Disqualification Ratio

until 1989 Mexican 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	EuroBrun	5.56%	2	36
	OSCA	5.56%	2	36
	Parnelli	5.56%	1	18
8	Eagle	5.26%	2	38
9	Tyrrell	3.75%	23	614
10	ATS	2.70%	4	148
11	Zakspeed	2.68%	3	112
12	Benetton	1.92%	2	104
13	Ensign	1.79%	3	168
14	Penske	1.69%	1	59
15	Surtees	1.02%	5	488
16	Osella	0.93%	2	214
17	McLaren	0.92%	10	1092
18	Gordini	0.90%	2	222
19	Cisitalia	0.85%	1	118
20	Minardi	0.83%	1	120
21	Chevron	0.66%	1	152
22	Lotus	0.66%	14	2136
23	BRM	0.63%	5	797
24	Brabham	0.62%	8	1282
25	March	0.57%	4	701
26	Ligier	0.55%	2	365
27	Kurtis Kraft	0.52%	1	194
28	Williams	0.49%	2	405
29	Ferrari	0.49%	8	1636
30	Shadow	0.38%	1	262
31	Maserati	0.29%	4	1393
32	Arrows	0.28%	1	352
33	Lola	0.20%	1	497
34	Cooper	0.19%	3	1579

Finishing position: