15th Place Finish Ratio

until 1997 Brazilian GP

Include 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	Modus	50.00%	1	2
3	ATS (Ita)	10.00%	1	10
4	Hill	8.70%	2	23
5	Simtek	7.50%	3	40
6	Gilby	6.67%	2	30
6	Lyncar	6.67%	1	15
8	Spirit	3.85%	1	26
9	DB	3.12%	1	32
10	Dallara	2.78%	4	144
	De Klerk	2.78%	1	36
	OSCA	2.78%	1	36
13	Footwork	2.58%	5	194
14	Minardi	2.41%	9	374
15	Matra	2.22%	3	135
16	Onyx	2.08%	1	48
17	Hesketh	1.85%	2	108
17	Forti	1.85%	1	54
19	Ensign	1.79%	3	168
20	HWM	1.68%	3	179
21	Iso Marlboro	1.67%	1	60
22	Leyton House	1.56%	1	64
23	Pacific	1.52%	1	66
24	Emeryson	1.28%	1	78
25	Porsche	1.27%	2	157
26	Connaught	1.24%	4	323
27	Fittipaldi	1.23%	2	162
28	Shadow	1.15%	3	262
29	March	1.06%	8	757
30	Surtees	1.02%	5	488
31	Jordan	1.01%	2	198
32	Arrows	0.97%	4	412
33	Cooper	0.95%	15	1579
34	BRM	0.88%	7	797
35	Lola	0.81%	5	615
36	Delahaye	0.76%	1	131
36	Toleman	0.76%	1	131
38	Williams	0.76%	5	658
39	Sauber	0.75%	1	133
40	Zakspeed	0.74%	1	136
41	Tyrrell	0.69%	6	868
42	ATS	0.68%	1	148
43	Lotus	0.60%	14	2320
44	Alfa Romeo	0.59%	2	341
45	Simca-Gordini	0.56%	1	178
46	McLaren	0.52%	7	1346
47	ERA	0.44%	1	229
48	Brabham	0.43%	6	1391
49	Osella	0.39%	1	254
50	Ferrari	0.37%	7	1888
51	Ligier	0.33%	2	615
52	Benetton	0.28%	1	358
53	Talbot-Lago	0.24%	1	420
54	Maserati	0.22%	3	1390

Finishing position: