According to the 1997 Ford Crown Victoria Owner Guide :
With engine oil filter change :
( 5.0 U.S. quarts )
According to the 2008 Ford Crown Victoria Owner Guide : With engine oil filter change : ( 6.0 U.S. quarts of 5W-20 engine oil )
6
According to the 1998 Ford Crown Victoria Owner Guide : With engine oil filter change : ( 5.0 U.S. quarts of 5W-30 engine oil )
5.7 liters which is slightly more than 6 quarts
5 quarts WITH ENGINE OIL FILTER CHANGE , according to the owners manual
For a 1989 Ford Crown Victoria : For the 5.0 litre / 302 ( and the 5.8 litre / 351 ) ( With engine oil filter change , 5 U.S. quarts , according to my Chilton's book )
According to the 2001 Ford Crown Victoria Owner Guide : ( 19.0 U.S. gallons )
You don't say what year of Ford Crown Victoria but most years are ( 20 or 19 U.S. gallons )
According to the 1998 Ford Crown Victoria Owner Guide : With engine oil filter change : ( 5.0 U.S. quarts of 5W-30 )
It is important to replace old transmission fluid with the right amount of new transmission fluid. The 2005 Ford Crown Victoria has a transmission fluid capacity of 5 quarts.
( 5 quarts ) with engine oil filter change , according to the Owner Guide
Should take 4.5 liters of oil.