Race Win Ratio

until 1959 Indianapolis 500

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	Leader Cards Inc	100.00%	1	1
2	George Salih	66.67%	2	3
3	BSG Motor	50.00%	2	4
	John Riseley-Prichard	50.00%	2	4
	Kurtis Kraft Inc	50.00%	1	2
6	Howard Keck Co	40.00%	2	5
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 Zink	18.18%	2	11
13	Vandervell Products	17.33%	13	75
14	John Coombs	16.67%	1	6
15	Gilby Engineering	15.62%	5	32
16	Scuderia Ferrari	12.77%	36	282
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	9.38%	3	32
24	Cooper Car Co	8.93%	5	56
25	Officine Alfieri Maserati	8.41%	18	214
26	Gould's Garage (Bristol)	7.14%	2	28
27	Leslie Marr	6.67%	1	15
27	Prince Bira	6.67%	1	15
29	Bob Gerard	3.70%	1	27
30	Connaught Engineering	3.17%	2	63
31	Team Lotus	2.86%	1	35
32	Owen Racing Organisation	1.82%	1	55
33	Equipe Gordini	1.66%	3	181
34	Ecurie Rosier	1.16%	1	86

Finishing position: