13th Place Finish Ratio

until 2006 Japanese 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	Engine Manufacturer	13th Place Finish Ratio	13th Place Finishes	Entries
1	HW	100.00%	1	1
2	Morand-Chevrolet	25.00%	1	4
3	RRA	20.00%	1	5
4	European	11.76%	4	34
5	Toyota	6.07%	15	247
6	Asiatech	5.88%	4	68
	Fondmetal	5.88%	2	34
	Francis	5.88%	2	34
9	Cosworth	3.53%	49	1389
10	Yamaha	3.46%	9	260
11	Porsche	3.24%	6	185
12	Arrows	3.12%	2	64
12	Borgward	3.12%	1	32
14	Offenhauser	2.84%	10	352
15	Aston Martin	2.78%	1	36
16	Ilmor	2.50%	4	160
17	Talbot	2.44%	2	82
18	Mugen-Honda	2.38%	7	294
19	Hart	2.33%	9	387
20	Petronas	2.29%	7	306
21	Chevrolet	2.21%	10	453
22	ERA	2.20%	5	227
23	Megatron	2.13%	2	94
24	Supertec	2.04%	2	98
24	MG	2.04%	1	49
26	Ford	2.03%	140	6904
27	Zakspeed	1.92%	2	104
28	Riley	1.85%	1	54
29	Bugatti	1.82%	1	55
30	Peugeot	1.54%	4	259
31	Judd	1.49%	6	403
32	BRM	1.40%	16	1139
33	Delage	1.39%	1	72
34	Climax	1.38%	29	2100
35	Bristol	1.32%	4	303
36	BMW	1.32%	10	760
37	Alfa Romeo	1.27%	10	786
38	Veritas	1.15%	1	87
39	Honda	1.02%	8	781
40	Playlife	1.02%	1	98
41	Renault	1.01%	12	1186
42	Talbot-Lago	0.88%	3	339
43	Lea-Francis	0.83%	1	120
44	Lamborghini	0.78%	2	256
45	Alta	0.78%	3	387
46	Connaught	0.72%	1	138
47	Ferrari	0.72%	17	2360
48	Matra	0.54%	1	185
49	Gordini	0.43%	1	232
50	Maserati	0.42%	7	1658
51	Mercedes	0.21%	1	480

Finishing position: