Mercury Grand Marquis MPG by model year
Combined EPA ratings for each Mercury Grand Marquis model year. Years with identical ratings are grouped together.
| Model year | Combined MPG | Best hwy | Versions |
|---|---|---|---|
| 2009–2011 | 19 MPG | 24 | 1 |
| 2008 | 18 MPG | 23 | 1 |
| 2006–2007 | 18 MPG | 23 | 2 |
| 2005 | 19 MPG | 23 | 1 |
| 2004 | 18 MPG | 23 | 1 |
| 2003 | 18 MPG | 23 | 1 |
| 2002 | 18 MPG | 23 | 1 |
| 2000–2001 | 18 MPG | 23 | 1 |
Model years before 2005 are listed for reference without a separate page.
Source: U.S. Environmental Protection Agency and U.S. Department of Energy, fueleconomy.gov. Original data (downloaded 2026-09-29). Data processed by us; errors in processing are ours, not the publisher's.