Highest 10th Place Finish Ratio

Finishing position:

Pos	Engine Manufacturer	10th Place Finish Ratio	10th Place Finishes	Races
1	Borgward	33.33%	1	3
2	Acer	11.76%	4	34
3	Asiatech	10.29%	7	68
4	Novi	10.00%	1	10
4	Scarab	10.00%	1	10
6	Aston Martin	9.09%	1	11
7	Petronas	8.82%	27	306
8	BWT Mercedes	7.89%	6	76
9	Porsche	7.60%	7	92
10	Toro Rosso	7.50%	3	40
11	Megatron	6.38%	6	94
12	OSCA	6.25%	1	16
13	Mugen-Honda	6.12%	18	294
13	Playlife	6.12%	6	98
15	Fondmetal	5.88%	2	34
16	Toyota	5.44%	25	459
17	Talbot	4.81%	4	83
18	Yamaha	4.61%	12	260
19	Mercedes	4.27%	109	2550
20	Cosworth	4.17%	29	694
21	Honda RBPT	4.16%	4	96
22	Renault	4.07%	105	2578
23	Honda	3.85%	50	1297
24	Alta	3.79%	3	79
25	Maserati	3.53%	20	566
26	Gordini	3.50%	4	114
27	Ford	3.42%	225	6573
28	BMW	3.27%	23	703
29	Red Bull	3.26%	3	92
30	Judd	3.22%	13	403
31	Ferrari	3.12%	122	3899
	Alfa Romeo	3.12%	16	512
	Lamborghini	3.12%	8	256
	Mecachrome	3.12%	1	32
35	Supertec	3.06%	3	98
36	European	2.94%	1	34
37	Hart	2.89%	11	380
38	Climax	2.87%	23	799
39	Vanwall	2.81%	2	71
40	BRM	2.72%	21	770
41	Peugeot	2.60%	6	230
42	Repco	2.53%	2	79
43	Offenhauser	2.28%	9	394
44	Bristol	2.12%	1	47
45	Zakspeed	1.92%	2	104
46	Matra	1.63%	3	183
47	TAG-Heuer	0.80%	1	124
48	Ilmor	0.62%	1	160

Finishing position: