Disqualification Ratio

until 2006 French 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	Car Manufacturer	Disqualification Ratio	Disqualifications	Entries
1	Baird	33.33%	1	3
2	Jicey	20.00%	2	10
3	Boro	12.50%	1	8
4	McRae	7.69%	1	13
5	OSCA	5.56%	2	36
5	Parnelli	5.56%	1	18
7	Eagle	5.26%	2	38
8	Venturi	3.12%	1	32
9	Tyrrell	2.90%	27	930
10	ATS	2.70%	4	148
11	EuroBrun	2.63%	2	76
12	Zakspeed	2.21%	3	136
13	Onyx	2.08%	1	48
14	Ensign	1.79%	3	168
15	Penske	1.69%	1	59
16	Pacific	1.52%	1	66
17	BAR	1.27%	3	236
18	Toyota	1.23%	2	163
19	Benetton	1.15%	6	520
20	Surtees	1.02%	5	488
21	Stewart	1.02%	1	98
22	Gordini	0.90%	2	222
23	Cisitalia	0.85%	1	118
24	McLaren	0.84%	14	1670
25	Osella	0.79%	2	254
26	Williams	0.71%	7	982
27	Dallara	0.69%	1	144
28	Arrows	0.67%	4	598
29	March	0.66%	5	757
30	Chevron	0.66%	1	152
31	Ligier	0.65%	4	615
32	BRM	0.63%	5	797
33	Lotus	0.60%	14	2320
34	Prost	0.60%	1	166
35	Brabham	0.58%	8	1391
36	Footwork	0.52%	1	194
36	Kurtis Kraft	0.52%	1	194
38	Sauber	0.46%	2	435
39	Ferrari	0.45%	10	2213
40	Jordan	0.40%	2	500
41	Shadow	0.38%	1	262
42	Minardi	0.30%	2	676
43	Maserati	0.29%	4	1393
44	Cooper	0.19%	3	1579
45	Lola	0.16%	1	615

Finishing position: