13th Place Finish Ratio

until 1975 Belgian 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	Lyncar	20.00%	1	5
4	Trevis	16.67%	1	6
5	RRA	14.29%	2	14
	Fittipaldi	14.29%	1	7
	HW	14.29%	1	7
	McRae	14.29%	1	7
9	Eifelland	11.11%	1	9
10	Kuzma	10.81%	4	37
11	Aiden-Cooper	7.69%	1	13
12	JBW	6.25%	1	16
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
16	Ensign	3.85%	1	26
18	Porsche	3.82%	6	157
19	Shadow	3.45%	3	87
20	Gilby	3.33%	1	30
21	March	2.45%	9	368
22	Lola	2.34%	8	342
23	MG	2.17%	1	46
24	Kurtis Kraft	2.06%	4	194
25	LDS	2.00%	3	150
26	Bugatti	1.79%	1	56
27	ERA	1.75%	4	229
28	Cooper	1.46%	23	1579
29	BRM	1.41%	11	780
30	Delage	1.39%	1	72
31	McLaren	1.37%	8	585
32	Alta	1.30%	1	77
33	Lotus	1.21%	20	1648
34	Talbot-Lago	1.19%	5	420
35	BMW	1.12%	1	89
35	Veritas	1.12%	1	89
37	Brabham	1.07%	9	842
38	Chevron	0.97%	1	103
39	Connaught	0.93%	3	323
40	Surtees	0.93%	3	324
41	Matra	0.74%	1	135
42	Tyrrell	0.64%	1	156
43	HWM	0.56%	1	179
44	Ferrari	0.50%	6	1204
45	Gordini	0.45%	1	222
46	Maserati	0.29%	4	1393

Finishing position: