13th Place Finish Ratio

until 1981 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	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	Wolf-Williams	8.00%	2	25
12	Aiden-Cooper	7.69%	1	13
12	McRae	7.69%	1	13
14	Lyncar	6.67%	1	15
15	JBW	6.25%	1	16
16	Ensign	5.71%	8	140
17	Fittipaldi	4.88%	6	123
18	Hill	4.35%	1	23
18	Turner	4.35%	1	23
20	Honda	4.17%	2	48
21	HAR	4.00%	1	25
22	Aston Martin	3.85%	1	26
23	Porsche	3.82%	6	157
24	Gilby	3.33%	1	30
25	ATS	2.90%	2	69
26	Hesketh	2.78%	3	108
27	MG	2.17%	1	46
28	Kurtis Kraft	2.06%	4	194
28	Arrows	2.06%	2	97
30	March	2.03%	12	592
31	LDS	2.00%	3	150
32	Lola	1.99%	8	403
33	Shadow	1.91%	5	262
34	Bugatti	1.79%	1	56
35	ERA	1.75%	4	229
36	BRM	1.51%	12	797
37	Cooper	1.46%	23	1579
38	Surtees	1.43%	7	488
39	McLaren	1.43%	12	837
40	Delage	1.39%	1	72
41	Alta	1.30%	1	77
42	Renault	1.25%	1	80
43	Lotus	1.22%	23	1883
44	Talbot-Lago	1.19%	5	420
45	BMW	1.12%	1	89
45	Veritas	1.12%	1	89
47	Tyrrell	1.10%	4	365
48	Brabham	0.94%	10	1060
49	Connaught	0.93%	3	323
50	Matra	0.74%	1	135
51	Williams	0.68%	1	148
52	Chevron	0.66%	1	152
53	Ferrari	0.65%	9	1385
54	HWM	0.56%	1	179
55	Alfa Romeo	0.53%	1	189
56	Gordini	0.45%	1	222
57	Maserati	0.29%	4	1393

Finishing position: