10th Place Finish Ratio

until 1966 ACF 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	Car Manufacturer	10th Place Finish Ratio	10th Place Finishes	Entries
1	Magda	100.00%	1	1
2	Milano	50.00%	1	2
3	Elfin	33.33%	1	3
4	Aitken	25.00%	1	4
5	Stevens	22.22%	2	9
6	Behra-Porsche	20.00%	1	5
7	Jennings	16.67%	1	6
8	RRA	14.29%	2	14
9	BKL Lotus	12.50%	1	8
10	Aston Martin	11.54%	3	26
11	De Klerk	10.00%	1	10
11	Fiat	10.00%	1	10
13	Simca	9.68%	3	31
14	Scarab	9.09%	1	11
15	Aiden-Cooper	7.69%	1	13
16	BRP	6.67%	2	30
16	Lesovsky	6.67%	1	15
18	DB	6.25%	2	32
19	Ford	4.76%	1	21
20	Porsche	4.46%	7	157
21	MG	4.35%	2	46
22	AFM	4.26%	2	47
23	Amilcar	4.00%	1	25
24	Bugatti	3.57%	2	56
25	Lotus	3.35%	35	1046
26	Gilby	3.33%	1	30
27	Connaught	3.10%	10	323
28	Kurtis Kraft	3.09%	6	194
29	Delahaye	3.05%	4	131
30	Talbot-Lago	2.86%	12	420
31	HWM	2.79%	5	179
32	OSCA	2.78%	1	36
33	Cooper	2.76%	39	1413
34	Kuzma	2.70%	1	37
35	Alta	2.60%	2	77
36	Emeryson	2.56%	2	78
37	Simca-Gordini	2.25%	4	178
37	Vanwall	2.25%	2	89
39	Maserati	2.15%	30	1393
40	Alfa Romeo	2.00%	3	150
41	BRM	1.61%	6	373
42	Brabham	1.61%	4	249
43	LDS	1.59%	1	63
44	Gordini	1.35%	3	222
45	Ferrari	1.34%	13	971
46	Lola	1.32%	1	76
47	BMW	1.12%	1	89
47	Veritas	1.12%	1	89
49	ERA	0.87%	2	229

Finishing position: