10th Place Finish Ratio

until 1965 South African 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	Car Manufacturer	10th Place Finish Ratio	10th Place Finishes	Entries
1	Magda	100.00%	1	1
2	Elfin	50.00%	1	2
2	Milano	50.00%	1	2
4	Aitken	25.00%	1	4
5	Behra-Porsche	20.00%	1	5
6	De Klerk	16.67%	1	6
6	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	Fiat	10.00%	1	10
12	Simca	9.68%	3	31
13	Scarab	9.09%	1	11
14	Aiden-Cooper	7.69%	1	13
15	BRP	6.90%	2	29
16	DB	6.25%	2	32
17	Ford	4.76%	1	21
18	Porsche	4.49%	7	156
19	MG	4.35%	2	46
20	AFM	4.26%	2	47
21	Amilcar	4.00%	1	25
22	Bugatti	3.57%	2	56
23	Gilby	3.33%	1	30
24	Connaught	3.10%	10	323
25	Delahaye	3.05%	4	131
26	Lotus	3.00%	28	934
27	Talbot-Lago	2.86%	12	420
28	Cooper	2.84%	38	1336
29	HWM	2.79%	5	179
30	OSCA	2.78%	1	36
31	LDS	2.63%	1	38
32	Alta	2.60%	2	77
33	Emeryson	2.56%	2	78
34	Brabham	2.40%	3	125
35	Simca-Gordini	2.25%	4	178
35	Vanwall	2.25%	2	89
37	Maserati	2.16%	30	1390
38	Alfa Romeo	2.00%	3	150
39	BRM	1.55%	5	322
40	Ferrari	1.39%	13	935
41	Gordini	1.35%	3	222
42	Lola	1.33%	1	75
43	BMW	1.12%	1	89
43	Veritas	1.12%	1	89
45	ERA	0.87%	2	229

Finishing position: