9th Place Finish Ratio

until 1964 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	9th Place Finish Ratio	9th Place Finishes	Entries
1	Elios	100.00%	1	1
2	Griffin	33.33%	1	3
2	Tatra	33.33%	1	3
4	Chevrolet	28.57%	2	7
5	Hudson	25.00%	1	4
	Lagonda	25.00%	1	4
	Lycoming	25.00%	1	4
8	Peugeot	11.76%	2	17
9	Lea-Francis	6.67%	8	120
9	Salmson	6.67%	1	15
11	Ford	5.88%	5	85
	Francis	5.88%	2	34
	Simca	5.88%	2	34
14	Connaught	5.07%	7	138
15	Porsche	4.65%	8	172
16	ERA	4.41%	10	227
17	Alta	4.39%	17	387
18	BRM	3.99%	20	501
19	Delahaye	3.82%	5	131
20	Talbot	3.66%	3	82
21	Bugatti	3.64%	2	55
22	OSCA	3.57%	2	56
23	Maserati	3.49%	54	1548
24	Veritas	3.45%	3	87
25	Cisitalia	3.42%	4	117
26	Offenhauser	3.41%	12	352
27	Climax	3.37%	58	1723
28	Vanwall	3.33%	3	90
29	Bristol	3.30%	10	303
30	Gordini	3.02%	7	232
31	Delage	2.78%	2	72
31	Aston Martin	2.78%	1	36
33	Mercedes	2.33%	1	43
34	Frazer-Nash	2.13%	1	47
35	Alfa Romeo	2.10%	5	238
36	MG	2.04%	1	49
37	Ferrari	2.03%	19	935
38	Riley	1.85%	1	54
39	Talbot-Lago	1.77%	6	339
40	BMW	1.76%	3	170
41	Simca-Gordini	1.20%	2	167

Finishing position: