15th Place Finish Ratio

until 1974 Brazilian 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	Ensign	12.50%	1	8
4	ATS (Ita)	10.00%	1	10
5	Gilby	6.67%	2	30
5	Lesovsky	6.67%	1	15
7	Watson	4.55%	1	22
8	Kurtis Kraft	4.12%	8	194
9	DB	3.12%	1	32
10	De Klerk	2.78%	1	36
10	OSCA	2.78%	1	36
12	Kuzma	2.70%	1	37
13	Matra	2.22%	3	135
13	Shadow	2.22%	1	45
15	HWM	1.68%	3	179
16	Emeryson	1.28%	1	78
17	Porsche	1.27%	2	157
18	Connaught	1.24%	4	323
19	Lola	1.04%	3	289
20	Cooper	0.95%	15	1579
21	March	0.94%	3	320
22	McLaren	0.84%	4	479
23	Delahaye	0.76%	1	131
24	Lotus	0.58%	9	1550
25	Simca-Gordini	0.56%	1	178
26	BRM	0.55%	4	733
27	ERA	0.44%	1	229
28	Brabham	0.40%	3	755
29	Surtees	0.39%	1	256
30	Ferrari	0.34%	4	1163
31	Talbot-Lago	0.24%	1	420
32	Maserati	0.22%	3	1393

Finishing position: