13th Place Finish Ratio

until 1977 Canadian 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	LEC	16.67%	1	6
3	Trevis	16.67%	1	6
5	RRA	14.29%	2	14
5	HW	14.29%	1	7
7	Boro	12.50%	1	8
8	Eifelland	11.11%	1	9
8	Maki	11.11%	1	9
10	Kuzma	10.81%	4	37
11	McRae	8.33%	1	12
12	Wolf-Williams	8.00%	2	25
13	Aiden-Cooper	7.69%	1	13
14	Lyncar	7.14%	1	14
15	Fittipaldi	6.41%	5	78
16	Ensign	6.31%	7	111
17	JBW	6.25%	1	16
18	ATS	5.00%	2	40
19	Hill	4.35%	1	23
19	Turner	4.35%	1	23
21	Honda	4.17%	2	48
22	HAR	4.00%	1	25
23	Aston Martin	3.85%	1	26
24	Porsche	3.82%	6	157
25	Gilby	3.33%	1	30
26	Renault	2.86%	1	35
27	Hesketh	2.78%	3	108
28	MG	2.17%	1	46
29	March	2.07%	12	580
30	Kurtis Kraft	2.06%	4	194
31	Lola	2.00%	8	400
31	LDS	2.00%	3	150
33	Bugatti	1.79%	1	56
34	Shadow	1.75%	4	228
35	ERA	1.75%	4	229
36	McLaren	1.53%	12	783
37	BRM	1.51%	12	797
38	Cooper	1.46%	23	1579
39	Surtees	1.45%	7	483
40	Delage	1.39%	1	72
41	Alta	1.30%	1	77
42	Lotus	1.26%	23	1823
43	Talbot-Lago	1.19%	5	420
44	Williams	1.18%	1	85
45	BMW	1.12%	1	89
45	Veritas	1.12%	1	89
47	Brabham	0.99%	10	1006
48	Connaught	0.93%	3	323
49	Matra	0.74%	1	135
50	Chevron	0.67%	1	149
51	Tyrrell	0.65%	2	307
52	HWM	0.56%	1	179
53	Ferrari	0.52%	7	1335
54	Gordini	0.45%	1	222
55	Maserati	0.29%	4	1393

Finishing position: