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Infiniti QX vs. Buick Century MPG

Chart is based on 7 fuel economy reports for the Infiniti QX and 19 fuel economy reports for the Buick Century.

Infiniti QX MPG

Infiniti QX Infiniti QX 2008 13.7 MPG Highway Percentage 44 percent Infiniti QX Infiniti QX 2006 17.4 MPG Highway Percentage 43 percent Infiniti QX Infiniti QX 2005 14.6 MPG Highway Percentage 48 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
2008 4dr SUV 320-horsepower 5.6L V8
5-speed automatic 4WD w/low range		 flat med light 7 15 34 44 63 13.7  
2006 4dr SUV 315-horsepower 5.6L V8
5-speed automatic 4WD w/low range		 flat v.lt none 57 0 0 43 100 17.4  
2005 4dr SUV 315-horsepower 5.6L V8
5-speed automatic 4WD w/low range		 flat light light 15 33 3 48 97 14.6  

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

Buick Century MPG

Buick Century Buick Century 2003 24.9 MPG Highway Percentage 33 percent Buick Century Buick Century 2002 22.7 MPG Highway Percentage 88 percent Buick Century Buick Century 2001 20.0 MPG Highway Percentage 52 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
2003 4dr Sedan 175-horsepower 3.1L V6
4-speed automatic FWD		 flat light light 0 21 46 33 68 24.9  
2002 4dr Sedan 175-horsepower 3.1L V6
4-speed automatic FWD		 flat lead none 3 8 3 88 68 22.7  
2001 4dr Sedan 175-horsepower 3.1L V6
4-speed automatic FWD		 flat light none 0 48 0 52 72 20.0  

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

Infiniti QX vs. Buick Century 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 QX and Buick Century'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 Buick models.

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

Infiniti QX Real Gas Mileage: Cons
YearBody/PowertrainComment
2008 4dr SUV 320-horsepower 5.6L V8
5-speed automatic 4WD w/low range		 It is what it is....we get 15 MPG on average (4wd). I can get 17 on the highway. see full Infiniti QX review
 

What Our Members Are Saying about the Real Gas Mileage of the Buick Century

Buick Century Real Gas Mileage: Pros
YearBody/PowertrainComment
2003 4dr Sedan 175-horsepower 3.1L V6
4-speed automatic FWD		 Very good highway over 30 mpg see full Buick Century review