7th Place Finish Ratio

until 1978 United States 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	Peugeot	13.79%	4	29
8	Citroën	11.76%	2	17
9	Delahaye	11.45%	15	131
10	Milano	11.11%	1	9
11	Porsche	10.98%	19	173
12	Lotus	10.34%	9	87
13	FVC	8.49%	9	106
14	Matra	7.76%	9	116
15	Talbot	7.32%	6	82
16	Delage	6.94%	5	72
17	Frazer-Nash	6.38%	3	47
18	Chevrolet	5.83%	25	429
19	Vanwall	5.56%	5	90
19	Jaguar	5.56%	1	18
21	Climax	5.33%	112	2100
22	Butterworth	5.26%	1	19
23	Maserati	5.19%	86	1658
24	Alfa Romeo	5.01%	22	439
25	BMW	4.95%	9	182
26	Alta	4.91%	19	387
27	JAP	4.88%	2	41
28	Simca-Gordini	4.79%	8	167
29	Talbot-Lago	4.42%	15	339
30	Gordini	4.31%	10	232
31	Lea-Francis	4.17%	5	120
32	MG	4.08%	2	49
33	ERA	3.96%	9	227
34	Ford	3.96%	129	3261
35	Riley	3.70%	2	54
36	Bugatti	3.64%	2	55
37	Connaught	3.62%	5	138
38	BRM	3.61%	41	1136
39	OSCA	3.57%	2	56
40	Offenhauser	3.41%	12	352
41	Borgward	3.12%	1	32
42	Ferrari	2.97%	39	1313
42	Bristol	2.97%	9	303
44	Francis	2.94%	1	34
44	Simca	2.94%	1	34
46	Lancia	2.86%	1	35
47	Cosworth	2.84%	22	774
48	Aston Martin	2.78%	1	36
49	Repco	2.76%	5	181
50	Mercedes	2.33%	1	43
51	Veritas	2.30%	2	87
52	Honda	2.08%	1	48
53	Cisitalia	1.71%	2	117

Finishing position: