefano Livio Niki Cadei 7–8 Paulo Bonifácio 58 Vadim Kuzminykh 1–8 Stephen Earle 1–2, 5–6 Beniamino Caccia 3–4, 7–8 59 Philipp Peter 1–8 Michał Broniszewski Villois Racing 61 Massimiliano Wiser GTS Aston Martin DBRS9 Aston Martin 6.0L V12 1–8 Gabriele Lancieri 1–2, 5–8 Luca Filippi 3–4 62 Marco Petrini 1–8 Lucas Guerrero Chad Racing 64 Mike Cantillon GTS Ferrari F430 GT3 Ferrari 4.3L V8 3–8 Jamie Constable Vodafone Racing 66 António Coimbra GTS Aston Martin DBRS9 Aston Martin 6.0L V12 3–4 Luís Silva Aeffem 68 Mario Ferraris GTS Ferrari F430 GT3 Ferrari 4.3L V8 1–2 Aldo Cerruti J.C. Lagniez Red Racing 69 Jean-Claude Lagniez GTS Chevrolet Corvette Z06.R GT3 Chevrolet LS7 7.0L V8 3–6 Iradj Alexander 3–8 Miquel Julià 7–8

Icon Class SGT Super GT Class GTS GTS Class

Round	Circuit	Date	Super GT winner	GTS winner
1	Autodromo Enzo e Dino Ferrari, Imola	18 April	#12 Advanced Engineering	#59 Kessel Racing
			Michele Rugolo Giacomo Ricci	Michał Broniszewski Philipp Peter
2		19 April	#5 Trottet Racing	#59 Kessel Racing
			Joël Camathias Marcel Fässler	Michał Broniszewski Philipp Peter
3	Autódromo Internacional do Algarve, Portimão	16 May	#3 Autorlando Sport	#62 Villois Racing
			Gianluca Roda Richard Lietz	Marco Petrini Lucas Guerrero
4		17 May	#5 Trottet Racing	#59 Kessel Racing
			Marcel Fässler Joël Camathias	Michał Broniszewski Philipp Peter
5	Circuit de Spa-Francorchamps, Spa	27 June	#16 IMSA Performance Matmut	#59 Kessel Racing
			Raymond Narac Patrick Pilet	Michał Broniszewski Philipp Peter
6		28 June	#3 Autorlando Sport	#61 Villois Racing
			Gianluca Roda Richard Lietz	Massimiliano Wiser Gabriele Lancieri
7	Donington Park, Castle Donington	4 July	#16 IMSA Performance Matmut	#59 Kessel Racing
			Raymond Narac Patrick Pilet	Michał Broniszewski Philipp Peter
8		5 July	#16 IMSA Performance Matmut	#59 Kessel Racing
			Raymond Narac Patrick Pilet	Michał Broniszewski Philipp Peter
9	Circuit de Nevers Magny-Cours, Magny-Cours	19 September	#5 Trottet Racing	#62 Villois Racing
			Marcel Fässler Joël Camathias	Marco Petrini Lucas Guerrero
10		20 September	#4 Autorlando Sport	#78 JMB Racing
			Pedro Couceiro Manuel Gião	Jean Bachelier Yannick Mallegol
11	Autodromo Nazionale di Monza, Monza	3 October	#5 Trottet Racing	#62 Villois Racing
			Marcel Fässler Joël Camathias	Marco Petrini Lucas Guerrero
12		4 October	#5 Trottet Racing	#61 Villois Racing
			Marcel Fässler Joël Camathias	Massimiliano Wiser Gabriele Lancieri
13	Circuit de Catalunya, Montmeló	31 October	#16 IMSA Performance Matmut	#72 Mtech Racing
			Raymond Narac Patrick Pilet	Duncan Cameron Matt Griffin
14		1 November	#16 IMSA Performance Matmut	#85 Phoenix Racing
			Raymond Narac Patrick Pilet	Andrea Piccini Jean-Denis Délétraz
15	Autódromo Internacional do Algarve, PortimãoA	7 November	#5 Trottet Racing	#61 Villois Racing
			Marcel Fässler Joël Camathias	Massimiliano Wiser Lucas Guerrero
16		8 November	#16 IMSA Performance Matmut	#61 Villois Racing
			Raymond Narac Patrick Pilet	Massimiliano Wiser Lucas Guerrero

^A Replaces the round originally meant to be held at Valencia Street Circuit. Held simultaneously with the Spanish GT Championship races.

Points are awarded to the top five finishers in the order 10-8-6-4-3.

Pos	Driver	Team	IMO		ALG		SPA		DON		MAG		MNZ		CAT		ALG		Total
1	Joël Camathias Marcel Fässler	Trottet Racing		10	6	10	3	8	3	8	10	3	10	10	8		10		99
2	Richard Lietz Gianluca Roda	Autorlando Sport	6	6	10	4	8	10	4	6	8		8		4	6	8	6	94
3	Raymond Narac Patrick Pilet	IMSA Performance Matmut	8				10	3	10	10	6	8			10	10	6	10	91
4	Pedro Couceiro Manuel Gião	Autorlando Sport	4		4	8	4	6	8	4	3	10	4						55
5	Giacomo Ricci Michele Rugolo	Advanced Engineering	10	4	8		6		6		4		6	6					50
6	Marco Cioci Piergiuseppe Perazzini	Megadrive		8		6		4		3		6	3	4	3	4		4	45
7	Alessandro Bonetti Raffaele Giammaria	Racing Team Edil Cris	3	3		3								8					17
8	Marco Frezza Ferdinando Monfardini	Vittoria Competizioni													6	8			14
9	Jean-Philippe Belloc	IMSA Performance Matmut										4						8	12
10	Rui Águas Alessandro Garofano	Advanced Engineering														3	4	3	10
11	Richard Balandras	IMSA Performance Matmut																8	8
12	Yannick David	IMSA Performance Matmut										4							4
13=	Matteo Cressoni Óscar Fernández	SunRed			3														3
13=	Peter Bamford Matt Griffin	Advanced Engineering												3					3
Pos	Driver	Team	IMO		ALG		SPA		DON		MAG		MNZ		CAT		ALG		Total

Pos	Driver	Team	IMO		ALG		SPA		DON		MAG		MNZ		CAT		ALG		Total
1	Michał Broniszewski Philipp Peter	Kessel Racing	10	10		10	10	6	10	10	6	6	8	4	6	8	3		107
2	Massimiliano Wiser	Villois Racing	8	8		8	8	10	8	6				10	4		10	10	90
3	Lucas Guerrero	Villois Racing	6		10				6	8	10	3	10	8	4		10	10	85
4	Marco Petrini	Villois Racing	6		10			8	6	8	10	3	10	8					69
5	Gabriele Lancieri	Villois Racing	8	8			8	10	8	6				10				8	66
6	Vadim Kuzminykh	Kessel Racing		6					4		8	8		6			8	6	66
7	Lorenzo Bontempelli	Kessel Racing			4						8	8		6					26
8	Miquel Julià	Escudería Roger Racing J.C. Lagniez	3	4	3					4	3		6						23
9	Jean-Claude Lagniez	J.C. Lagniez			6	6					3		6						21
10	Duncan Cameron	Mtech Racing					4								10	6			20
11	Matt Griffin	Mtech Racing													10	6			16
11	Iradj Alexander	J.C. Lagniez			6	6				4									16
12=	Jean Bachelier Yannick Mallegol	JMB Racing									4	10							14
12=	Stefano Gattuso	Kessel Racing															8	6	14
13	Jean-Denis Délétraz Andrea Piccini	Phoenix													3	10			13
14=	John Horejsi	Vittoria Competizioni			8	4													12
14=	António Coimbra Luís Silva	Vodafone Racing				3											6	3	12
15	Frederic Makowiecki Jean-Philippe Dayraut	Team As Events													8	3			11
16=	Ferdinando Geri Giacomo Piccini	Scuderia 22				6	4												10
16=	Duarte Félix da Costa	Escudería Roger Racing	3	4	3														10
17=	Luca Filippi	Villois Racing				8													8
17=	Paolo Necchi	Villois Racing						8											8
17=	Massimiliano Busnelli	Villois Racing																8	8
17=	Filippo Zadotti Gabriele Sabatini	FR Motorsport	4										4						4
18=	Stephen Earle	Kessel Racing		6															6
18=	Stefano Borghi Gianluca de Lorenzi	GDL Racing					3	3											6
19=	Stefano Livio	Kessel Racing			4														4
19=	Mike Edmonds	Mtech Racing					4												4
19=	Beniamino Caccia	Kessel Racing								4									4
19=	Christian Lepreux Jacques Médard	Ruffier Racing										4							4
19=	Maurice Ricci Mike Savary	Maurice Ricci														4			4
19=	Gabriele Balthazard Jérôme Policand	Gabriele Balthazard																4	4
20=	Giuseppe de Pasquale Riccardo Romagnoli	FR Motorsport		3															3
20=	Leyton Clarke Adam Jones	Mtech Racing							3										3
20=	Maurizio Ardigo	Maurizio Ardigo											3						3
20=	Jean-Francois Dumoulin Hynn Lee	Vittoria Competizioni												3					3
Pos	Driver	Team	IMO		ALG		SPA		DON		MAG		MNZ		CAT		ALG		Total

Pos	Team	IMO		ALG		SPA		DON		MAG		MNZ		CAT		ALG		Total
1	Autorlando Sport	10	6	14	12	12	16	12	10	11	10	12		4	6	8	6	149
2	IMSA Performance Matmut	8				10	3	10	10	6	12			10	10	6	18	103
3	Trottet Racing		10	6	10	3	8	3	8	10	3	10	10	8		10		99
4	Advanced Engineering	10	4	8		6		6		4		6	9		3	4	3	63
5	Megadrive		8		6		4		3		6	3	4	3	4		4	45
6	Racing Team Edil Cris	3	3		3								8					17
7	Vittoria Competizioni													6	8			14
8	SunRed			3														3
Pos	Team	IMO		ALG		SPA		DON		MAG		MNZ		CAT		ALG		Total

Pos	Team	IMO		ALG		SPA		DON		MAG		MNZ		CAT		ALG		Total
1	Villois Racing	14	8	10	8	8	18	14	14	10	3	10	18	4		10	18	167
2	Kessel Racing	10	16	4	10	10	6	14	10	14	14	8	10	6	8	8	6	154
3	Mtech Racing					4								10	6			20
4	J.C. Lagniez				6				4			6						16
5	Vittoria Competizioni			8	4								3					15
6	Phoenix Racing													3	10			13
7	Scuderia 22					6	4			3								13
8	Vodafone Racing				3											6	3	12
9	Team AS Events													8	3			11
10	FR Motorsport	4	3									4						11
11	JMB Racing										10							10
12	Escudería Roger Racing	3	4	3														10
13	Apex Racing								3		4							7
14	GDL Racing					3	3											6
15=	Ruffier Racing										4							4
15=	Maurice Ricci														4			4
15=	Gabriele Balthazard																4	4
18	Maurizio Ardigo											3						3
Pos	Team	IMO		ALG		SPA		DON		MAG		MNZ		CAT		ALG		Total

• "International GT Open Championship Classification" (PDF). GT Sport. Archived from the original (PDF) on December 24, 2009. Retrieved 13 June 2011.

• Official website