10th Place Finish Ratio

until 1973 French 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	Speluzzi	33.33%	1	3
3	DB	20.00%	2	10
3	RRA	20.00%	1	5
5	Borgward	15.62%	5	32
6	Aston Martin	13.89%	5	36
7	Fiat	10.53%	2	19
8	Novi	10.00%	1	10
9	Scarab	9.09%	1	11
10	Rover	6.67%	1	15
11	Simca	5.88%	2	34
12	Porsche	5.20%	9	173
13	Talbot	4.88%	4	82
14	Connaught	4.35%	6	138
15	MG	4.08%	2	49
16	Amilcar	4.00%	1	25
16	Weslake	4.00%	1	25
18	Bugatti	3.64%	2	55
19	Alfa Romeo	3.11%	11	354
20	Delahaye	3.05%	4	131
21	Ford	3.02%	43	1426
22	Chevrolet	2.92%	9	308
23	BMW	2.84%	5	176
24	Climax	2.62%	55	2100
25	Alta	2.58%	10	387
26	Offenhauser	2.56%	9	352
27	Lea-Francis	2.50%	3	120
28	Maserati	2.47%	41	1658
29	JAP	2.44%	1	41
30	Talbot-Lago	2.36%	8	339
31	Vanwall	2.22%	2	90
32	BRM	2.10%	22	1048
33	Bristol	1.98%	6	303
34	Riley	1.85%	1	54
35	Simca-Gordini	1.80%	3	167
36	OSCA	1.79%	1	56
37	Gordini	1.72%	4	232
38	Repco	1.66%	3	181
39	Cosworth	1.61%	6	373
40	Matra	1.39%	1	72
41	Ferrari	1.29%	15	1162
42	Lotus	1.15%	1	87
42	Veritas	1.15%	1	87
44	ERA	0.88%	2	227

Finishing position: