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Mercury Grand Marquis MPG

Model Year Body/Powertrain MPG  
2010 2010 4dr Sedan 224-hp 4.6L V8 4-sp automatic RWD 25.3 See details
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With the 224-horsepower 4.6L V8 engine, 4-speed automatic transmission, and rear-wheel drive, the 2010 Mercury Grand Marquis has been averaging 25.3 MPG (miles per gallon).

The 2010 Mercury Grand Marquiss in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 90 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 2010 Mercury Grand Marquis in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.
2009 2009 4dr Sedan 224-hp 4.6L V8 4-sp automatic RWD 19 See details
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2005 2005 4dr Sedan 239-hp 4.6L V8 4-sp automatic RWD 23.81 See details
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2004 2004 4dr Sedan 239-hp 4.6L V8 4-sp automatic RWD 25.71 See details
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2004 2004 4dr Sedan 224-hp 4.6L V8 4-sp automatic RWD 23.4 See details
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2003 2003 4dr Sedan 239-hp 4.6L V8 4-sp automatic RWD 21.8 See details
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2003 2003 4dr Sedan 224-hp 4.6L V8 4-sp automatic RWD 18.52 See details
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2002 2002 4dr Sedan 239-hp 4.6L V8 4-sp automatic RWD 22 See details
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2002 2002 4dr Sedan 224-hp 4.6L V8 4-sp automatic RWD 20.3 See details
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2000 2000 4dr Sedan 239-hp 4.6L V8 4-sp automatic RWD 21.78 See details
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2000 2000 4dr Sedan 224-hp 4.6L V8 4-sp automatic RWD 21.88 See details
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See TrueDelta's information for all Sedans
See TrueDelta's information for all Mercury models.

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
 

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.