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Buick LaCrosse vs. Mercury Grand Marquis Fuel Economy (g/100m)

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

Buick LaCrosse g/100m

Buick LaCrosse Buick LaCrosse 2013 16.5 MPG Highway Percentage 80 percent Buick LaCrosse Buick LaCrosse 2012 4.2 MPG Highway Percentage 25 percent Buick LaCrosse Buick LaCrosse 2012 2.9 MPG Highway Percentage 58 percent Buick LaCrosse Buick LaCrosse 2011 5.1 MPG Highway Percentage 28 percent Buick LaCrosse Buick LaCrosse 2011 4.4 MPG Highway Percentage 45 percent Buick LaCrosse Buick LaCrosse 2010 4.3 MPG Highway Percentage 60 percent Buick LaCrosse Buick LaCrosse 2010 4.5 MPG Highway Percentage 40 percent Buick LaCrosse Buick LaCrosse 2010 23.1 MPG Highway Percentage 65 percent Buick LaCrosse Buick LaCrosse 2007 4.2 MPG Highway Percentage 69 percent Buick LaCrosse Buick LaCrosse 2006 20.1 MPG Highway Percentage 52 percent Buick LaCrosse Buick LaCrosse 2006 4.5 MPG Highway Percentage 58 percent Buick LaCrosse Buick LaCrosse 2005 18.5 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 g/100m
2013 4dr Sedan 182-horsepower 2.4L I4 Hybrid
6-speed shiftable automatic FWD		 flat light none 0 10 10 80 110 16.5  
2012 4dr Sedan 303-horsepower 3.6L V6
6-speed shiftable automatic FWD		 flat med light 30 40 5 25 70 4.2  
2012 4dr Sedan 182-horsepower 2.4L I4 Hybrid
6-speed shiftable automatic FWD		 flat light none 0 0 43 58 65 2.9  
2011 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic FWD		 hills light light 13 26 33 28 65 5.1  
2011 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic AWD		 flat med hvy 10 27 18 45 80 4.4  
2010 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic FWD		 flat light light 14 13 13 60 64 4.3  
2010 4dr Sedan 255-horsepower 3.0L V6
6-speed shiftable automatic FWD		 mtns light none 10 10 40 40 60 4.5  
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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 23.1  
2007 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 hills med light 1 10 20 69 66 4.2  
2006 4dr Sedan 240-horsepower 3.6L V6
4-speed automatic FWD		 flat light light 6 28 14 52 101 20.1  
2006 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 flat light light 17 11 15 58 63 4.5  
2005 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD		 flat med none 5 34 10 51 100 18.5  

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

Mercury Grand Marquis g/100m

Mercury Grand Marquis Mercury Grand Marquis 2010 4.0 MPG Highway Percentage 90 percent Mercury Grand Marquis Mercury Grand Marquis 2009 5.3 MPG Highway Percentage 75 percent Mercury Grand Marquis Mercury Grand Marquis 2005 4.2 MPG Highway Percentage 75 percent Mercury Grand Marquis Mercury Grand Marquis 2004 3.9 MPG Highway Percentage 92 percent Mercury Grand Marquis Mercury Grand Marquis 2004 4.3 MPG Highway Percentage 30 percent Mercury Grand Marquis Mercury Grand Marquis 2003 4.6 MPG Highway Percentage 87 percent Mercury Grand Marquis Mercury Grand Marquis 2003 5.4 MPG Highway Percentage 40 percent Mercury Grand Marquis Mercury Grand Marquis 2002 4.5 MPG Highway Percentage 31 percent Mercury Grand Marquis Mercury Grand Marquis 2002 4.9 MPG Highway Percentage 10 percent Mercury Grand Marquis Mercury Grand Marquis 2000 4.6 MPG Highway Percentage 50 percent Mercury Grand Marquis Mercury Grand Marquis 2000 4.6 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 g/100m
2010 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD		 flat med light 0 0 10 90 70 4.0  
2009 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD		 flat med hvy 5 5 15 75 70 5.3  
2005 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD		 flat med none 5 5 15 75 60 4.2  
2004 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD		 flat med none 1 3 3 92 73 3.9  
2004 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD		 flat med light 5 5 60 30 70 4.3  
2003 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD		 flat med hvy 0 1 12 87 75 4.6  
2003 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD		 flat light light 15 26 19 40 68 5.4  
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2002 4dr Sedan 235-horsepower 4.6L V8
4-speed automatic RWD		 flat light light 22 23 23 31 60 4.5  
2002 4dr Sedan 220-horsepower 4.6L V8
4-speed automatic RWD		 flat light hvy 5 25 60 10 60 4.9  
2000 4dr Sedan 215-horsepower 4.6L V8
4-speed automatic RWD		 flat med hvy 0 0 50 50 70 4.6  
2000 4dr Sedan 200-horsepower 4.6L V8
4-speed automatic RWD		 flat light none 1 4 40 55 61 4.6  

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

Buick LaCrosse vs. Mercury Grand Marquis Fuel Economy (g/100m)

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 Buick LaCrosse and Mercury Grand Marquis's where a car was driven. So you can get an idea of their real-world g/100m based on how and where you drive a car.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Buick models and Mercury models.

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
 

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