The 2005 Lexmark Indy 300 was the twelfth and penultimate round of the 2005 Bridgestone Presents the Champ Car World Series Powered by Ford season, held on 22 October 2005 on the Surfers Paradise Street Circuit, Queensland, Australia. Sébastien Bourdais won the race and also clinched his second consecutive Champ Car championship. Oriol Servià earned his first and to date only pole position in his career. The race also marked the final career podium for 1996 CART champion Jimmy Vasser, who finished third running for his co-owned team PKV Racing.

Pos	Nat	Name	Team	Qual 1	Qual 2	Best
1		Oriol Servià	Newman/Haas Racing	1:47.872	1:32.616	1:32.616
2		Sébastien Bourdais	Newman/Haas Racing	1:45.739	1:33.211	1:33.211
3		Mario Domínguez	Forsythe Racing	1:48.865	1:32.667	1:32.667
4		Cristiano da Matta	PKV Racing	1:48.346	1:32.753	1:32.753
5		Paul Tracy	Forsythe Racing	1:46.920	1:32.976	1:32.976
6		A. J. Allmendinger	RuSPORT	1:49.257	1:33.250	1:33.250
7		Justin Wilson	RuSPORT	1:49.922	1:33.360	1:33.360
8		Jimmy Vasser	PKV Racing	1:48.792	1:33.703	1:33.703
9		Alex Tagliani	Team Australia	1:46.010	1:34.137	1:34.137
10		Timo Glock	Rocketsports Racing	1:51.479	1:34.554	1:34.554
11		Will Power	Team Australia	1:50.777	1:34.599	1:34.599
12		Rodolfo Lavín	CTE Racing – HVM	1:49.623	1:34.780	1:34.780
13		Marcus Marshall	Team Australia	1:49.142	1:34.854	1:34.854
14		Nelson Philippe	Mi-Jack Conquest Racing	1:47.321	1:34.937	1:34.937
15		Ronnie Bremer	Dale Coyne Racing	1:50.006	1:35.406	1:35.406
16		Michael McDowell	Rocketsports Racing	1:49.870	1:35.415	1:35.415
17		Andrew Ranger	Mi-Jack Conquest Racing	1:51.337	1:35.645	1:35.645
18		Ricardo Sperafico	Dale Coyne Racing	1:48.355	1:35.711	1:35.711
19		Fabrizio del Monte	CTE Racing – HVM	1:50.702	1:36.268	1:36.268

Pos	No	Driver	Team	Laps	Time/retired	Grid	Points
1	1	Sébastien Bourdais	Newman/Haas Racing	57	1:39:26.671	2	34
2	10	A. J. Allmendinger	RuSPORT	57	+9.130 secs	6	27
3	12	Jimmy Vasser	PKV Racing	57	+31.852 secs	8	25
4	15	Alex Tagliani	Team Australia	57	+36.420 secs	9	23
5	2	Oriol Servià	Newman/Haas Racing	57	+43.968 secs	1	22
6	8	Timo Glock	Rocketsports Racing	57	+45.616 secs	10	19
7	9	Justin Wilson	RuSPORT	57	+59.630 secs	7	17
8	19	Ronnie Bremer	Dale Coyne Racing	57	+65.852 secs	15	15
9	11	Ricardo Sperafico	Dale Coyne Racing	57	+76.292 secs	18	14
10	27	Andrew Ranger	Mi-Jack Conquest Racing	57	+93.488 secs	17	11
11	5	Marcus Marshall	Team Australia	56	+ 1 Lap	13	10
12	31	Michael McDowell	Rocketsports Racing	56	+ 1 Lap	16	9
13	55	Rodolfo Lavín	CTE Racing – HVM	53	+ 4 Laps	12	8
14	34	Nelson Philippe	Mi-Jack Conquest Racing	47	Off course	14	7
15	25	Will Power	Team Australia	29	Contact	11	6
16	4	Fabrizio del Monte	CTE Racing – HVM	28	Contact	19	5
17	3	Paul Tracy	Forsythe Racing	24	Gearbox	5	5
18	7	Mario Domínguez	Forsythe Racing	1	Contact	3	3
19	21	Cristiano da Matta	PKV Racing	0	Contact	4	2

Laps	Cause
1–3	Servià (2), da Matta (21), Domínguez (7) contact
29–32	Power (25) contact; del Monte (4) contact

Laps Leader 1–19 Paul Tracy 20–57 Sébastien Bourdais

Driver Laps led Sébastien Bourdais 38 Paul Tracy 19

• New Race Lap Record Sébastien Bourdais 1:32.063
• New Race Record Sébastien Bourdais 1:39:26.671
• Average Speed 96.123 mph

• Bold indicates the Season Champion.

Drivers' Championship standings

	Pos	Driver	Points
	1	Sébastien Bourdais	344
	2	Oriol Servià	265
1	3	Justin Wilson	231
1	4	Paul Tracy	221
2	5	A. J. Allmendinger	199

• Note: Only the top five positions are included.

• Friday Qualifying Results
• Saturday Qualifying Results
• Race Results
• Weather information

Previous race: 2005 Hurricane Relief 400	Champ Car World Series 2005 season	Next race: 2005 Gran Premio Telmex/Tecate
Previous race: 2004 Lexmark Indy 300	2005 Lexmark Indy 300	Next race: 2006 Lexmark Indy 300

27°59′17.9″S 153°25′42.1″E / 27.988306°S 153.428361°E / -27.988306; 153.428361