Race Win Ratio

until 1958 Argentine 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	George Salih	100.00%	1	1
2	BSG Motor	50.00%	2	4
	John Riseley-Prichard	50.00%	2	4
	Kurtis Kraft Inc	50.00%	1	2
5	Howard Keck Co	40.00%	2	5
6	John Zink	28.57%	2	7
7	Stirling Moss Ltd	26.67%	4	15
8	Scuderia Ambrosiana	26.32%	5	19
9	Daimler Benz AG	23.81%	10	42
10	Alfa Romeo SpA	22.92%	11	48
11	John Young	20.00%	1	5
12	John Coombs	16.67%	1	6
13	Gilby Engineering	15.62%	5	32
14	Vandervell Products	14.29%	7	49
15	Scuderia Ferrari	13.77%	34	247
16	Cooper Car Co	12.90%	4	31
17	ADAC	12.50%	1	8
17	Murrell Belanger	12.50%	1	8
19	Scuderia Lancia	11.11%	2	18
	Emmanuel de Graffenried	11.11%	1	9
	J.C. Agajanian	11.11%	1	9
	Rennkollektiv EMW	11.11%	1	9
23	R.R.C. Walker Racing Team	10.00%	2	20
24	Officine Alfieri Maserati	8.41%	18	214
25	Gould's Garage (Bristol)	7.14%	2	28
26	Leslie Marr	6.67%	1	15
	Prince Bira	6.67%	1	15
	Team Lotus	6.67%	1	15
29	Bob Gerard	3.70%	1	27
30	Owen Racing Organisation	3.45%	1	29
31	Connaught Engineering	3.17%	2	63
32	Equipe Gordini	1.66%	3	181
33	Ecurie Rosier	1.16%	1	86

Finishing position: