13th Place Finish Ratio

until 1972 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	Eifelland	50.00%	1	2
1	Willment	50.00%	1	2
3	Dunn	33.33%	1	3
4	Trevis	16.67%	1	6
5	RRA	14.29%	2	14
5	HW	14.29%	1	7
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	MG	2.17%	1	46
17	Kurtis Kraft	2.06%	4	194
18	LDS	2.00%	3	150
19	Bugatti	1.79%	1	56
20	ERA	1.75%	4	229
21	March	1.66%	3	181
22	McLaren	1.62%	5	309
23	Cooper	1.46%	23	1579
24	Delage	1.39%	1	72
25	Lola	1.32%	3	227
26	Alta	1.30%	1	77
27	BRM	1.28%	8	623
28	Talbot-Lago	1.19%	5	420
29	BMW	1.12%	1	89
29	Veritas	1.12%	1	89
31	Lotus	1.10%	16	1450
32	Brabham	1.08%	7	648
33	Connaught	0.93%	3	323
34	Matra	0.80%	1	125
35	HWM	0.56%	1	179
36	Gordini	0.45%	1	222
37	Ferrari	0.45%	5	1116
38	Maserati	0.29%	4	1393

Finishing position: