Disqualification Ratio

until 2005 Australian 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	Engine Manufacturer	Disqualification Ratio	Disqualifications	Entries
1	Griffin	33.33%	1	3
2	BDA	6.25%	1	16
2	Osella	6.25%	1	16
4	OSCA	3.57%	2	56
5	Zakspeed	2.88%	3	104
6	Veritas	2.30%	2	87
7	TAG	2.22%	3	135
8	Toyota	1.89%	2	106
9	Arrows	1.56%	1	64
10	Yamaha	1.54%	4	260
11	Motori Moderni	1.25%	1	80
12	Repco	1.10%	2	181
13	Megatron	1.06%	1	94
14	Ford	1.01%	70	6904
15	Gordini	0.86%	2	232
16	Cisitalia	0.85%	1	117
17	BMW	0.72%	5	690
18	Climax	0.62%	13	2100
19	Honda	0.59%	4	681
20	BRM	0.53%	6	1139
21	Hart	0.52%	2	387
22	Mercedes	0.49%	2	410
23	Renault	0.45%	5	1116
24	Ferrari	0.44%	10	2256
25	Chevrolet	0.44%	2	453
26	Cosworth	0.40%	5	1249
27	Lamborghini	0.39%	1	256
28	Peugeot	0.39%	1	259
29	Petronas	0.37%	1	270
30	Mugen-Honda	0.34%	1	294
31	Offenhauser	0.28%	1	352
32	Judd	0.25%	1	403
33	Maserati	0.24%	4	1658
34	Alfa Romeo	0.13%	1	786

Finishing position: