We are 103,000+ car owners sharing real-world car information.

Join Us

Mercury Grand Marquis vs. BMW X6 MPG

Chart is based on 67 fuel economy reports for the Mercury Grand Marquis and 11 fuel economy reports for the BMW X6.

Mercury Grand Marquis MPG

Mercury Grand Marquis Mercury Grand Marquis 2010 25.3 MPG Highway Percentage 90 percent Mercury Grand Marquis Mercury Grand Marquis 2009 19.0 MPG Highway Percentage 75 percent Mercury Grand Marquis Mercury Grand Marquis 2005 23.8 MPG Highway Percentage 75 percent Mercury Grand Marquis Mercury Grand Marquis 2004 25.7 MPG Highway Percentage 92 percent Mercury Grand Marquis Mercury Grand Marquis 2004 23.4 MPG Highway Percentage 30 percent Mercury Grand Marquis Mercury Grand Marquis 2003 21.8 MPG Highway Percentage 87 percent Mercury Grand Marquis Mercury Grand Marquis 2003 18.5 MPG Highway Percentage 40 percent Mercury Grand Marquis Mercury Grand Marquis 2002 22.0 MPG Highway Percentage 31 percent Mercury Grand Marquis Mercury Grand Marquis 2002 20.3 MPG Highway Percentage 10 percent Mercury Grand Marquis Mercury Grand Marquis 2000 21.8 MPG Highway Percentage 50 percent Mercury Grand Marquis Mercury Grand Marquis 2000 21.9 MPG Highway Percentage 55 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2010 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat med light 0 0 10 90 70 25.3  
2009 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat med hvy 5 5 15 75 70 19.0  
2005 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
flat med none 5 5 15 75 60 23.8  
2004 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
flat med none 1 3 3 92 73 25.7  
2004 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat med light 5 5 60 30 70 23.4  
2003 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
flat med hvy 0 1 12 87 75 21.8  
2003 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat light light 15 26 19 40 68 18.5  
Looking for a warranty? Get a quote.
2002 4dr Sedan 235-horsepower 4.6L V8
4-speed automatic RWD
flat light light 22 23 23 31 60 22.0  
2002 4dr Sedan 220-horsepower 4.6L V8
4-speed automatic RWD
flat light hvy 5 25 60 10 60 20.3  
2000 4dr Sedan 215-horsepower 4.6L V8
4-speed automatic RWD
flat med hvy 0 0 50 50 70 21.8  
2000 4dr Sedan 200-horsepower 4.6L V8
4-speed automatic RWD
flat light none 1 4 40 55 61 21.9  

Return to top

BMW X6 MPG

BMW X6 BMW X6 2011 18.5 MPG Highway Percentage 29 percent BMW X6 BMW X6 2011 20.6 MPG Highway Percentage 40 percent BMW X6 BMW X6 2009 18.0 MPG Highway Percentage 100 percent BMW X6 BMW X6 2008 15.2 MPG Highway Percentage 17 percent BMW X6 BMW X6 2008 22.5 MPG Highway Percentage 60 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2011 4dr SUV turbocharged 400hp 4.4L V8
8-speed shiftable automatic AWD
flat med hvy 21 29 21 29 65 18.5  
2011 4dr SUV turbocharged 300hp 3.0L I6
8-speed shiftable automatic AWD
flat med light 11 15 35 40 90 20.6  
2009 4dr SUV turbocharged 300hp 3.0L I6
6-speed shiftable automatic AWD
flat med hvy 0 0 0 100 60 18.0  
2008 4dr SUV turbocharged 300hp 3.0L I6
6-speed shiftable automatic AWD
flat med light 13 47 23 17 107 15.2  
2008 4dr SUV turbocharged 232hp 3.0L I6 Diesel
6-speed shiftable automatic AWD
flat light light 15 20 5 60 70 22.5  

Return to top

This page shows only averages. See all the BMW X6 fuel economy data.

Mercury Grand Marquis vs. BMW X6 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 and BMW X6's where a car was driven. So you can get an idea of their real-world MPG based on how and where you drive a car.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Mercury models and BMW 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
 

What Our Members Are Saying about the Real Gas Mileage of the BMW X6

BMW X6 Real Gas Mileage: Pros
YearBody/PowertrainComment
2011 4dr SUV turbocharged 300hp 3.0L I6
8-speed shiftable automatic AWD
Took trip from W. Mass to Montreal and back. 686 miles total, avg. speed- highway and some in city driving- 58.6 mph. Avg. fuel economy from trip computer reset at beginning of trip . 24.2 mpg. 4 pax with luggage- a/c on. Impressive. see full BMW X6 review
BMW X6 Real Gas Mileage: Cons
YearBody/PowertrainComment
2008 4dr SUV turbocharged 300hp 3.0L I6
6-speed shiftable automatic AWD
thirsty, 17 lt/100km city see full BMW X6 review