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

Join Us

Mercury Grand Marquis MPG

 

The graph does not display if there are fewer than five results.
Model Year Body/Powertrain MPG  
2009 2009 4dr Sedan 224-hp 4.6L V8 4-sp automatic RWD 19
See all data
With the 224-horsepower 4.6L V8 engine, 4-speed automatic transmission, and rear-wheel drive, the 2009 Mercury Grand Marquis has been averaging 19 MPG (miles per gallon).

The 2009 Mercury Grand Marquiss in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 75 percent of the miles driven). The rest of the miles were in the city (5 percent), in heavy traffic (5 percent), and in the suburbs (0 percent).

In addition, the average 2009 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.

Return to top

What Our Members Are Saying about the Real Gas Mileage of the 2009 Mercury Grand Marquis

2009 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
 

2009 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.

Website Security Test