15th Place Finish Ratio

until 1977 South African 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	Lyncar	14.29%	1	7
5	ATS (Ita)	10.00%	1	10
6	Hill	8.70%	2	23
7	Gilby	6.67%	2	30
7	Lesovsky	6.67%	1	15
9	Ensign	5.45%	3	55
10	Watson	4.55%	1	22
11	Kurtis Kraft	4.12%	8	194
12	DB	3.12%	1	32
13	Hesketh	2.82%	2	71
14	De Klerk	2.78%	1	36
14	OSCA	2.78%	1	36
16	Kuzma	2.70%	1	37
17	Fittipaldi	2.50%	1	40
18	Matra	2.22%	3	135
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	Connaught	1.24%	4	323
24	Lola	1.16%	4	346
25	Cooper	0.95%	15	1579
26	McLaren	0.91%	6	658
27	BRM	0.89%	7	788
28	March	0.86%	4	466
29	Surtees	0.77%	3	388
30	Delahaye	0.76%	1	131
31	Lotus	0.70%	12	1721
32	Shadow	0.68%	1	148
33	Simca-Gordini	0.56%	1	178
34	ERA	0.44%	1	229
35	Brabham	0.32%	3	924
36	Ferrari	0.32%	4	1260
37	Talbot-Lago	0.24%	1	420
38	Maserati	0.22%	3	1393

Finishing position: