Race Win Ratio

until 1972 South African GP

Ignore 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
1	Ken-Paul Inc	100.00%	1	1
3	BSG Motor	50.00%	2	4
	George Salih	50.00%	2	4
	John Riseley-Prichard	50.00%	2	4
	Kurtis Kraft Inc	50.00%	1	2
7	Howard Keck Co	40.00%	2	5
8	Elf Team Tyrrell	29.63%	8	27
9	Stirling Moss Ltd	26.67%	4	15
10	Scuderia Ambrosiana	26.32%	5	19
11	Leader Cards Inc	25.00%	1	4
11	Yardley Team McLaren	25.00%	1	4
13	Daimler Benz AG	23.81%	10	42
14	Alfa Romeo SpA	22.92%	11	48
15	Matra International	20.45%	9	44
16	John Young	20.00%	1	5
17	Vandervell Products	16.88%	13	77
18	John Zink	16.67%	2	12
18	John Coombs	16.67%	1	6
20	Gilby Engineering	13.51%	5	37
21	ADAC	12.50%	1	8
21	Murrell Belanger	12.50%	1	8
23	Team Lotus	12.05%	27	224
24	Scuderia Ferrari	11.75%	39	332
25	Scuderia Lancia	11.11%	2	18
	Emmanuel de Graffenried	11.11%	1	9
	Rennkollektiv EMW	11.11%	1	9
28	Gold Leaf Team Lotus	10.38%	11	106
29	J.C. Agajanian	10.00%	1	10
30	Officine Alfieri Maserati	8.41%	18	214
31	Scuderia Ferrari SpA SEFAC	7.89%	18	228
32	R.R.C. Walker Racing Team	7.32%	9	123
33	Brabham Racing Organisation	7.30%	10	137
34	Gould's Garage (Bristol)	7.14%	2	28
35	Leslie Marr	6.67%	1	15
35	Prince Bira	6.67%	1	15
37	Cooper Car Co	6.35%	16	252
38	Motor Racing Developments	5.08%	3	59
39	Owen Racing Organisation	5.07%	14	276
40	Honda Racing	4.55%	1	22
40	Honda R&D Co	4.55%	1	22
42	Yardley Team BRM	4.05%	3	74
43	Tyrrell Racing Organisation	4.00%	1	25
44	Bob Gerard	3.70%	1	27
45	Bruce McLaren Motor Racing	3.51%	4	114
46	Connaught Engineering	3.17%	2	63
47	Porsche System Engineering	3.03%	1	33
48	Rob Walker/Jack Durlacher Racing	2.94%	1	34
49	Anglo American Racers	2.86%	1	35
50	Equipe Gordini	1.66%	3	181
51	Ecurie Rosier	1.16%	1	86

Finishing position: