Retirements in a Season

until 1949 BRDC International Trophy

Ignore Indy 500 races
Ignore non-championship races
Note: records involving non-championship races may be inaccurate due to incomplete data.

Finishing position:

Pos	Designer	Year	Retirements
1	Ernesto Maserati	1947	66
2	Dante Giacosa	1947	40
3	Ernesto Maserati	1946	29
4	Reid Railton	1947	27
5	Antonio Lago	1949	18
5	Carlo Marchetti	1949	18
7	Reid Railton	1948	15
8	Amédée Gordini	1947	12
9	Ernesto Maserati	1948	11
10	Reid Railton	1949	8
11	Amédée Gordini	1948	6
12	Gioacchino Colombo	1946	5
12	Reid Railton	1946	5
14	Antonio Lago	1948	4
	Carlo Marchetti	1948	4
	Ernesto Maserati	1949	4
17	Ferdinand Porsche	1948	3
17	Amédée Gordini	1949	3
19	Amédée Gordini	1946	2
	Dante Giacosa	1948	2
	Geoffrey Taylor	1949	2
	Gioacchino Colombo	1949	2
23	Ferdinand Porsche	1946	1
	Ferdinand Porsche	1947	1
	Gioacchino Colombo	1947	1
	Aurelio Lampredi	1948	1
	Geoffrey Taylor	1948	1

Finishing position: