13th Place Finish Ratio

until 1977 Belgian 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
2	LEC	33.33%	1	3
4	Boro	16.67%	1	6
	Renault	16.67%	1	6
	Trevis	16.67%	1	6
7	RRA	14.29%	2	14
7	HW	14.29%	1	7
9	Eifelland	11.11%	1	9
	Maki	11.11%	1	9
	McRae	11.11%	1	9
12	Kuzma	10.81%	4	37
13	Lyncar	9.09%	1	11
14	Wolf-Williams	8.00%	2	25
15	Aiden-Cooper	7.69%	1	13
16	ATS	6.25%	1	16
16	JBW	6.25%	1	16
18	Fittipaldi	5.66%	3	53
19	Ensign	5.56%	4	72
20	Hill	4.35%	1	23
20	Turner	4.35%	1	23
22	Honda	4.17%	2	48
23	HAR	4.00%	1	25
24	Aston Martin	3.85%	1	26
25	Porsche	3.82%	6	157
26	Gilby	3.33%	1	30
27	Hesketh	2.30%	2	87
28	MG	2.17%	1	46
29	Lola	2.17%	8	369
30	March	2.15%	11	511
31	Kurtis Kraft	2.06%	4	194
32	LDS	2.00%	3	150
33	Bugatti	1.79%	1	56
34	ERA	1.75%	4	229
35	Shadow	1.70%	3	176
36	BRM	1.52%	12	791
37	Cooper	1.46%	23	1579
38	McLaren	1.43%	10	699
39	Surtees	1.41%	6	426
40	Delage	1.39%	1	72
41	Alta	1.30%	1	77
42	Lotus	1.25%	22	1756
43	Talbot-Lago	1.19%	5	420
44	BMW	1.12%	1	89
44	Veritas	1.12%	1	89
46	Brabham	1.05%	10	950
47	Connaught	0.93%	3	323
48	Chevron	0.78%	1	128
49	Matra	0.74%	1	135
50	HWM	0.56%	1	179
51	Ferrari	0.55%	7	1284
52	Gordini	0.45%	1	222
53	Tyrrell	0.39%	1	255
54	Maserati	0.29%	4	1393

Finishing position: