13th Place Finish Ratio

until 1982 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	5.16%	8	155
17	Hill	4.35%	1	23
17	Turner	4.35%	1	23
19	Honda	4.17%	2	48
20	Fittipaldi	4.03%	6	149
21	HAR	4.00%	1	25
22	Aston Martin	3.85%	1	26
22	Theodore	3.85%	1	26
24	Porsche	3.82%	6	157
25	ATS	3.45%	3	87
26	Gilby	3.33%	1	30
27	Hesketh	2.78%	3	108
28	MG	2.17%	1	46
29	Osella	2.08%	1	48
30	Kurtis Kraft	2.06%	4	194
31	LDS	2.00%	3	150
32	Lola	1.99%	8	403
33	March	1.96%	12	613
34	Shadow	1.91%	5	262
35	Renault	1.82%	2	110
36	Bugatti	1.79%	1	56
37	Tyrrell	1.77%	7	395
38	ERA	1.75%	4	229
39	Arrows	1.57%	2	127
40	BRM	1.51%	12	797
41	Cooper	1.46%	23	1579
42	Surtees	1.43%	7	488
43	Delage	1.39%	1	72
44	McLaren	1.38%	12	867
45	Alta	1.30%	1	77
46	Lotus	1.20%	23	1911
47	Talbot-Lago	1.19%	5	420
48	BMW	1.12%	1	89
48	Veritas	1.12%	1	89
50	Connaught	0.93%	3	323
51	Brabham	0.92%	10	1090
52	Alfa Romeo	0.91%	2	219
53	Matra	0.74%	1	135
54	Chevron	0.66%	1	152
55	Ferrari	0.64%	9	1415
56	HWM	0.56%	1	179
56	Williams	0.56%	1	179
58	Gordini	0.45%	1	222
59	Maserati	0.29%	4	1393

Finishing position: