Race Win Ratio

until 2009 Italian GP

Include Indy 500 races
Ignore non-championship races
Note: records involving non-championship races may be inaccurate due to incomplete data.

Finishing position:

Pos	Team	Race Win Ratio	Race Wins	Entries
1	BSG Motor	50.00%	2	4
1	John Riseley-Prichard	50.00%	2	4
3	FISA / Scuderia Sant'Ambroeus	33.33%	1	3
4	Brawn	30.77%	8	26
5	Scuderia Ambrosiana	26.32%	5	19
6	Melchester Racing	25.00%	5	20
7	Mercedes-Benz	23.81%	10	42
8	Moss	20.00%	4	20
	John Young	20.00%	1	5
	World Wide Racing/Garvey Team Lotus	20.00%	1	5
11	Emilio de Villota	17.65%	3	17
12	John Coombs	16.67%	1	6
13	Vanwall	16.05%	13	81
14	Gilby Engineering	13.51%	5	37
15	Ferrari	12.61%	222	1761
16	ADAC	12.50%	1	8
17	McLaren	12.02%	164	1364
18	Scuderia Lancia	11.11%	2	18
	Emmanuel de Graffenried	11.11%	1	9
	EMW	11.11%	1	9
21	Williams	9.55%	113	1183
22	Maserati	8.41%	18	214
23	Lotus	7.03%	74	1052
24	Renault	6.94%	35	504
25	Bira	6.67%	1	15
25	Leslie Marr	6.67%	1	15
27	Cooper	6.35%	16	252
28	R.R.C. Walker Racing Team	5.99%	10	167
29	Benetton	5.19%	27	520
30	Gould's Garage	5.00%	2	40
31	Alfa Romeo	4.60%	11	239
32	Brabham	4.33%	36	832
33	Wolf	4.17%	3	72
34	John Goldie Racing	4.00%	1	25
35	BRM	3.50%	18	514
36	Tyrrell	3.50%	33	943
37	Bob Gerard	3.33%	1	30
38	Connaught Engineering	3.12%	2	64
39	Penske	3.03%	1	33
40	Eagle	2.86%	1	35
41	Porsche	2.50%	1	40
42	RAM	2.48%	3	121
43	Honda	1.99%	3	151
44	Red Bull	1.76%	3	170
45	Equipe Gordini	1.66%	3	181
46	Ligier	1.44%	9	625
47	Theodore	1.25%	1	80
48	Ecurie Rosier	1.16%	1	86
49	Stewart	1.02%	1	98
50	Hesketh	0.97%	1	103
51	Shadow	0.85%	2	236
52	Jordan	0.80%	4	500
53	Toro Rosso	0.76%	1	132
54	BMW	0.75%	1	134
55	March	0.42%	2	481

Finishing position: