7th Place Finish Ratio

until 2012 United States 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	Engine Manufacturer	7th Place Finish Ratio	7th Place Finishes	Entries
1	Chrysler	100.00%	1	1
1	TM	100.00%	1	1
3	Buick	33.33%	1	3
4	Singer	20.00%	1	5
5	Panhard	16.67%	1	6
5	Vincent	16.67%	1	6
7	Citroën	11.76%	2	17
8	Delahaye	11.45%	15	131
9	Playlife	11.22%	11	98
10	Milano	11.11%	1	9
11	Lotus	10.34%	9	87
12	Porsche	10.27%	19	185
13	Mugen-Honda	9.52%	28	294
14	Mecachrome	9.38%	3	32
15	FVC	8.49%	9	106
16	Petronas	7.84%	24	306
17	Talbot	7.32%	6	82
18	Delage	6.94%	5	72
19	Frazer-Nash	6.38%	3	47
20	Matra	5.95%	11	185
21	BMW	5.89%	51	866
22	Mercedes	5.82%	58	996
23	Chevrolet	5.74%	26	453
24	Toyota	5.66%	26	459
25	Vanwall	5.56%	5	90
25	Jaguar	5.56%	1	18
27	Climax	5.33%	112	2100
28	Megatron	5.32%	5	94
29	Butterworth	5.26%	1	19
30	Maserati	5.19%	86	1658
31	Alta	4.91%	19	387
32	JAP	4.88%	2	41
33	Simca-Gordini	4.79%	8	167
34	Peugeot	4.63%	12	259
35	TAG	4.44%	6	135
36	Talbot-Lago	4.42%	15	339
37	Gordini	4.31%	10	232
38	Yamaha	4.23%	11	260
39	Renault	4.20%	73	1738
40	Lea-Francis	4.17%	5	120
41	MG	4.08%	2	49
42	Alfa Romeo	4.07%	32	786
43	ERA	3.96%	9	227
44	Riley	3.70%	2	54
45	Honda	3.68%	33	897
46	Bugatti	3.64%	2	55
47	Connaught	3.62%	5	138
48	BRM	3.60%	41	1139
49	Ford	3.58%	247	6904
50	OSCA	3.57%	2	56
51	Lamborghini	3.12%	8	256
	Ilmor	3.12%	5	160
	Borgward	3.12%	1	32
54	Supertec	3.06%	3	98
55	Cosworth	3.00%	52	1735
56	Judd	2.98%	12	403
57	Bristol	2.97%	9	303
58	Asiatech	2.94%	2	68
	Francis	2.94%	1	34
	Simca	2.94%	1	34
61	Zakspeed	2.88%	3	104
62	Ferrari	2.88%	86	2983
63	Lancia	2.86%	1	35
64	Aston Martin	2.78%	1	36
65	Repco	2.76%	5	181
66	Veritas	2.30%	2	87
67	Hart	2.07%	8	387
68	Cisitalia	1.71%	2	117
69	Arrows	1.56%	1	64

Finishing position: