According to the 2005 Mercury Grand Marquis Owner Guide : ( 19.0 US. gallons )
According to the 2004 Mercury Grand Marquis Owner Guide : ( 19.0 US. gallons )
The ( 2007 ) Mercury Grand Marquis has a ( 19 U.S. gallon tank )
According to the 1997 Mercury Grand Marquis Owner Guide : ( 20.0 U.S. gallons )
According to the 2000 Mercury Grand Marquis Owner Guide : ( The gas tank capacity is 19.0 U.S. gallons )
( 5 quarts with filter change ) according to the 1999 Mercury Grand Marquis owners manual
( 6 quarts with engine oil filter change ) according to the 2003 Mercury Grand Marquis Owner Guide
( 20 U.S. gallons ) according to my Chilton's book ( for a 1988 Mercury Grand Marquis )
A 2001 Mercury Grand Marquis will hold approximately 20 gallons of gasoline. The fuel economy is 17-25 miles per gallon.
According to the 2004 Mercury Grand Marquis Owner Guide : With engine oil filter change : ( 6.0 U.S. quarts of 5W-20 )
5
8 spark plugs