13th Place Finish Ratio

until 1977 Canadian GP

Include 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	LEC	16.67%	1	6
3	RRA	14.29%	2	14
3	HW	14.29%	1	7
5	Boro	12.50%	1	8
6	Eifelland	11.11%	1	9
6	Maki	11.11%	1	9
8	McRae	8.33%	1	12
9	Wolf-Williams	8.00%	2	25
10	Aiden-Cooper	7.69%	1	13
11	Lyncar	7.14%	1	14
12	Fittipaldi	6.41%	5	78
13	Ensign	6.31%	7	111
14	JBW	6.25%	1	16
15	ATS	5.00%	2	40
16	Turner	4.55%	1	22
17	Hill	4.35%	1	23
18	Honda	4.17%	2	48
19	HAR	4.00%	1	25
20	Aston Martin	3.85%	1	26
21	Porsche	3.82%	6	157
22	Gilby	3.33%	1	30
23	Renault	2.86%	1	35
24	Hesketh	2.78%	3	108
25	MG	2.17%	1	46
26	March	2.07%	12	580
27	Lola	2.00%	8	400
27	LDS	2.00%	3	150
29	Bugatti	1.79%	1	56
30	Shadow	1.75%	4	228
31	ERA	1.75%	4	229
32	McLaren	1.53%	12	783
33	BRM	1.51%	12	797
34	Cooper	1.46%	23	1579
35	Surtees	1.45%	7	483
36	Delage	1.39%	1	72
37	Alta	1.30%	1	77
38	Lotus	1.26%	23	1823
39	Talbot-Lago	1.19%	5	420
40	Williams	1.18%	1	85
41	BMW	1.12%	1	89
41	Veritas	1.12%	1	89
43	Brabham	0.99%	10	1006
44	Connaught	0.93%	3	323
45	Matra	0.74%	1	135
46	Chevron	0.67%	1	149
47	Tyrrell	0.65%	2	307
48	HWM	0.56%	1	179
49	Ferrari	0.52%	7	1334
50	Gordini	0.45%	1	222
51	Maserati	0.29%	4	1390

Finishing position: