Race Win Ratio

until 1975 Brazilian 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	Entrant	Race Win Ratio	Race Wins	Entries
1	FISA	100.00%	1	1
2	BSG Motor	50.00%	2	4
2	John Riseley-Prichard	50.00%	2	4
4	Stirling Moss Ltd	26.67%	4	15
5	Scuderia Ambrosiana	26.32%	5	19
6	Martini Racing	25.00%	1	4
6	World Wide Racing	25.00%	1	4
8	Daimler Benz AG	23.81%	10	42
9	Alfa Romeo SpA	22.92%	11	48
10	Matra International	20.45%	9	44
11	John Young	20.00%	1	5
12	Vandervell Products	16.88%	13	77
13	John Coombs	16.67%	1	6
14	Elf Team Tyrrell	15.79%	18	114
15	John Player Team Lotus	15.73%	14	89
16	Marlboro Team Texaco	14.71%	5	34
17	Gilby Engineering	13.51%	5	37
18	ADAC	12.50%	1	8
19	Team Lotus	12.05%	27	224
20	Scuderia Ferrari	11.75%	39	332
21	Scuderia Lancia	11.11%	2	18
	Emmanuel de Graffenried	11.11%	1	9
	Rennkollektiv EMW	11.11%	1	9
24	Gold Leaf Team Lotus	10.38%	11	106
25	Officine Alfieri Maserati	8.41%	18	214
26	R.R.C. Walker Racing Team	7.32%	9	123
27	Brabham Racing Organisation	7.30%	10	137
28	Scuderia Ferrari SpA SEFAC	7.21%	22	305
29	Gould's Garage (Bristol)	7.14%	2	28
30	Leslie Marr	6.67%	1	15
30	Prince Bira	6.67%	1	15
32	Cooper Car Co	6.35%	16	252
33	Yardley Team McLaren	5.33%	4	75
34	Owen Racing Organisation	5.07%	14	276
35	Honda Racing	4.55%	1	22
35	Honda R&D Co	4.55%	1	22
37	Motor Racing Developments	4.05%	6	148
37	Yardley Team BRM	4.05%	3	74
39	Tyrrell Racing Organisation	4.00%	1	25
40	Bob Gerard	3.70%	1	27
41	Bruce McLaren Motor Racing	3.51%	4	114
42	Connaught Engineering	3.17%	2	63
43	Porsche System Engineering	3.03%	1	33
44	Rob Walker/Jack Durlacher Racing	2.94%	1	34
45	Anglo American Racers	2.86%	1	35
46	Equipe Gordini	1.66%	3	181
47	Ecurie Rosier	1.16%	1	86
48	Marlboro BRM	1.14%	1	88

Finishing position: