7th Place Finish Ratio

until 2017 Azerbaijan 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	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	TAG-Heuer	6.90%	4	58
20	Mercedes	6.66%	109	1636
21	Frazer-Nash	6.38%	3	47
22	Matra	5.95%	11	185
23	BMW	5.89%	51	866
24	Chevrolet	5.74%	26	453
25	Toyota	5.66%	26	459
26	Vanwall	5.56%	5	90
26	Jaguar	5.56%	1	18
28	Climax	5.33%	112	2100
29	Megatron	5.32%	5	94
30	Butterworth	5.26%	1	19
31	Maserati	5.19%	86	1658
32	Alta	4.91%	19	387
33	JAP	4.88%	2	41
34	Simca-Gordini	4.79%	8	167
35	Peugeot	4.63%	12	259
36	TAG	4.44%	6	135
37	Talbot-Lago	4.42%	15	339
38	Gordini	4.31%	10	232
39	Yamaha	4.23%	11	260
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	Renault	3.96%	87	2196
45	Honda	3.73%	37	993
46	Riley	3.70%	2	54
47	Bugatti	3.64%	2	55
48	Connaught	3.62%	5	138
49	BRM	3.60%	41	1139
50	Ford	3.58%	247	6904
51	OSCA	3.57%	2	56
52	Offenhauser	3.41%	12	352
53	Lamborghini	3.12%	8	256
	Ilmor	3.12%	5	160
	Borgward	3.12%	1	32
56	Supertec	3.06%	3	98
57	Judd	2.98%	12	403
58	Bristol	2.97%	9	303
59	Asiatech	2.94%	2	68
	Francis	2.94%	1	34
	Simca	2.94%	1	34
62	Cosworth	2.93%	52	1777
63	Zakspeed	2.88%	3	104
64	Lancia	2.86%	1	35
65	Ferrari	2.82%	100	3542
66	Aston Martin	2.78%	1	36
67	Repco	2.76%	5	181
68	Veritas	2.30%	2	87
69	Hart	2.07%	8	387
70	Cisitalia	1.71%	2	117
71	Arrows	1.56%	1	64

Finishing position: