10th Place Finish Ratio

until 1974 Swedish 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	10th Place Finish Ratio	10th Place Finishes	Entries
1	Simca-Deho	100.00%	1	1
2	BDA	33.33%	1	3
2	Speluzzi	33.33%	1	3
4	DB	20.00%	2	10
4	RRA	20.00%	1	5
6	Borgward	15.62%	5	32
7	Aston Martin	13.89%	5	36
8	Fiat	10.53%	2	19
9	Novi	10.00%	1	10
10	Scarab	9.09%	1	11
11	Rover	6.67%	1	15
12	Simca	5.88%	2	34
13	Porsche	5.20%	9	173
14	Talbot	4.88%	4	82
15	Connaught	4.35%	6	138
16	MG	4.08%	2	49
17	Amilcar	4.00%	1	25
17	Weslake	4.00%	1	25
19	Chevrolet	3.93%	14	356
20	Bugatti	3.64%	2	55
21	Ford	3.23%	57	1766
22	Alfa Romeo	3.11%	11	354
23	Delahaye	3.05%	4	131
24	BMW	2.84%	5	176
25	Climax	2.62%	55	2100
26	Alta	2.58%	10	387
27	Offenhauser	2.56%	9	352
28	Lea-Francis	2.50%	3	120
29	Maserati	2.47%	41	1658
30	JAP	2.44%	1	41
31	Talbot-Lago	2.36%	8	339
32	Vanwall	2.22%	2	90
33	BRM	2.10%	23	1094
34	Bristol	1.98%	6	303
35	Riley	1.85%	1	54
36	Simca-Gordini	1.80%	3	167
37	OSCA	1.79%	1	56
38	Gordini	1.72%	4	232
39	Repco	1.66%	3	181
40	Cosworth	1.57%	7	446
41	Matra	1.39%	1	72
42	Ferrari	1.27%	15	1184
43	Lotus	1.15%	1	87
43	Veritas	1.15%	1	87
45	ERA	0.88%	2	227

Finishing position: