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Mercury Grand Marquis vs. Buick LaCrosse MPG

Chart is based on 67 fuel economy reports for the Mercury Grand Marquis and 78 fuel economy reports for the Buick LaCrosse.

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  
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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  

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This page shows only averages. See all the Mercury Grand Marquis fuel economy data.

Buick LaCrosse MPG

Buick LaCrosse Buick LaCrosse 2013 33.6 MPG Highway Percentage 80 percent Buick LaCrosse Buick LaCrosse 2012 24.0 MPG Highway Percentage 25 percent Buick LaCrosse Buick LaCrosse 2012 34.5 MPG Highway Percentage 58 percent Buick LaCrosse Buick LaCrosse 2011 21.1 MPG Highway Percentage 28 percent Buick LaCrosse Buick LaCrosse 2011 22.6 MPG Highway Percentage 45 percent Buick LaCrosse Buick LaCrosse 2010 23.6 MPG Highway Percentage 60 percent Buick LaCrosse Buick LaCrosse 2010 22.0 MPG Highway Percentage 40 percent Buick LaCrosse Buick LaCrosse 2010 24.0 MPG Highway Percentage 65 percent Buick LaCrosse Buick LaCrosse 2007 24.3 MPG Highway Percentage 69 percent Buick LaCrosse Buick LaCrosse 2006 22.5 MPG Highway Percentage 52 percent Buick LaCrosse Buick LaCrosse 2006 23.2 MPG Highway Percentage 58 percent Buick LaCrosse Buick LaCrosse 2005 24.2 MPG Highway Percentage 51 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
2013 4dr Sedan 182-horsepower 2.4L I4 Hybrid
6-speed shiftable automatic FWD		 flat light none 0 10 10 80 110 33.6  
2012 4dr Sedan 303-horsepower 3.6L V6
6-speed shiftable automatic FWD		 flat med light 30 40 5 25 70 24.0  
2012 4dr Sedan 182-horsepower 2.4L I4 Hybrid
6-speed shiftable automatic FWD		 flat light none 0 0 43 58 65 34.5  
2011 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic FWD		 hills light light 13 26 33 28 65 21.1  
2011 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic AWD		 flat med hvy 10 27 18 45 80 22.6  
2010 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic FWD		 flat light light 14 13 13 60 64 23.6  
2010 4dr Sedan 255-horsepower 3.0L V6
6-speed shiftable automatic FWD		 mtns light none 10 10 40 40 60 22.0  
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2010 4dr Sedan 252-horsepower 3.0L V6
6-speed shiftable automatic AWD		 flat med none 0 35 0 65 110 24.0  
2007 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 hills med light 1 10 20 69 66 24.3  
2006 4dr Sedan 240-horsepower 3.6L V6
4-speed automatic FWD		 flat light light 6 28 14 52 101 22.5  
2006 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 flat light light 17 11 15 58 63 23.2  
2005 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 flat med none 5 34 10 51 100 24.2  

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This page shows only averages. See all the Buick LaCrosse fuel economy data.

Mercury Grand Marquis vs. Buick LaCrosse 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 Buick LaCrosse'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 Buick 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 Buick LaCrosse

Buick LaCrosse Real Gas Mileage: Pros
YearBody/PowertrainComment
2015 4dr Sedan 304-horsepower 3.6L V6
6-speed shiftable automatic AWD		 see full Buick LaCrosse review
Buick LaCrosse Real Gas Mileage: Cons
YearBody/PowertrainComment
2011 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic FWD		 Fuel economy not as good as Ford Taurus. Transmisson shifts down alot when in hilly conditions see full Buick LaCrosse review