Highest Retirement Ratio

Include non-championship races

Finishing position:

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Pos	Car Manufacturer	Retirement Ratio	Retirements	Races
1	Bromme	100.00%	5	5
	Pawl	100.00%	4	4
	Adams	100.00%	2	2
	Ferguson	100.00%	2	2
	Christensen	100.00%	2	2
	Nacke	100.00%	1	1
	Tec-Mec	100.00%	1	1
	Klenk	100.00%	1	1
	Elder	100.00%	1	1
	Balsa	100.00%	1	1
	Hall	100.00%	1	1
	Turner	100.00%	1	1
	Sutton	100.00%	1	1
	Derrington-Francis	100.00%	1	1
	Shannon	100.00%	1	1
	Politoys	100.00%	1	1
	Bugatti	100.00%	1	1
	Snowberger	100.00%	1	1
	Greifzu	100.00%	1	1
	Milano	100.00%	1	1
	EMW	100.00%	1	1
	Del Roy	100.00%	1	1
23	ATS (Ita)	80.00%	8	10
24	Schroeder	75.00%	6	8
	Aston	75.00%	3	4
	Nichels	75.00%	3	4
27	Lancia	72.72%	8	11
28	De Tomaso	72.22%	13	18
29	Simca-Gordini	68.96%	20	29
30	Eagle	68.57%	24	35
31	Scirocco	66.66%	6	9
	JBW	66.66%	4	6
	Alta	66.66%	4	6
	Ewing	66.66%	2	3
	Dunn	66.66%	2	3
36	Tecno	64.28%	9	14
37	Connaught	64.15%	34	53
38	Deidt	62.50%	5	8
39	ERA	61.53%	8	13
40	Veritas	61.11%	11	18
41	Vanwall	60.56%	43	71
42	Scarab	60.00%	6	10
43	Gordini	59.61%	62	104
44	Venturi	59.37%	19	32
45	Stewart	58.16%	57	98
46	Leyton House	57.81%	37	64
47		57.14%	4	7
48	Spirit	56.00%	14	25
49	AFM	55.55%	5	9
50	Simtek	55.00%	22	40
51	RAM	54.79%	40	73
52	Watson	54.54%	12	22
53	Wolf	53.70%	29	54
54	Toleman	52.67%	69	131
55	HWM	52.08%	25	48
56	Pacific	51.51%	34	66
57	Iso Marlboro	50.87%	29	57
58	Lola	50.71%	142	280
59	Osella	50.59%	128	253
60	Forti	50.00%	27	54
	LDS	50.00%	4	8
	Monteverdi	50.00%	2	4
	Frazer-Nash	50.00%	2	4
	Token	50.00%	2	4
	De Klerk	50.00%	1	2
	Marchese	50.00%	1	2
	Pankratz	50.00%	1	2
	Connew	50.00%	1	2
	Pearce	50.00%	1	2
70	Minardi	49.70%	336	676
71	Dallara	48.61%	70	144
72	Larrousse	48.43%	31	64
73	Talbot-Lago	48.19%	40	83
74	Kurtis Kraft	48.00%	108	225
75	Fondmetal	47.61%	20	42
76	Maserati	47.50%	209	440
77	Brabham	47.24%	471	997
78	BRM	47.23%	265	561
79	March	46.45%	269	579
80	Footwork	45.87%	89	194
81	Arrows	45.76%	270	590
82	Prost	45.18%	75	166
83	Shadow	44.16%	106	240
84	Parnelli	43.75%	7	16
85	Jaguar	43.52%	74	170
86	Zakspeed	43.38%	59	136
87	Ligier	43.23%	265	613
88	ATS	43.15%	63	146
89	Hill	42.85%	9	21
89	Emeryson	42.85%	3	7
91	Jordan	42.43%	213	502
92	BRP	42.10%	8	19
93	Ensign	42.03%	66	157
94	Cooper	41.32%	219	530
95	Spyker	41.17%	14	34
96	Lotus	41.05%	645	1571
97	Tyrrell	40.95%	362	884
98	Lesovsky	40.00%	6	15
99	Penske	39.13%	18	46
100	BAR	38.55%	91	236
101	Surtees	37.93%	99	261
102	Kuzma	37.50%	15	40
	Boro	37.50%	3	8
	Trojan	37.50%	3	8
	Eifelland	37.50%	3	8
106	Super Aguri	37.17%	29	78
107	Midland	36.11%	13	36
108	Hesketh	36.08%	35	97
109	Alfa Romeo	35.19%	164	466
110	Theodore	34.37%	22	64
111	Fittipaldi	33.97%	53	156
112	Benetton	33.65%	175	520
113	Trevis	33.33%	2	6
	Gilby	33.33%	2	6
	Bellasi	33.33%	2	6
	Kojima	33.33%	1	3
	Rebaque	33.33%	1	3
118	Honda	32.23%	49	152
119	Renault	31.72%	250	788
120	Merzario	31.25%	10	32
121	Sauber	30.67%	242	789
122	Matra	30.50%	36	118
123	Virgin	30.26%	23	76
124	Stevens	30.00%	3	10
125	Epperly	29.41%	5	17
126	Onyx	29.16%	14	48
127	Phillips	28.57%	2	7
128	Wolf-Williams	28.00%	7	25
129	Hispania	27.58%	32	116
130	OSCA	27.27%	3	11
131	Toyota	26.69%	75	281
132	McLaren	26.01%	547	2103
133	Ferrari	25.77%	647	2510
134	Williams	25.31%	445	1758
135	Toro Rosso	24.81%	133	536
136	Rial	22.91%	11	48
137	AGS	21.77%	27	124
138	Caterham	20.53%	23	112
139	LEC	20.00%	1	5
139	Amon	20.00%	1	5
141	Porsche	19.73%	15	76
142	Manor	19.04%	8	42
143	Force India	16.98%	72	424
144	Cadillac	16.66%	1	6
145	EuroBrun	15.78%	12	76
146	Haas	15.19%	69	454
147	Red Bull	15.00%	128	853
148	Martini	14.28%	1	7
149	BMW	13.57%	19	140
150	Racing Point	13.15%	10	76
151	Aston Martin	13.12%	34	259
152	Coloni	12.34%	10	81
153	Alpine	11.83%	29	245
154	AlphaTauri	11.76%	20	170
154	RB	11.76%	6	51
156	Marussia	11.48%	17	148
157	Mercedes	10.11%	72	712
158	Kick Sauber	9.90%	10	101
159	Racing Bulls	8.92%	5	56
160	Lambo	6.25%	2	32
160	Andrea Moda	6.25%	1	16
162	Brawn	5.88%	2	34

Finishing position:

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