Disqualification Ratio

until 1988 Mexican GP

Include 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	EuroBrun	25.00%	2	8
3	Jicey	20.00%	2	10
4	Boro	12.50%	1	8
5	McRae	7.69%	1	13
6	OSCA	5.56%	2	36
6	Parnelli	5.56%	1	18
8	Eagle	5.26%	2	38
9	Tyrrell	3.95%	23	582
10	ATS	2.70%	4	148
11	Zakspeed	2.50%	2	80
12	Ensign	1.79%	3	168
13	Penske	1.69%	1	59
14	Minardi	1.14%	1	88
15	Surtees	1.02%	5	488
16	McLaren	0.94%	10	1060
17	Gordini	0.90%	2	222
18	Cisitalia	0.85%	1	118
19	Lotus	0.67%	14	2104
20	Chevron	0.66%	1	152
21	Brabham	0.63%	8	1274
22	BRM	0.63%	5	797
23	March	0.60%	4	669
24	Williams	0.54%	2	373
25	Osella	0.52%	1	194
26	Ferrari	0.50%	8	1604
27	Shadow	0.38%	1	262
28	Arrows	0.31%	1	320
29	Ligier	0.30%	1	333
30	Maserati	0.29%	4	1390
31	Lola	0.22%	1	465
32	Cooper	0.19%	3	1579

Finishing position: