15th Place Finish Ratio

until 1975 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	15th Place Finish Ratio	15th Place Finishes	Entries
1	Heck	50.00%	1	2
1	Sherman	50.00%	1	2
3	Lyncar	20.00%	1	5
4	ATS (Ita)	10.00%	1	10
5	Ensign	7.69%	2	26
6	Gilby	6.67%	2	30
6	Lesovsky	6.67%	1	15
8	Watson	4.55%	1	22
9	Kurtis Kraft	4.12%	8	194
10	DB	3.12%	1	32
11	De Klerk	2.78%	1	36
11	OSCA	2.78%	1	36
13	Kuzma	2.70%	1	37
14	Matra	2.22%	3	135
15	HWM	1.68%	3	179
16	Iso Marlboro	1.67%	1	60
17	Emeryson	1.28%	1	78
18	Porsche	1.27%	2	157
19	Connaught	1.24%	4	323
20	Lola	1.17%	4	342
21	Shadow	1.15%	1	87
22	March	1.09%	4	368
23	Cooper	0.95%	15	1579
24	McLaren	0.85%	5	585
25	BRM	0.77%	6	780
26	Delahaye	0.76%	1	131
27	Lotus	0.61%	10	1648
28	Simca-Gordini	0.56%	1	178
29	ERA	0.44%	1	229
30	Brabham	0.36%	3	842
31	Ferrari	0.33%	4	1204
32	Surtees	0.31%	1	324
33	Talbot-Lago	0.24%	1	420
34	Maserati	0.22%	3	1393

Finishing position: