13th Place Finish Ratio

until 2010 Turkish 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	6.32%	29	459
6	Asiatech	5.88%	4	68
	Fondmetal	5.88%	2	34
	Francis	5.88%	2	34
9	Cosworth	3.52%	51	1449
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	Honda	1.90%	17	897
29	Riley	1.85%	1	54
30	Bugatti	1.82%	1	55
31	BMW	1.62%	14	866
32	Peugeot	1.54%	4	259
33	Judd	1.49%	6	403
34	Renault	1.47%	21	1424
35	BRM	1.40%	16	1139
36	Delage	1.39%	1	72
37	Climax	1.38%	29	2100
38	Bristol	1.32%	4	303
39	Alfa Romeo	1.27%	10	786
40	Ferrari	1.19%	32	2684
41	Veritas	1.15%	1	87
42	Playlife	1.02%	1	98
43	Talbot-Lago	0.88%	3	339
44	Mercedes	0.86%	6	696
45	Lea-Francis	0.83%	1	120
46	Lamborghini	0.78%	2	256
47	Alta	0.78%	3	387
48	Connaught	0.72%	1	138
49	Matra	0.54%	1	185
50	Gordini	0.43%	1	232
51	Maserati	0.42%	7	1658

Finishing position: