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BMW 6-Series vs. Infiniti I MPG

Chart is based on 11 fuel economy reports for the BMW 6-Series and 26 fuel economy reports for the Infiniti I.

BMW 6-Series MPG

BMW 6-Series BMW 6-Series 2014 18.0 MPG Highway Percentage 74 percent BMW 6-Series BMW 6-Series 2008 18.3 MPG Highway Percentage 27 percent BMW 6-Series BMW 6-Series 2006 26.4 MPG Highway Percentage 75 percent BMW 6-Series BMW 6-Series 2005 16.8 MPG Highway Percentage 15 percent BMW 6-Series BMW 6-Series 2005 19.5 MPG Highway Percentage 60 percent BMW 6-Series BMW 6-Series 2004 20.8 MPG Highway Percentage 70 percent BMW 6-Series BMW 6-Series 2004 24.0 MPG Highway Percentage 100 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
2014 2dr Coupe turbocharged 445hp 4.4L V8
8-speed shiftable automatic RWD
flat lead light 5 11 11 74 70 18.0  
2008 2dr Convertible 360-horsepower 4.8L V8
6-speed shiftable automatic RWD
flat light hvy 45 9 18 27 60 18.3  
2006 2dr Convertible 255-horsepower 3.0L I6
6-speed manual RWD
flat med none 3 20 3 75 72 26.4  
2005 2dr Coupe 325-horsepower 4.4L V8
6-speed shiftable automatic RWD
flat lead light 10 35 40 15 60 16.8  
2005 2dr Coupe 325-horsepower 4.4L V8
6-speed manual RWD
flat lead hvy 0 0 40 60 80 19.5  
2004 2dr Coupe 325-horsepower 4.4L V8
6-speed shiftable automatic RWD
flat lead hvy 0 10 20 70 120 20.8  
2004 2dr Coupe 325-horsepower 4.4L V8
6-speed manual RWD
flat med none 0 0 0 100 120 24.0  

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This page shows only averages. See all the BMW 6-Series fuel economy data.

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.

BMW 6-Series vs. Infiniti I 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 BMW 6-Series and Infiniti I'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 Coupes and Convertibles.
See TrueDelta's information for all BMW models and Infiniti models.

What Our Members Are Saying about the Real Gas Mileage of the BMW 6-Series

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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