15th Place Finish Ratio

until 1974 United States 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	33.33%	1	3
4	ATS (Ita)	10.00%	1	10
5	Ensign	9.52%	2	21
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	Shadow	1.39%	1	72
18	Emeryson	1.28%	1	78
19	Porsche	1.27%	2	157
20	Connaught	1.24%	4	323
21	Lola	1.20%	4	333
22	March	1.12%	4	356
23	Cooper	0.95%	15	1579
24	McLaren	0.90%	5	553
25	Delahaye	0.76%	1	131
26	BRM	0.65%	5	772
27	Simca-Gordini	0.56%	1	178
28	Lotus	0.56%	9	1619
29	ERA	0.44%	1	229
30	Brabham	0.36%	3	824
31	Ferrari	0.34%	4	1191
32	Surtees	0.33%	1	307
33	Talbot-Lago	0.24%	1	420
34	Maserati	0.22%	3	1393

Finishing position: