15th Place Finish Ratio

until 1988 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	15th Place Finish Ratio	15th Place Finishes	Entries
1	Heck	50.00%	1	2
	Modus	50.00%	1	2
	Sherman	50.00%	1	2
4	ATS (Ita)	10.00%	1	10
5	Hill	8.70%	2	23
6	Gilby	6.67%	2	30
	Lesovsky	6.67%	1	15
	Lyncar	6.67%	1	15
9	Watson	4.55%	1	22
10	Kurtis Kraft	4.12%	8	194
11	Spirit	3.85%	1	26
12	DB	3.12%	1	32
13	De Klerk	2.78%	1	36
13	OSCA	2.78%	1	36
15	Kuzma	2.70%	1	37
16	Matra	2.22%	3	135
17	Hesketh	1.85%	2	108
18	Ensign	1.79%	3	168
19	HWM	1.68%	3	179
20	Iso Marlboro	1.67%	1	60
21	Emeryson	1.28%	1	78
22	Porsche	1.27%	2	157
23	Arrows	1.25%	4	320
23	Zakspeed	1.25%	1	80
25	Connaught	1.24%	4	323
26	Fittipaldi	1.23%	2	162
27	March	1.20%	8	669
28	Shadow	1.15%	3	262
29	Surtees	1.02%	5	488
30	Cooper	0.95%	15	1579
31	BRM	0.88%	7	797
32	Lola	0.86%	4	465
33	Williams	0.80%	3	373
34	Delahaye	0.76%	1	131
34	Toleman	0.76%	1	131
36	ATS	0.68%	1	148
37	McLaren	0.66%	7	1060
38	Lotus	0.62%	13	2104
39	Ligier	0.60%	2	333
40	Alfa Romeo	0.59%	2	341
41	Simca-Gordini	0.56%	1	178
42	Osella	0.52%	1	194
43	ERA	0.44%	1	229
44	Ferrari	0.44%	7	1605
45	Brabham	0.39%	5	1274
46	Talbot-Lago	0.24%	1	420
47	Maserati	0.22%	3	1393
48	Tyrrell	0.17%	1	582

Finishing position: