Retirement Ratio

1961 Dutch GP
1962 Monaco GP

until 1961 Monaco GP

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

Finishing position:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ret dsq dpts cpts

Pos	Engine Manufacturer	Retirement Ratio	Retirements	Entries
1	Emeryson	100.00%	3	3
	Lotus	100.00%	3	3
	Corvette	100.00%	2	2
	Platè	100.00%	2	2
	Studebaker	100.00%	2	2
	Ardun	100.00%	1	1
	Austin	100.00%	1	1
	CTA	100.00%	1	1
	Dodge	100.00%	1	1
	Giaur	100.00%	1	1
	GK	100.00%	1	1
	Guyot	100.00%	1	1
	Jicey	100.00%	1	1
	Lombard	100.00%	1	1
	MacKay	100.00%	1	1
	Orley	100.00%	1	1
	Patterson	100.00%	1	1
	Pozzoli	100.00%	1	1
	PS	100.00%	1	1
	Stanguellini	100.00%	1	1
	Summer	100.00%	1	1
22	AFM	87.50%	7	8
23	Hudson	75.00%	3	4
24	Francis	61.76%	21	34
25	Salmson	60.00%	9	15
	Scarab	60.00%	6	10
	Chevrolet	60.00%	3	5
	Singer	60.00%	3	5
29	Citroën	58.82%	10	17
30	Vanwall	56.67%	51	90
31	Milano	55.56%	5	9
32	Veritas	55.17%	48	87
33	BRM	52.63%	80	152
34	Lancia	51.43%	18	35
35	Talbot	50.00%	41	82
	Fiat	50.00%	9	18
	Plate	50.00%	4	8
	Steyr	50.00%	2	4
	Allard	50.00%	1	2
	BNC	50.00%	1	2
	de Coucy	50.00%	1	2
	Monaci	50.00%	1	2
	Offenhauser	50.00%	1	2
44	Simca-Gordini	49.70%	83	167
45	Gordini	49.14%	114	232
46	Bugatti	49.09%	27	55
47	Jaguar	47.06%	8	17
48	JAP	43.90%	18	41
49	Maserati	42.98%	631	1468
50	Cisitalia	42.74%	50	117
51	MG	41.67%	20	48
52	Kuchen	40.00%	4	10
52	Castellotti	40.00%	2	5
54	Alta	38.76%	150	387
55	Kollektiv	37.50%	3	8
56	ERA	37.00%	84	227
57	Butterworth	36.84%	7	19
58	Amilcar	36.00%	9	25
59	Borgward	35.71%	5	14
60	BMW	35.29%	60	170
61	Riley	35.19%	19	54
62	Aston Martin	34.29%	12	35
63	Frazer-Nash	34.04%	16	47
64	Buick	33.33%	1	3
	Cadillac	33.33%	1	3
	Lycoming	33.33%	1	3
	Rapier	33.33%	1	3
	Speluzzi	33.33%	1	3
69	Mercedes	32.56%	14	43
70	Delage	31.94%	23	72
71	Ferrari	31.92%	264	827
72	Talbot-Lago	31.27%	106	339
73	Climax	30.68%	235	766
74	DB	30.00%	3	10
75	Simca	29.41%	10	34
76	Rover	28.57%	2	7
77	OSCA	27.27%	12	44
78	Alfa Romeo	26.16%	45	172
79	Bristol	25.58%	77	301
80	Alvis	25.00%	1	4
80	Lagonda	25.00%	1	4
82	Lea-Francis	24.17%	29	120
83	Delahaye	22.90%	30	131
84	Porsche	22.22%	8	36
85	Connaught	21.01%	29	138
86	Vincent	20.00%	1	5
87	Ford	19.23%	5	26
88	Panhard	16.67%	1	6
89	Peugeot	7.14%	1	14

Finishing position:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ret dsq dpts cpts