Retirement Ratio

1964 Mediterranean GP
1964 Austrian GP
1965 German GP

until 1964 German GP

Ignore 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
	Cummins	100.00%	2	2
	Platè	100.00%	2	2
	Studebaker	100.00%	2	2
	Ardun	100.00%	1	1
	Ausper	100.00%	1	1
	CTA	100.00%	1	1
	Dodge	100.00%	1	1
	Eclipse	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
	Ricardian	100.00%	1	1
	Stanguellini	100.00%	1	1
	Summer	100.00%	1	1
	Vitesse	100.00%	1	1
25	AFM	87.50%	7	8
26	ATS (Ita)	80.00%	8	10
27	Hudson	75.00%	3	4
28	Corvette	66.67%	2	3
29	Francis	61.76%	21	34
30	Salmson	60.00%	9	15
	Novi	60.00%	6	10
	Singer	60.00%	3	5
33	Citroën	58.82%	10	17
34	Vanwall	56.67%	51	90
35	Milano	55.56%	5	9
36	Veritas	55.17%	48	87
37	Scarab	54.55%	6	11
38	Offenhauser	53.12%	187	352
39	Lancia	51.43%	18	35
40	Talbot	50.00%	41	82
	Jaguar	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
48	Simca-Gordini	49.70%	83	167
49	Gordini	49.14%	114	232
50	Bugatti	49.09%	27	55
51	Fiat	47.37%	9	19
52	JAP	43.90%	18	41
53	Chevrolet	42.86%	3	7
54	Cisitalia	42.74%	50	117
55	Maserati	42.25%	654	1548
56	BRM	41.20%	192	466
57	MG	40.82%	20	49
58	Kuchen	40.00%	4	10
58	Castellotti	40.00%	2	5
60	Alta	38.76%	150	387
61	Kollektiv	37.50%	3	8
62	ERA	37.00%	84	227
63	Butterworth	36.84%	7	19
64	Amilcar	36.00%	9	25
65	BMW	35.29%	60	170
66	Riley	35.19%	19	54
67	Frazer-Nash	34.04%	16	47
68	Aston Martin	33.33%	12	36
	Borgward	33.33%	10	30
	Austin	33.33%	1	3
	BMC	33.33%	1	3
	Buick	33.33%	1	3
	Cadillac	33.33%	1	3
	Rapier	33.33%	1	3
	Speluzzi	33.33%	1	3
76	Climax	33.23%	562	1691
77	Mercedes	32.56%	14	43
78	Delage	31.94%	23	72
79	Ferrari	31.90%	296	928
80	Talbot-Lago	31.27%	106	339
81	DB	30.00%	3	10
82	Alfa Romeo	29.41%	70	238
82	Simca	29.41%	10	34
84	Rover	28.57%	2	7
85	OSCA	26.79%	15	56
86	Bristol	25.41%	77	303
87	Cosworth	25.00%	2	8
	Alvis	25.00%	1	4
	Lagonda	25.00%	1	4
	Lycoming	25.00%	1	4
91	Lea-Francis	24.17%	29	120
92	Ford	24.10%	20	83
93	Delahaye	22.90%	30	131
94	Connaught	21.01%	29	138
95	Porsche	16.86%	29	172
96	Panhard	16.67%	1	6
96	Vincent	16.67%	1	6
98	Peugeot	11.76%	2	17

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