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Infiniti I vs. Mercury Grand Marquis MPG

Chart is based on 26 fuel economy reports for the Infiniti I and 67 fuel economy reports for the Mercury Grand Marquis.

Infiniti I MPG

Infiniti I Infiniti I 2004 24.3 MPG Highway Percentage 28 percent Infiniti I Infiniti I 2003 24.8 MPG Highway Percentage 65 percent Infiniti I Infiniti I 2002 26.0 MPG Highway Percentage 64 percent Infiniti I Infiniti I 2001 20.5 MPG Highway Percentage 55 percent Infiniti I Infiniti I 2000 23.3 MPG Highway Percentage 58 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
2004 4dr Sedan 255-horsepower 3.5L V6
4-speed automatic FWD		 flat med hvy 9 64 0 28 60 24.3  
2003 4dr Sedan 255-horsepower 3.5L V6
4-speed automatic FWD		 flat med light 8 9 17 65 68 24.8  
2002 4dr Sedan 255-horsepower 3.5L V6
4-speed automatic FWD		 flat med light 3 9 25 64 84 26.0  
2001 4dr Sedan 227-horsepower 3.0L V6
4-speed automatic FWD		 flat light none 2 3 41 55 68 20.5  
2000 4dr Sedan 227-horsepower 3.0L V6
4-speed automatic FWD		 hills light hvy 3 8 33 58 68 23.3  

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This page shows only averages. See all the Infiniti I fuel economy data.

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.

Infiniti I vs. Mercury Grand Marquis 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 Infiniti I and Mercury Grand Marquis'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 Infiniti models and Mercury models.

What Our Members Are Saying about the Real Gas Mileage of the Infiniti I

Infiniti I Real Gas Mileage: Cons
YearBody/PowertrainComment
2001 4dr Sedan 227-horsepower 3.0L V6
4-speed automatic FWD		 For what it is, it gets pretty low city MPG for a Japanese car. Around 15-17 depending on conditions. Highway gas mileage is good though see full Infiniti I 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