13th 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	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	Honda	11.76%	2	17
7	Kuzma	10.81%	4	37
8	Aiden-Cooper	7.69%	1	13
9	JBW	6.25%	1	16
10	LDS	4.76%	3	63
11	Turner	4.35%	1	23
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	Brabham	2.41%	6	249
17	MG	2.17%	1	46
18	Kurtis Kraft	2.06%	4	194
19	BRM	1.88%	7	373
20	Bugatti	1.79%	1	56
21	ERA	1.75%	4	229
22	Cooper	1.63%	23	1413
23	Delage	1.39%	1	72
24	Lola	1.32%	1	76
25	Alta	1.30%	1	77
26	Lotus	1.24%	13	1046
27	Talbot-Lago	1.19%	5	420
28	BMW	1.12%	1	89
28	Veritas	1.12%	1	89
30	Connaught	0.93%	3	323
31	HWM	0.56%	1	179
32	Gordini	0.45%	1	222
33	Ferrari	0.31%	3	971
34	Maserati	0.29%	4	1393

Finishing position: