The 2003 FIA GT Pergusa 500 km was the third round the 2003 FIA GT Championship. It took place at the Autodromo di Pergusa, Italy, on 11 May 2003.

Class winners in bold. Cars failing to complete 70% of winner's distance marked as Not Classified (NC).

Pos	Class	No	Team	Drivers	Chassis	Tyre	Laps
					Engine
1	GT	23	BMS Scuderia Italia	Matteo Bobbi Thomas Biagi	Ferrari 550-GTS Maranello	M	102
					Ferrari 5.9L V12
2	GT	14	Lister Storm Racing	Jamie Campbell-Walter Nathan Kinch	Lister Storm	D	102
					Jaguar 7.0L V12
3	GT	21	Care Racing BMS Scuderia Italia	Stefano Livio Lilian Bryner Enzo Calderari	Ferrari 550-GTS Maranello	M	101
					Ferrari 5.9L V12
4	GT	6	Creation Autosportif	Bobby Verdon-Roe Marco Zadra	Lister Storm	D	101
					Jaguar 7.0L V12
5	GT	15	Lister Storm Racing	Andrea Piccini Jean-Denis Délétraz	Lister Storm	D	100
					Jaguar 7.0L V12
6	GT	4	Force One Racing Festina	Philippe Alliot Steve Zacchia	Chrysler Viper GTS-R	P	99
					Chrysler 8.0L V10
7	N-GT	61	EMKA Racing	Martin Short Tim Sugden	Porsche 911 GT3-R	D	99
					Porsche 3.6L Flat-6
8	N-GT	52	JMB Racing	Andrea Bertolini Fabrizio de Simone	Ferrari 360 Modena GT	P	99
					Ferrari 3.6L V8
9	GT	8	Graham Nash Motorsport	Miguel Ramos Ni Amorim Pedro Chaves	Saleen S7-R	D	97
					Ford 7.0L V8
10	N-GT	75	Team Eurotech	David Jones Godfrey Jones	Porsche 911 GT3-R	D	97
					Porsche 3.6L Flat-6
11	GT	18	Zwaan's Racing	Arjan van der Zwaan Rob van der Zwaan Klaus Abbelen	Chrysler Viper GTS-R	D	96
					Chrysler 8.0L V10
12	N-GT	77	RWS Yukos Motorsport	Nikolai Fomenko Alexey Vasilyev	Porsche 911 GT3-RS	P	95
					Porsche 3.6L Flat-6
13	N-GT	56	Alda Motorsport	Andrzej Dziurka Wojciech Dobrzanski	Porsche 911 GT3-RS	D	95
					Porsche 3.6L Flat-6
14	N-GT	53	JMB Racing	Antoine Gosse Peter Kutemann	Ferrari 360 Modena N-GT	P	94
					Ferrari 3.6L V8
15	N-GT	88	Team Maranello Concessionaires	Tim Mullen Jamie Davies	Ferrari 360 Modena GT	D	84
					Ferrari 3.6L V8
16	N-GT	89	Team Maranello Concessionaires	Darren Turner Kelvin Burt	Ferrari 360 Modena N-GT	D	81
					Ferrari 3.6L V8
17 DNF	GT	2	Konrad Motorsport	Franz Konrad Toni Seiler Jean-Marc Gounon	Saleen S7-R	D	65
					Ford 7.0L V8
18 DNF	N-GT	58	Auto Palace Compétition	Steeve Hiesse Guillaume Gomez	Ferrari 360 Modena GT	P	45
					Ferrari 3.6L V8
19 DNF	N-GT	74	Team Eurotech	Mike Jordan Mark Sumpter	Porsche 911 GT3-RS	D	45
					Porsche 3.6L Flat-6
20 DNF	GT	9	JMB Racing	Philipp Peter Fabio Babini	Ferrari 550 Maranello	P	41
					Ferrari 6.0L V12
21 DNF	N-GT	51	Freisinger Motorsport	Bert Longin Gabriele Gardel	Porsche 911 GT3-RS	D	40
					Porsche 3.6L Flat-6
22 DNF	N-GT	57	MenX	Tomáš Enge Robert Pergl	Ferrari 360 Modena GT	D	39
					Ferrari 3.6L V8
23 DNF	N-GT	99	RWS Yukos Motorsport	Walter Lechner, Jr. Stéphane Daoudi	Porsche 911 GT3-R	P	23
					Porsche 3.6L Flat-6
24 DNF	GT	16	Wieth Racing	Wolfgang Kaufmann Niko Wieth Vittorio Zoboli	Ferrari 550 Maranello	D	18
					Ferrari 6.0L V12
25 DNF	N-GT	50	Freisinger Motorsport	Marc Lieb Stéphane Ortelli	Porsche 911 GT3-RS	D	16
					Porsche 3.6L Flat-6
26 DNF	GT	10	JMB Racing	Boris Derichebourg David Terrien Christian Pescatori	Ferrari 550 Maranello	P	14
					Ferrari 6.0L V12
27 DNF	GT	11	Roos Optima Racing Team	Henrik Roos Magnus Wallinder	Chrysler Viper GTS-R	D	11
					Chrysler 8.0L V10
28 DNF	GT	12	Proton Competition	Christian Ried Gerold Ried	Porsche 911 GT2	Y	10
					Porsche 3.6L Turbo Flat-6
29 DNF	GT	5	Force One Racing Festina Carsport Holland	Mike Hezemans Anthony Kumpen	Chrysler Viper GTS-R	P	5
					Chrysler 8.0L V10
DSQ†	GT	22	BMS Scuderia Italia	Fabrizio Gollin Luca Cappellari	Ferrari 550-GTS Maranello	M	102
					Ferrari 5.9L V12
DNS	GT	7	Graham Nash Motorsport	Mike Newton Thomas Erdos	Saleen S7-R	D	-
					Ford 7.0L V8

† - #22 BMS Scuderia Italia was disqualified for failing post-race technical inspection. The car was found to have an airbox which allowed air to leak back out.

• Pole position - #2 Konrad Motorsport - 1:34.939
• Fastest lap - #50 Freisinger Motorsport - 1:40.755
• Average speed - 171.320 km/h