18th Place Finish Ratio

until 2009 Belgian 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	18th Place Finish Ratio	18th Place Finishes	Entries
1	Dulon	33.33%	1	3
2	Stevens	22.22%	2	9
3	Aiden-Cooper	7.69%	1	13
4	Super Aguri	5.13%	4	78
5	Force India	5.00%	3	60
6	Toro Rosso	4.62%	6	130
7	Venturi	3.12%	1	32
8	Kurtis Kraft	1.55%	3	194
9	Shadow	1.15%	3	262
10	BMW	0.91%	2	219
11	Minardi	0.89%	6	676
12	LDS	0.67%	1	150
13	Honda	0.65%	1	154
14	Fittipaldi	0.62%	1	162
15	Surtees	0.61%	3	488
16	Ensign	0.60%	1	168
16	Red Bull	0.60%	1	168
18	Ligier	0.49%	3	615
19	March	0.40%	3	757
20	Cooper	0.32%	5	1579
21	Connaught	0.31%	1	323
22	Maserati	0.29%	4	1393
23	McLaren	0.28%	5	1778
24	Ferrari	0.22%	5	2321
25	Benetton	0.19%	1	520
26	Lotus	0.17%	4	2320
27	Lola	0.16%	1	615
28	BRM	0.13%	1	797
29	Tyrrell	0.11%	1	930
30	Williams	0.09%	1	1090
31	Brabham	0.07%	1	1391

Finishing position: