13th Place Finish Ratio

until 1974 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
	HW	14.29%	1	7
	McRae	14.29%	1	7
7	Ensign	12.50%	1	8
8	Eifelland	11.11%	1	9
9	Kuzma	10.81%	4	37
10	Aiden-Cooper	7.69%	1	13
11	JBW	6.25%	1	16
12	Shadow	4.44%	2	45
13	Turner	4.35%	1	23
14	Honda	4.17%	2	48
15	HAR	4.00%	1	25
16	Aston Martin	3.85%	1	26
17	Porsche	3.82%	6	157
18	Gilby	3.33%	1	30
19	March	2.50%	8	320
20	MG	2.17%	1	46
21	Kurtis Kraft	2.06%	4	194
22	LDS	2.00%	3	150
23	Chevron	1.96%	1	51
24	Bugatti	1.79%	1	56
25	ERA	1.75%	4	229
26	Lola	1.73%	5	289
27	BRM	1.50%	11	733
28	McLaren	1.46%	7	479
29	Cooper	1.46%	23	1579
30	Delage	1.39%	1	72
31	Alta	1.30%	1	77
32	Talbot-Lago	1.19%	5	420
33	BMW	1.12%	1	89
33	Veritas	1.12%	1	89
35	Lotus	1.10%	17	1550
36	Brabham	1.06%	8	755
37	Connaught	0.93%	3	323
38	Tyrrell	0.93%	1	108
39	Surtees	0.78%	2	256
40	Matra	0.74%	1	135
41	HWM	0.56%	1	179
42	Ferrari	0.52%	6	1163
43	Gordini	0.45%	1	222
44	Maserati	0.29%	4	1393

Finishing position: