13th Place Finish Ratio

until 1977 Italian 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	10.00%	1	10
9	Wolf-Williams	8.00%	2	25
10	Aiden-Cooper	7.69%	1	13
10	Lyncar	7.69%	1	13
12	Ensign	6.80%	7	103
13	JBW	6.25%	1	16
14	Fittipaldi	5.56%	4	72
14	ATS	5.56%	2	36
16	Turner	4.55%	1	22
17	Hill	4.35%	1	23
18	Honda	4.17%	2	48
19	HAR	4.00%	1	25
19	Renault	4.00%	1	25
21	Aston Martin	3.85%	1	26
22	Porsche	3.82%	6	157
23	Gilby	3.33%	1	30
24	Hesketh	2.88%	3	104
25	MG	2.17%	1	46
26	March	2.12%	12	565
27	Lola	2.04%	8	393
28	LDS	2.00%	3	150
29	Shadow	1.85%	4	216
30	Bugatti	1.79%	1	56
31	ERA	1.75%	4	229
32	BRM	1.51%	12	797
33	Surtees	1.48%	7	473
34	Cooper	1.46%	23	1579
35	McLaren	1.43%	11	768
36	Delage	1.39%	1	72
37	Alta	1.30%	1	77
37	Williams	1.30%	1	77
39	Lotus	1.22%	22	1808
40	Talbot-Lago	1.19%	5	420
41	BMW	1.12%	1	89
41	Veritas	1.12%	1	89
43	Brabham	1.01%	10	992
44	Connaught	0.93%	3	323
45	Matra	0.74%	1	135
46	Chevron	0.69%	1	145
47	Tyrrell	0.68%	2	295
48	HWM	0.56%	1	179
49	Ferrari	0.53%	7	1322
50	Gordini	0.45%	1	222
51	Maserati	0.29%	4	1390

Finishing position: