Mercury Grand Marquis Wagon: MPG and fuel economy by year
The EPA has rated the Mercury Grand Marquis Wagon across 8 model years, from the 1984 Mercury Grand Marquis Wagon through the 1991 Mercury Grand Marquis Wagon. The most recent 1991 Mercury Grand Marquis Wagon returns 18 combined MPG. The most efficient model year was the 1987 Mercury Grand Marquis Wagon at 19 MPG.
Pick a year below to open the full Mercury Grand Marquis Wagon 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 Wagon. 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 |
|---|---|---|---|---|---|
| 1991 | 1991 Mercury Grand Marquis Wagon | 18 MPG | 15 MPG | 22 MPG | $3,300 |
| 1990 | 1990 Mercury Grand Marquis Wagon | 18 MPG | 15 MPG | 22 MPG | $3,300 |
| 1989 | 1989 Mercury Grand Marquis Wagon | 18 MPG | 15 MPG | 22 MPG | $3,300 |
| 1988 | 1988 Mercury Grand Marquis Wagon | 18 MPG | 15 MPG | 22 MPG | $3,300 |
| 1987 | 1987 Mercury Grand Marquis Wagon | 19 MPG | 16 MPG | 24 MPG | $3,150 |
| 1986 | 1986 Mercury Grand Marquis Wagon | 19 MPG | 16 MPG | 24 MPG | $3,150 |
| 1985 | 1985 Mercury Grand Marquis Wagon | 17 MPG | 14 MPG | 22 MPG | $3,500 |
| 1984 | 1984 Mercury Grand Marquis Wagon | 16 MPG | 14 MPG | 20 MPG | $3,750 |
How the Mercury Grand Marquis Wagon compares against the Midsize-Large Station Wagons class
Buyers usually compare the Mercury Grand Marquis Wagon against other cars in the same EPA class. The list below shows the most efficient cars in the Midsize-Large Station Wagons class for the 1991 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.