Disqualification Ratio

until 1998 Canadian 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	2.96%	27	912
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	Benetton	1.49%	6	402
18	Surtees	1.02%	5	488
19	Gordini	0.90%	2	222
20	McLaren	0.86%	12	1390
21	Cisitalia	0.85%	1	118
22	Osella	0.79%	2	254
23	Dallara	0.69%	1	144
24	March	0.66%	5	757
25	Chevron	0.66%	1	152
26	Ligier	0.65%	4	615
27	BRM	0.63%	5	797
28	Lotus	0.60%	14	2320
29	Brabham	0.58%	8	1391
30	Williams	0.57%	4	702
31	Sauber	0.56%	1	177
32	Ferrari	0.52%	10	1933
33	Footwork	0.52%	1	194
33	Kurtis Kraft	0.52%	1	194
35	Minardi	0.48%	2	418
36	Jordan	0.41%	1	242
37	Shadow	0.38%	1	262
38	Maserati	0.29%	4	1393
39	Arrows	0.22%	1	456
40	Cooper	0.19%	3	1579
41	Lola	0.16%	1	615

Finishing position: