- Gas
- Large cars
- MY2000–2011
Mercury Grand Marquis MPG & Fuel Cost by Year
12 model years · 2000–2011
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Mercury Grand Marquis fuel economy at a glance
EPA has rated the Mercury Grand Marquis for 12 model years, 2000 to 2011. Across those years its combined rating runs 18–19 MPG. The latest model year, 2011, has 1 configuration rated 19 MPG combined and costing $3,500 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2000 is the 2011 FFV 4.6L 8-cyl RWD, at 19 MPG. EPA ratings go back to 1984: the earliest rating on this page is 16 MPG in 1984.
Mercury Grand Marquis MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2003-2011 (4th gen) Generation page | ||
| 2011 | 19 | $3,500 |
| 2010 | 19 | $3,440 |
| 2009 | 19 | $3,440 |
| 2008 | 18 | $3,630 |
| 2007 | 18 | $3,630 |
| 2006 | 18 | $3,630 |
| 2005 | 19 | $3,440 |
| 2004 | 18 | $3,630 |
| 2003 | 18 | $3,630 |
| 2000-2002 (EN114) Generation page | ||
| 2002 | 18 | $3,630 |
| 2001 | 18 | $3,630 |
| 2000 | 18 | $3,630 |
Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.
Mercury Grand Marquis generations
2 generations between 2000 and 2011. Open one for the table of every model year and configuration.
2011 powertrain options
Mercury Grand Marquis MPG history, 1984–1999
| Year | Gas (MPG) |
|---|---|
| 1999 | 18 |
| 1998 | 18 |
| 1997 | 18 |
| 1996 | 18 |
| 1995 | 18 |
| 1994 | 18 |
| 1993 | 19 |
| 1992 | 19–20 |
Show 8 more years
| Year | Gas (MPG) |
|---|---|
| 1991 | 18 |
| 1990 | 18 |
| 1989 | 18 |
| 1988 | 18 |
| 1987 | 19 |
| 1986 | 19 |
| 1985 | 17 |
| 1984 | 15–16 |
EPA re-estimated the ratings of pre-2008 vehicles under its 2008 method; these are the re-estimated values.
More Mercury models
Frequently asked questions
What is the Mercury Grand Marquis's gas mileage by year?
EPA combined ratings for the Mercury Grand Marquis run 18–19 MPG across model years 2000 to 2011. The latest year, 2011, is rated 19 MPG.
Which Mercury Grand Marquis model year has the best gas mileage?
The 2011 Mercury Grand Marquis FFV 4.6L 8-cyl RWD has the highest combined rating since 2000, at 19 MPG.
How much does a Mercury Grand Marquis cost to fuel per year?
For MY2011, EPA-rated configurations cost $3,500 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,500.
Has the Mercury Grand Marquis's fuel economy improved over time?
Yes. The most efficient configuration moved from 18 MPG in 2000 to 19 MPG in 2011, 1 MPG more. Going back further, the best rating in 1984 was 16 MPG.
Which Mercury Grand Marquis model years have the same ratings?
EPA lists identical ratings as the previous year for 2001, 2010. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.