15th Place Finish Ratio

until 1976 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	15th Place Finish Ratio	15th Place Finishes	Entries
1	Heck	50.00%	1	2
1	Sherman	50.00%	1	2
3	Lyncar	16.67%	1	6
4	ATS (Ita)	10.00%	1	10
5	Hill	8.70%	2	23
6	Gilby	6.67%	2	30
6	Lesovsky	6.67%	1	15
8	Ensign	6.52%	3	46
9	Watson	4.55%	1	22
10	Kurtis Kraft	4.12%	8	194
11	DB	3.12%	1	32
12	De Klerk	2.78%	1	36
12	OSCA	2.78%	1	36
14	Kuzma	2.70%	1	37
15	Matra	2.22%	3	135
16	Hesketh	1.69%	1	59
17	HWM	1.68%	3	179
18	Iso Marlboro	1.67%	1	60
19	Emeryson	1.28%	1	78
20	Porsche	1.27%	2	157
21	Connaught	1.24%	4	323
22	Lola	1.17%	4	342
23	Cooper	0.95%	15	1579
24	McLaren	0.94%	6	637
25	March	0.93%	4	430
26	Shadow	0.79%	1	127
27	BRM	0.76%	6	786
27	Delahaye	0.76%	1	131
29	Lotus	0.71%	12	1701
30	Simca-Gordini	0.56%	1	178
31	Surtees	0.56%	2	360
32	ERA	0.44%	1	229
33	Brabham	0.33%	3	898
34	Ferrari	0.32%	4	1242
35	Talbot-Lago	0.24%	1	420
36	Maserati	0.22%	3	1393

Finishing position: