13th Place Finish Ratio

until 1973 United States 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
	Ensign	14.29%	1	7
	HW	14.29%	1	7
	McRae	14.29%	1	7
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	4.88%	2	41
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	2.56%	8	312
20	MG	2.17%	1	46
21	Kurtis Kraft	2.06%	4	194
22	Chevron	2.04%	1	49
23	LDS	2.00%	3	150
24	Bugatti	1.79%	1	56
25	Lola	1.76%	5	284
26	ERA	1.75%	4	229
27	BRM	1.51%	11	727
28	McLaren	1.49%	7	469
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	Brabham	1.07%	8	748
36	Lotus	1.04%	16	1544
37	Connaught	0.93%	3	323
38	Surtees	0.80%	2	249
39	Matra	0.74%	1	135
40	HWM	0.56%	1	179
41	Ferrari	0.52%	6	1159
42	Gordini	0.45%	1	222
43	Maserati	0.29%	4	1393

Finishing position: