Pick a year below to open the full Mercury Grand Marquis page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.

Fuel economy by model year

Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Mercury Grand Marquis. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.

Year Model Combined MPG City Highway Annual fuel cost
2007 2007 Mercury Grand Marquis 18 MPG 15 MPG 23 MPG $3,300
2006 2006 Mercury Grand Marquis 18 MPG 15 MPG 23 MPG $3,300
2005 2005 Mercury Grand Marquis 19 MPG 16 MPG 23 MPG $3,150
2004 2004 Mercury Grand Marquis 18 MPG 15 MPG 23 MPG $3,300
2003 2003 Mercury Grand Marquis 18 MPG 16 MPG 23 MPG $3,300
2002 2002 Mercury Grand Marquis 18 MPG 15 MPG 23 MPG $3,300
2001 2001 Mercury Grand Marquis 18 MPG 16 MPG 23 MPG $3,300
2000 2000 Mercury Grand Marquis 18 MPG 16 MPG 23 MPG $3,300
1999 1999 Mercury Grand Marquis 18 MPG 15 MPG 22 MPG $3,300
1998 1998 Mercury Grand Marquis 18 MPG 15 MPG 22 MPG $3,300
1997 1997 Mercury Grand Marquis 18 MPG 15 MPG 23 MPG $3,300
1996 1996 Mercury Grand Marquis 18 MPG 15 MPG 23 MPG $3,300
1995 1995 Mercury Grand Marquis 18 MPG 15 MPG 23 MPG $3,300
1994 1994 Mercury Grand Marquis 18 MPG 16 MPG 23 MPG $3,300
1993 1993 Mercury Grand Marquis 19 MPG 16 MPG 24 MPG $3,150
1992 1992 Mercury Grand Marquis 20 MPG 17 MPG 24 MPG $3,000
1991 1991 Mercury Grand Marquis 18 MPG 15 MPG 22 MPG $3,300
1990 1990 Mercury Grand Marquis 18 MPG 15 MPG 22 MPG $3,300
1989 1989 Mercury Grand Marquis 18 MPG 15 MPG 22 MPG $3,300
1988 1988 Mercury Grand Marquis 18 MPG 15 MPG 22 MPG $3,300
1987 1987 Mercury Grand Marquis 19 MPG 16 MPG 24 MPG $3,150
1986 1986 Mercury Grand Marquis 19 MPG 16 MPG 24 MPG $3,150
1985 1985 Mercury Grand Marquis 17 MPG 14 MPG 22 MPG $3,500
1984 1984 Mercury Grand Marquis 16 MPG 14 MPG 20 MPG $3,750

How the Mercury Grand Marquis compares against the Large Cars class

Buyers usually compare the Mercury Grand Marquis against other cars in the same EPA class. The list below shows the most efficient cars in the Large Cars class for the 2007 model year, the latest year on this page. Each link opens the full page for that car.

Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.