13th Place Finish Ratio

until 1989 Mexican 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	Dallara	12.50%	3	24
7	Boro	12.50%	1	8
9	Eifelland	11.11%	1	9
9	Maki	11.11%	1	9
11	Kuzma	10.81%	4	37
12	Wolf-Williams	8.00%	2	25
13	Aiden-Cooper	7.69%	1	13
13	McRae	7.69%	1	13
15	AGS	7.32%	3	41
16	Lyncar	6.67%	1	15
17	JBW	6.25%	1	16
18	EuroBrun	5.56%	2	36
19	Ensign	4.76%	8	168
20	Hill	4.35%	1	23
20	Turner	4.35%	1	23
22	Honda	4.17%	2	48
22	Rial	4.17%	1	24
24	RAM	4.11%	3	73
25	HAR	4.00%	1	25
26	Aston Martin	3.85%	1	26
26	Coloni	3.85%	1	26
28	Porsche	3.82%	6	157
29	Fittipaldi	3.70%	6	162
30	ATS	3.38%	5	148
31	Gilby	3.33%	1	30
32	Theodore	2.94%	2	68
33	Hesketh	2.78%	3	108
34	MG	2.17%	1	46
35	Kurtis Kraft	2.06%	4	194
36	Lola	2.01%	10	497
37	LDS	2.00%	3	150
38	March	2.00%	14	701
39	Shadow	1.91%	5	262
40	Zakspeed	1.79%	2	112
40	Bugatti	1.79%	1	56
42	ERA	1.75%	4	229
43	Arrows	1.70%	6	352
44	Minardi	1.67%	2	120
45	Tyrrell	1.63%	10	614
46	Toleman	1.53%	2	131
47	BRM	1.51%	12	797
48	Cooper	1.46%	23	1579
49	Surtees	1.43%	7	488
50	Delage	1.39%	1	72
51	Alta	1.30%	1	77
52	McLaren	1.19%	13	1092
52	Talbot-Lago	1.19%	5	420
54	Lotus	1.12%	24	2136
	BMW	1.12%	1	89
	Veritas	1.12%	1	89
57	Brabham	1.01%	13	1282
58	Osella	0.93%	2	214
59	Connaught	0.93%	3	323
60	Alfa Romeo	0.88%	3	341
61	Renault	0.86%	2	232
62	Ligier	0.82%	3	365
63	Williams	0.74%	3	405
63	Matra	0.74%	1	135
65	Chevron	0.66%	1	152
66	Ferrari	0.61%	10	1636
67	HWM	0.56%	1	179
68	Gordini	0.45%	1	222
69	Maserati	0.29%	4	1393

Finishing position: