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

Join Us

Mercury Grand Marquis vs. Buick LaCrosse Fuel Economy (L/100km)

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 L/100km

Mercury Grand Marquis Mercury Grand Marquis 2010 9.3 MPG Highway Percentage 90 percent Mercury Grand Marquis Mercury Grand Marquis 2009 12.4 MPG Highway Percentage 75 percent Mercury Grand Marquis Mercury Grand Marquis 2005 9.9 MPG Highway Percentage 75 percent Mercury Grand Marquis Mercury Grand Marquis 2004 9.2 MPG Highway Percentage 92 percent Mercury Grand Marquis Mercury Grand Marquis 2004 10.1 MPG Highway Percentage 30 percent Mercury Grand Marquis Mercury Grand Marquis 2003 10.8 MPG Highway Percentage 87 percent Mercury Grand Marquis Mercury Grand Marquis 2003 12.8 MPG Highway Percentage 40 percent Mercury Grand Marquis Mercury Grand Marquis 2002 10.7 MPG Highway Percentage 31 percent Mercury Grand Marquis Mercury Grand Marquis 2002 11.6 MPG Highway Percentage 10 percent Mercury Grand Marquis Mercury Grand Marquis 2000 10.9 MPG Highway Percentage 50 percent Mercury Grand Marquis Mercury Grand Marquis 2000 10.9 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 L/100km
2010 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat med light 0 0 10 90 70 9.3  
2009 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat med hvy 5 5 15 75 70 12.4  
2005 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
flat med none 5 5 15 75 60 9.9  
2004 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
flat med none 1 3 3 92 73 9.2  
2004 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat med light 5 5 60 30 70 10.1  
2003 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
flat med hvy 0 1 12 87 75 10.8  
2003 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat light light 15 26 19 40 68 12.8  
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 10.7  
2002 4dr Sedan 220-horsepower 4.6L V8
4-speed automatic RWD
flat light hvy 5 25 60 10 60 11.6  
2000 4dr Sedan 215-horsepower 4.6L V8
4-speed automatic RWD
flat med hvy 0 0 50 50 70 10.9  
2000 4dr Sedan 200-horsepower 4.6L V8
4-speed automatic RWD
flat light none 1 4 40 55 61 10.9  

Return to top

Buick LaCrosse L/100km

Buick LaCrosse Buick LaCrosse 2013 7.0 MPG Highway Percentage 80 percent Buick LaCrosse Buick LaCrosse 2012 9.8 MPG Highway Percentage 25 percent Buick LaCrosse Buick LaCrosse 2012 6.8 MPG Highway Percentage 58 percent Buick LaCrosse Buick LaCrosse 2011 12.1 MPG Highway Percentage 28 percent Buick LaCrosse Buick LaCrosse 2011 10.5 MPG Highway Percentage 45 percent Buick LaCrosse Buick LaCrosse 2010 10.1 MPG Highway Percentage 60 percent Buick LaCrosse Buick LaCrosse 2010 10.7 MPG Highway Percentage 40 percent Buick LaCrosse Buick LaCrosse 2010 9.8 MPG Highway Percentage 65 percent Buick LaCrosse Buick LaCrosse 2007 9.8 MPG Highway Percentage 69 percent Buick LaCrosse Buick LaCrosse 2006 10.7 MPG Highway Percentage 52 percent Buick LaCrosse Buick LaCrosse 2006 10.7 MPG Highway Percentage 58 percent Buick LaCrosse Buick LaCrosse 2005 9.9 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 L/100km
2013 4dr Sedan 182-horsepower 2.4L I4 Hybrid
6-speed shiftable automatic FWD
flat light none 0 10 10 80 110 7.0  
2012 4dr Sedan 303-horsepower 3.6L V6
6-speed shiftable automatic FWD
flat med light 30 40 5 25 70 9.8  
2012 4dr Sedan 182-horsepower 2.4L I4 Hybrid
6-speed shiftable automatic FWD
flat light none 0 0 43 58 65 6.8  
2011 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic FWD
hills light light 13 26 33 28 65 12.1  
2011 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic AWD
flat med hvy 10 27 18 45 80 10.5  
2010 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic FWD
flat light light 14 13 13 60 64 10.1  
2010 4dr Sedan 255-horsepower 3.0L V6
6-speed shiftable automatic FWD
mtns light none 10 10 40 40 60 10.7  
Looking for a warranty? Get a quote.
2010 4dr Sedan 252-horsepower 3.0L V6
6-speed shiftable automatic AWD
flat med none 0 35 0 65 110 9.8  
2007 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD
hills med light 1 10 20 69 66 9.8  
2006 4dr Sedan 240-horsepower 3.6L V6
4-speed automatic FWD
flat light light 6 28 14 52 101 10.7  
2006 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD
flat light light 17 11 15 58 63 10.7  
2005 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD
flat med none 5 34 10 51 100 9.9  

Return to top

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

Mercury Grand Marquis vs. Buick LaCrosse Fuel Economy (L/100km)

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 L/100km 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