We are 106,000+ car owners sharing real-world car information.

Join Us

Mercury Grand Marquis MPG

MPG Number of Vehicles
19 miles per gallon 1 vehicles
20 miles per gallon 1 vehicles
21 miles per gallon 1 vehicles
22 miles per gallon 0 vehicles
23 miles per gallon 2 vehicles
24 miles per gallon 0 vehicles
25 miles per gallon 0 vehicles
26 miles per gallon 1 vehicles
Model Year Body/Powertrain MPG  
2000 2000 4dr Sedan 239-hp 4.6L V8 4-sp automatic RWD 21.78
See all data
With the 239-horsepower 4.6L V8 engine, 4-speed automatic transmission, and rear-wheel drive, the 2000 Mercury Grand Marquis has been averaging 21.78 MPG (miles per gallon).

The 2000 Mercury Grand Marquiss in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 50 percent of the miles driven). The rest of the miles were in the suburbs (0 percent), in the city (0 percent), and in heavy traffic (0 percent).

In addition, the average 2000 Mercury Grand Marquis in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time.
2000 2000 4dr Sedan 224-hp 4.6L V8 4-sp automatic RWD 21.88
See all data

Return to top

What Our Members Are Saying about the Real Gas Mileage of the Mercury Grand Marquis

Mercury Grand Marquis Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
Incredible- 21mpg city, 27mpg HWY see full Mercury Grand Marquis review
Mercury Grand Marquis Real Gas Mileage: Cons
YearBody/PowertrainComment
2005 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
The V-8 is thirsty for city driving. The extra power would be nice for highway & mountain driving, though. see full Mercury Grand Marquis review
 

2000 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.