13th Place Finish Ratio

until 1984 British 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	RAM	5.71%	2	35
17	Ensign	4.76%	8	168
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	Fittipaldi	3.70%	6	162
25	Gilby	3.33%	1	30
26	Theodore	2.94%	2	68
27	ATS	2.86%	4	140
28	Hesketh	2.78%	3	108
29	MG	2.17%	1	46
30	Kurtis Kraft	2.06%	4	194
31	March	2.02%	13	645
32	LDS	2.00%	3	150
33	Lola	1.99%	8	403
34	Toleman	1.96%	2	102
35	Arrows	1.95%	4	205
36	Shadow	1.91%	5	262
37	Bugatti	1.79%	1	56
38	ERA	1.75%	4	229
39	Tyrrell	1.69%	8	474
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%	13	944
45	Alta	1.30%	1	77
46	Talbot-Lago	1.19%	5	420
47	Lotus	1.16%	23	1988
48	BMW	1.12%	1	89
48	Veritas	1.12%	1	89
50	Renault	1.06%	2	188
51	Brabham	0.94%	11	1167
52	Connaught	0.93%	3	323
53	Osella	0.91%	1	110
54	Williams	0.78%	2	257
55	Matra	0.74%	1	135
56	Alfa Romeo	0.67%	2	297
57	Chevron	0.66%	1	152
58	Ferrari	0.60%	9	1489
59	HWM	0.56%	1	179
60	Ligier	0.45%	1	221
61	Gordini	0.45%	1	222
62	Maserati	0.29%	4	1393

Finishing position: