10th Place Finish Ratio

until 1965 South African 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	16.67%	5	30
6	Aston Martin	13.89%	5	36
7	Cosworth	11.11%	1	9
8	Fiat	10.53%	2	19
9	Novi	10.00%	1	10
10	Scarab	9.09%	1	11
11	Simca	5.88%	2	34
12	Porsche	5.23%	9	172
13	Talbot	4.88%	4	82
14	Connaught	4.35%	6	138
15	Ford	4.21%	4	95
16	MG	4.08%	2	49
17	Amilcar	4.00%	1	25
18	Bugatti	3.64%	2	55
19	Delahaye	3.05%	4	131
20	Alfa Romeo	2.80%	7	250
21	Climax	2.68%	47	1752
22	Alta	2.58%	10	387
23	Offenhauser	2.56%	9	352
24	Lea-Francis	2.50%	3	120
25	JAP	2.44%	1	41
26	Talbot-Lago	2.36%	8	339
27	Maserati	2.32%	36	1549
28	Vanwall	2.22%	2	90
29	Bristol	1.98%	6	303
30	Riley	1.85%	1	54
31	Simca-Gordini	1.80%	3	167
32	OSCA	1.79%	1	56
33	BMW	1.76%	3	170
34	BRM	1.74%	9	516
35	Gordini	1.72%	4	232
36	Ferrari	1.38%	13	940
37	Veritas	1.15%	1	87
38	ERA	0.88%	2	227

Finishing position: