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Infiniti G vs. Infiniti M Fuel Economy (L/100km)

Chart is based on 758 fuel economy reports for the Infiniti G and 136 fuel economy reports for the Infiniti M.

Infiniti G L/100km

Infiniti G Infiniti G 2013 10.7 MPG Highway Percentage 72 percent Infiniti G Infiniti G 2013 14.1 MPG Highway Percentage 41 percent Infiniti G Infiniti G 2012 9.2 MPG Highway Percentage 100 percent Infiniti G Infiniti G 2012 9.9 MPG Highway Percentage 70 percent Infiniti G Infiniti G 2011 11.7 MPG Highway Percentage 42 percent Infiniti G Infiniti G 2011 11.3 MPG Highway Percentage 49 percent Infiniti G Infiniti G 2011 9.3 MPG Highway Percentage 75 percent Infiniti G Infiniti G 2010 9.4 MPG Highway Percentage 68 percent Infiniti G Infiniti G 2010 10.8 MPG Highway Percentage 52 percent Infiniti G Infiniti G 2010 10.5 MPG Highway Percentage 58 percent Infiniti G Infiniti G 2010 13.1 MPG Highway Percentage 5 percent Infiniti G Infiniti G 2010 9.2 MPG Highway Percentage 70 percent Infiniti G Infiniti G 2009 10.2 MPG Highway Percentage 58 percent Infiniti G Infiniti G 2009 12.9 MPG Highway Percentage 31 percent Infiniti G Infiniti G 2009 9.6 MPG Highway Percentage 91 percent Infiniti G Infiniti G 2009 11.4 MPG Highway Percentage 33 percent Infiniti G Infiniti G 2009 15.7 MPG Highway Percentage 10 percent Infiniti G Infiniti G 2009 12.2 MPG Highway Percentage 58 percent Infiniti G Infiniti G 2009 11.6 MPG Highway Percentage 70 percent Infiniti G Infiniti G 2009 11.4 MPG Highway Percentage 48 percent Infiniti G Infiniti G 2008 11.3 MPG Highway Percentage 62 percent Infiniti G Infiniti G 2008 11.7 MPG Highway Percentage 34 percent Infiniti G Infiniti G 2008 12.5 MPG Highway Percentage 49 percent Infiniti G Infiniti G 2008 11.6 MPG Highway Percentage 35 percent Infiniti G Infiniti G 2008 12.4 MPG Highway Percentage 40 percent Infiniti G Infiniti G 2007 11.3 MPG Highway Percentage 37 percent Infiniti G Infiniti G 2007 11.4 MPG Highway Percentage 49 percent Infiniti G Infiniti G 2007 12.9 MPG Highway Percentage 47 percent Infiniti G Infiniti G 2007 12.7 MPG Highway Percentage 50 percent Infiniti G Infiniti G 2007 21.0 MPG Highway Percentage 5 percent Infiniti G Infiniti G 2006 11.2 MPG Highway Percentage 43 percent Infiniti G Infiniti G 2006 12.0 MPG Highway Percentage 48 percent Infiniti G Infiniti G 2006 11.5 MPG Highway Percentage 55 percent Infiniti G Infiniti G 2006 11.7 MPG Highway Percentage 40 percent Infiniti G Infiniti G 2006 11.4 MPG Highway Percentage 56 percent Infiniti G Infiniti G 2005 9.8 MPG Highway Percentage 55 percent Infiniti G Infiniti G 2005 12.4 MPG Highway Percentage 30 percent Infiniti G Infiniti G 2005 12.6 MPG Highway Percentage 44 percent Infiniti G Infiniti G 2005 11.4 MPG Highway Percentage 26 percent Infiniti G Infiniti G 2005 10.6 MPG Highway Percentage 46 percent Infiniti G Infiniti G 2004 10.1 MPG Highway Percentage 60 percent Infiniti G Infiniti G 2004 11.6 MPG Highway Percentage 60 percent Infiniti G Infiniti G 2004 12.6 MPG Highway Percentage 41 percent Infiniti G Infiniti G 2004 12.6 MPG Highway Percentage 38 percent Infiniti G Infiniti G 2004 13.2 MPG Highway Percentage 21 percent Infiniti G Infiniti G 2004 12.4 MPG Highway Percentage 43 percent Infiniti G Infiniti G 2004 11.8 MPG Highway Percentage 70 percent Infiniti G Infiniti G 2003 10.3 MPG Highway Percentage 68 percent Infiniti G Infiniti G 2003 11.5 MPG Highway Percentage 47 percent Infiniti G Infiniti G 2003 13.8 MPG Highway Percentage 35 percent Infiniti G Infiniti G 2003 11.4 MPG Highway Percentage 49 percent Infiniti G Infiniti G 2003 9.5 MPG Highway Percentage 85 percent Infiniti G Infiniti G 2002 8.2 MPG Highway Percentage 20 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 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 3 13 13 72 69 10.7  
2013 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med none 26 27 5 41 65 14.1  
2012 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat light light 0 0 0 100 75 9.2  
2012 4dr Sedan 218-horsepower 2.5L V6
7-speed shiftable automatic AWD		 flat light none 0 30 0 70 60 9.9  
2011 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat light light 9 24 25 42 66 11.7  
2011 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med light 2 2 46 49 74 11.3  
2011 4dr Sedan 218-horsepower 2.5L V6
7-speed shiftable automatic RWD		 flat med light 3 2 21 75 74 9.3  
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2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 8 17 8 68 106 9.4  
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med none 3 12 33 52 72 10.8  
2010 4dr Sedan 328-horsepower 3.7L V6
6-speed manual RWD		 flat med light 7 28 7 58 73 10.5  
2010 2dr Hardtop conv. 325-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat lead none 5 10 80 5 60 13.1  
2010 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med none 4 13 13 70 80 9.2  
2009 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 13 19 10 58 69 10.2  
2009 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med light 6 30 34 31 63 12.9  
2009 4dr Sedan 328-horsepower 3.7L V6
6-speed manual RWD		 flat light light 0 9 0 91 70 9.6  
2009 2dr Hardtop conv. 325-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat lead hvy 17 33 17 33 75 11.4  
2009 2dr Hardtop conv. 325-horsepower 3.7L V6
6-speed manual RWD		 flat lead none 10 10 70 10 70 15.7  
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 10 20 12 58 73 12.2  
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat light light 10 10 10 70 61 11.6  
2009 2dr Coupe 330-horsepower 3.7L V6
6-speed manual RWD		 hills med none 2 26 24 48 67 11.4  
2008 4dr Sedan 306-horsepower 3.5L V6
6-speed manual RWD		 flat med hvy 5 14 20 62 79 11.3  
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 10 23 33 34 73 11.7  
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light light 12 14 26 49 68 12.5  
2008 2dr Coupe 330-horsepower 3.7L V6
6-speed manual RWD		 flat light light 1 11 53 35 71 11.6  
2008 2dr Coupe 330-horsepower 3.7L V6
5-speed shiftable automatic RWD		 flat lead light 9 29 22 40 74 12.4  
2007 4dr Sedan 306-horsepower 3.5L V6
6-speed manual RWD		 flat med light 10 29 24 37 68 11.3  
2007 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 10 19 23 49 71 11.4  
2007 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med light 7 20 27 47 79 12.9  
2007 2dr Coupe 293-horsepower 3.5L V6
6-speed manual RWD		 flat med none 5 25 20 50 70 12.7  
2007 2dr Coupe 275-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat lead hvy 0 93 3 5 70 21.0  
2006 4dr Sedan 298-horsepower 3.5L V6
6-speed manual RWD		 flat med none 13 17 27 43 72 11.2  
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 9 24 18 48 69 12.0  
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light light 5 16 24 55 71 11.5  
2006 2dr Coupe 298-horsepower 3.5L V6
6-speed manual RWD		 flat med light 8 29 23 40 65 11.7  
2006 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 7 16 21 56 69 11.4  
2005 4dr Sedan 298-horsepower 3.5L V6
6-speed manual RWD		 flat med light 5 20 20 55 60 9.8  
2005 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 hills med light 2 20 48 30 65 12.4  
2005 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med none 10 31 15 44 85 12.6  
2005 2dr Coupe 298-horsepower 3.5L V6
6-speed manual RWD		 flat med light 8 24 42 26 70 11.4  
2005 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat light none 7 28 19 46 69 10.6  
2004 4dr Sedan 280-horsepower 3.5L V6
6-speed manual RWD		 flat light none 12 16 12 60 98 10.1  
2004 4dr Sedan 260-horsepower 3.5L V6
6-speed manual RWD		 flat med light 4 21 15 60 66 11.6  
2004 4dr Sedan 260-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 17 31 10 41 68 12.6  
2004 4dr Sedan 260-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light none 11 21 30 38 67 12.6  
2004 2dr Coupe 280-horsepower 3.5L V6
6-speed manual RWD		 flat med light 12 36 31 21 66 13.2  
2004 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med none 28 18 10 43 63 12.4  
2004 2dr Coupe 260-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med none 10 10 10 70 60 11.8  
2003 4dr Sedan 260-horsepower 3.5L V6
6-speed manual RWD		 hills light hvy 0 19 14 68 71 10.3  
2003 4dr Sedan 260-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 9 15 29 47 85 11.5  
2003 2dr Coupe 280-horsepower 3.5L V6
6-speed manual RWD		 flat med light 11 28 26 35 92 13.8  
2003 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 5 23 23 49 70 11.4  
2003 2dr Coupe 260-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat light none 5 5 5 85 100 9.5  
2002 4dr Sedan 145-horsepower 2.0L I4
5-speed manual RWD		 flat v.lt none 5 10 65 20 65 8.2  

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

Infiniti M L/100km

Infiniti M Infiniti M 2013 10.4 MPG Highway Percentage 34 percent Infiniti M Infiniti M 2012 11.4 MPG Highway Percentage 42 percent Infiniti M Infiniti M 2012 10.6 MPG Highway Percentage 30 percent Infiniti M Infiniti M 2011 12.3 MPG Highway Percentage 25 percent Infiniti M Infiniti M 2011 12.9 MPG Highway Percentage 37 percent Infiniti M Infiniti M 2011 11.2 MPG Highway Percentage 40 percent Infiniti M Infiniti M 2011 12.0 MPG Highway Percentage 40 percent Infiniti M Infiniti M 2010 16.8 MPG Highway Percentage 40 percent Infiniti M Infiniti M 2010 10.7 MPG Highway Percentage 85 percent Infiniti M Infiniti M 2009 15.3 MPG Highway Percentage 65 percent Infiniti M Infiniti M 2009 10.7 MPG Highway Percentage 20 percent Infiniti M Infiniti M 2009 11.2 MPG Highway Percentage 30 percent Infiniti M Infiniti M 2008 13.8 MPG Highway Percentage 45 percent Infiniti M Infiniti M 2008 12.0 MPG Highway Percentage 45 percent Infiniti M Infiniti M 2008 11.9 MPG Highway Percentage 66 percent Infiniti M Infiniti M 2007 15.2 MPG Highway Percentage 23 percent Infiniti M Infiniti M 2007 12.1 MPG Highway Percentage 29 percent Infiniti M Infiniti M 2007 11.8 MPG Highway Percentage 35 percent Infiniti M Infiniti M 2006 12.2 MPG Highway Percentage 60 percent Infiniti M Infiniti M 2006 12.0 MPG Highway Percentage 39 percent Infiniti M Infiniti M 2006 12.6 MPG Highway Percentage 47 percent Infiniti M Infiniti M 2006 15.2 MPG Highway Percentage 10 percent Infiniti M Infiniti M 2004 11.9 MPG Highway Percentage 35 percent Infiniti M Infiniti M 2003 12.9 MPG Highway Percentage 36 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 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 hills light light 12 26 29 34 68 10.4  
2012 4dr Sedan 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med light 3 23 32 42 80 11.4  
2012 4dr Sedan 302-horsepower 3.5L V6 Hybrid
7-speed shiftable automatic RWD		 flat light hvy 0 50 20 30 80 10.6  
2011 4dr Sedan 420-horsepower 5.6L V8
7-speed shiftable automatic RWD		 flat med hvy 35 35 5 25 75 12.3  
2011 4dr Sedan 420-horsepower 5.6L V8
7-speed shiftable automatic AWD		 flat med light 7 31 25 37 67 12.9  
2011 4dr Sedan 330-horsepower 3.7L V6
7-speed shiftable automatic RWD		 flat med light 5 45 10 40 60 11.2  
2011 4dr Sedan 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 flat med light 5 24 30 40 70 12.0  
Looking for a warranty? Get a quote.
2010 4dr Sedan 325-horsepower 4.5L V8
5-speed shiftable automatic AWD		 flat med none 10 10 40 40 75 16.8  
2010 4dr Sedan 303-horsepower 3.5L V6
7-speed shiftable automatic RWD		 flat light hvy 0 3 12 85 70 10.7  
2009 4dr Sedan 325-horsepower 4.5L V8
5-speed shiftable automatic AWD		 flat med light 6 14 15 65 69 15.3  
2009 4dr Sedan 303-horsepower 3.5L V6
7-speed shiftable automatic RWD		 flat med light 0 0 80 20 60 10.7  
2009 4dr Sedan 303-horsepower 3.5L V6
5-speed shiftable automatic AWD		 hills med light 20 40 10 30 65 11.2  
2008 4dr Sedan 325-horsepower 4.5L V8
5-speed shiftable automatic RWD		 flat lead hvy 35 15 5 45 75 13.8  
2008 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 21 17 18 45 67 12.0  
2008 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic AWD		 hills med light 9 10 15 66 68 11.9  
2007 4dr Sedan 325-horsepower 4.5L V8
5-speed shiftable automatic RWD		 flat med light 4 35 38 23 70 15.2  
2007 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat light light 20 28 23 29 71 12.1  
2007 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med light 2 21 42 35 68 11.8  
2006 4dr Sedan 335-horsepower 4.5L V8
5-speed shiftable automatic RWD		 flat light light 10 13 17 60 73 12.2  
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 9 28 23 39 68 12.0  
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med light 9 17 26 47 75 12.6  
2006 0 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light hvy 5 55 30 10 110 15.2  
2004 4dr Sedan 340-horsepower 4.5L V8
5-speed shiftable automatic RWD		 hills med light 13 8 45 35 78 11.9  
2003 4dr Sedan 340-horsepower 4.5L V8
5-speed shiftable automatic RWD		 flat med light 13 33 17 36 78 12.9  

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

Infiniti G vs. Infiniti M 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 Infiniti G and Infiniti M'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 Infiniti models.

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

Infiniti G Real Gas Mileage: Pros
YearBody/PowertrainComment
2007 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 My average for the life of the car is 21MPG. Not too bad for a car with this power and my lead foot. see full Infiniti G review
Infiniti G Real Gas Mileage: Cons
YearBody/PowertrainComment
2013 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD		 Can live with it because of the performance, but wish the mileage was better and premium fuel was not required. see full Infiniti G review
2013 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 What the powertrain giveth, the fuel economy taketh away. Nissan's VQ engines just seem to be thirsty - if you commute in heavy traffic, especially for short trips, don't be surprised at 15.5-16 mpg tanks. I don't know what mostly-highway commuting would look like, but maybe 22-25 mpg depending on driving style. see full Infiniti G review
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 To be honest, it is exactly what I expected, so no real beefs with it. That said, if you are looking for a car that gets better than 19 or so combined, this is not it. Decent freeway miles (24-27/g) but in city it is hard to beat 16/g. see full Infiniti G review
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 Fuel economy is poor - about 19 MPG average. see full Infiniti G review
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic RWD		 You do not buy a performance car and expect to get good gas mileage. At a 5 mpg or greater difference from my last car, it is taking some getting used too. see full Infiniti G review
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 average 18 in town 24 highway. see full Infiniti G review
2009 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 With such a large displaced engine and so much power you will find that you will have so-so mpg if you drive mainly in the city like I do. Especially if you are a "spirited" driver like I tend to be. I am averaging about 14-16mpg 95% city. On the highway its a different story. I have averaged up to 28mpg @ 78mph, I kind of wish I drove more on the highway. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
6-speed manual RWD		 While not terrible, ~20mpg is by no means phenomenal. Relatively comparable cars get ~23-27mpg, but typically also have smaller engines which explains a good portion of the difference. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 Takes a lot of fuel... 14L/100km about. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic RWD		 Not too great. My average is 19 - 20 mpg, mostly city. see full Infiniti G review
 

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

Infiniti M Real Gas Mileage: Pros
YearBody/PowertrainComment
2011 4dr Sedan 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 Fuel economy is abysmal around town. I guess that's the price you pay for going grocery shopping with over 300 HP. However, on the highway it's very possible to exceed the EPA mileage number. see full Infiniti M review
2006 4dr Sedan 335-horsepower 4.5L V8
5-speed shiftable automatic RWD		 V8 power--it's a gas guzzler and could've used an extra 1 or 2 speeds more since it revs so high at highway speeds. see full Infiniti M review
2006 4dr Sedan 335-horsepower 4.5L V8
5-speed shiftable automatic RWD		 78,000 miles primarily city driving and rarely use AC-16.9 mpg. 4.5 L V8 great power train with RWD-great fun to drive. see full Infiniti M review
Infiniti M Real Gas Mileage: Cons
YearBody/PowertrainComment
2012 4dr Sedan 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 I get around 17 city/25 highway. Not impressive but this is not why you buy a car like this. see full Infiniti M review
2011 4dr Sedan 330-horsepower 3.7L V6
7-speed shiftable automatic RWD		 I get average about 22 MPG with 80% of highway driving, this is with baby footing of the car, in town and climbing the hill, the milage can drop to 18-19. see full Infiniti M review
2011 4dr Sedan 420-horsepower 5.6L V8
7-speed shiftable automatic AWD		 Fairly poor. see full Infiniti M review
2008 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic RWD		 average 21 hwy see full Infiniti M review
2008 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic RWD		 needs a 6th gear, since there is too much revving in 5th gear while cruising. they put a 6th gear in the 2009 version see full Infiniti M review
2008 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic AWD		 Gas mileage stinks. see full Infiniti M review
2007 4dr Sedan 325-horsepower 4.5L V8
5-speed shiftable automatic RWD		 16.9 in city traffice 18.nothing on the highway...blah! see full Infiniti M review
2007 4dr Sedan 325-horsepower 4.5L V8
5-speed shiftable automatic RWD		 Averages about 18.5 mpg in mixed suburban/urban/freeway driving. Can get thirsty when you get on the gas, but duh... see full Infiniti M review
2007 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic AWD		 Large cars get poor milage. 18-20 mpg would like an option to trade some performance for added MPG. see full Infiniti M review
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 Often avergaed as low as 16mpg on a tank-full of gas. see full Infiniti M review