13th Place Finish Ratio

until 1973 Brazilian 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	13th Place Finish Ratio	13th Place Finishes	Entries
1	Willment	50.00%	1	2
2	Dunn	33.33%	1	3
3	Trevis	16.67%	1	6
4	RRA	14.29%	2	14
4	HW	14.29%	1	7
6	Eifelland	11.11%	1	9
7	Kuzma	10.81%	4	37
8	Aiden-Cooper	7.69%	1	13
9	JBW	6.25%	1	16
10	Turner	4.35%	1	23
11	Honda	4.17%	2	48
12	HAR	4.00%	1	25
13	Aston Martin	3.85%	1	26
14	Porsche	3.82%	6	157
15	Gilby	3.33%	1	30
16	March	3.11%	8	257
17	MG	2.17%	1	46
18	Kurtis Kraft	2.06%	4	194
19	LDS	2.00%	3	150
20	Lola	1.92%	5	261
21	Bugatti	1.79%	1	56
22	ERA	1.75%	4	229
23	McLaren	1.49%	6	404
24	Cooper	1.46%	23	1579
25	Delage	1.39%	1	72
26	BRM	1.32%	9	682
27	Alta	1.30%	1	77
28	Talbot-Lago	1.19%	5	420
29	Brabham	1.14%	8	701
30	BMW	1.12%	1	89
30	Veritas	1.12%	1	89
32	Lotus	1.06%	16	1503
33	Connaught	0.93%	3	323
34	Matra	0.74%	1	135
35	HWM	0.56%	1	179
36	Surtees	0.55%	1	183
37	Ferrari	0.52%	6	1144
38	Gordini	0.45%	1	222
39	Maserati	0.29%	4	1393

Finishing position: