MPG | Number of Vehicles |
22 miles per gallon | 2 vehicles |
23 miles per gallon | 8 vehicles |
24 miles per gallon | 7 vehicles |
25 miles per gallon | 10 vehicles |
26 miles per gallon | 6 vehicles |
27 miles per gallon | 4 vehicles |
28 miles per gallon | 6 vehicles |
29 miles per gallon | 4 vehicles |
30 miles per gallon | 3 vehicles |
Model Year | Body/Powertrain | MPG | |
2004 | 2004 4dr Sedan 239-hp 4.6L V8 4-sp automatic RWD | 25.71 | See all data |
With the 239-horsepower 4.6L V8 engine, 4-speed automatic transmission, and rear-wheel drive, the 2004 Mercury Grand Marquis has been averaging 25.71 MPG (miles per gallon). The 2004 Mercury Grand Marquiss in this analysis were driven mostly on the highway at an average speed of 73 miles per hour (about 92.2 percent of the miles driven). The rest of the miles were in the city (3.5 percent), in heavy traffic (0.9 percent), and in the suburbs (0 percent). In addition, the average 2004 Mercury Grand Marquis in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
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2004 | 2004 4dr Sedan 224-hp 4.6L V8 4-sp automatic RWD | 23.4 | See all data |
What Our Members Are Saying about the Real Gas Mileage of the 2004 Mercury Grand Marquis
4-speed automatic RWD
2004 Mercury Grand Marquis Gas Mileage (MPG)
Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Mercury Grand Marquis's real-world MPG based on how and where you drive a car.