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Infiniti G vs. Mercedes-Benz GL Fuel Economy (L/100km)

Chart is based on 758 fuel economy reports for the Infiniti G and 48 fuel economy reports for the Mercedes-Benz GL.

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.

Mercedes-Benz GL L/100km

Mercedes-Benz GL Mercedes-Benz GL 2014 8.6 MPG Highway Percentage 80 percent Mercedes-Benz GL Mercedes-Benz GL 2011 15.7 MPG Highway Percentage 30 percent Mercedes-Benz GL Mercedes-Benz GL 2010 9.9 MPG Highway Percentage 46 percent Mercedes-Benz GL Mercedes-Benz GL 2009 10.7 MPG Highway Percentage 27 percent Mercedes-Benz GL Mercedes-Benz GL 2009 13.1 MPG Highway Percentage 30 percent Mercedes-Benz GL Mercedes-Benz GL 2008 10.7 MPG Highway Percentage 41 percent Mercedes-Benz GL Mercedes-Benz GL 2008 13.9 MPG Highway Percentage 30 percent Mercedes-Benz GL Mercedes-Benz GL 2008 14.0 MPG Highway Percentage 35 percent Mercedes-Benz GL Mercedes-Benz GL 2007 9.4 MPG Highway Percentage 64 percent Mercedes-Benz GL Mercedes-Benz GL 2007 14.8 MPG Highway Percentage 42 percent Mercedes-Benz GL Mercedes-Benz GL 2007 13.7 MPG Highway Percentage 38 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
2014 4dr SUV turbocharged 240hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 flat light light 1 4 15 80 65 8.6  
2011 4dr SUV 382-horsepower 5.5L V8
7-speed shiftable automatic AWD		 flat light hvy 1 49 20 30 70 15.7  
2010 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 flat light light 7 13 34 46 64 9.9  
2009 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 flat med hvy 0 13 60 27 72 10.7  
2009 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD		 flat med light 21 22 27 30 60 13.1  
2008 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 flat light light 6 23 31 41 71 10.7  
2008 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD w/low range		 flat med hvy 13 30 28 30 83 13.9  
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2008 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD		 flat med none 21 21 23 35 85 14.0  
2007 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 hills light light 3 12 22 64 67 9.4  
2007 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD w/low range		 hills med light 15 21 22 42 60 14.8  
2007 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD		 flat med light 9 16 38 38 65 13.7  

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This page shows only averages. See all the Mercedes-Benz GL fuel economy data.

Infiniti G vs. Mercedes-Benz GL 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 Mercedes-Benz GL'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 and Mercedes-Benz 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
 

TrueDelta Reviews the Real Gas Mileage of the Mercedes-Benz GL

Mercedes-Benz GL Real Gas Mileage: Pros
YearComment
2013 In the EPA's fuel economy tests the Mercedes-Benz GL350 BlueTEC rates 19 mpg city and 26 mpg highway. We observed low 20s in casual suburban driving (a few mpg lower with a heavy foot, a few mpg higher with a very light one) and 25.5 on our trip to Chicago and back (which included some heavy urban driving and 70-mph highways). These numbers don't seem so great, given that the GL350 burns diesel? Consider that the GL-Class is not only wide and tall but also very heavy, at nearly 5,500 pounds unloaded. The gas-powered GL450 is rated 14/19. Our family vehicle, a Ford Taurus X that weighs over 1,000 pounds less than the Mercedes, struggles to crack 22 on the highway. The Audi Q7 rates the same in city driving, and a couple mpg better on the highway. Since the GL350 is almost in another class size-wise, I'm calling this one a draw. Multiply this fuel economy by a 26.4-gallon tank, and the GL350 can go quite far between $100+ fill-ups. Is it really possible to drive the nearly 300 miles to Chicago--and then back--on one tank? Yes it is, with nearly a quarter-tank to spare. (Is it possible to do this without any of three kids needing to stop for a bathroom break? To our even greater surprise, yes to this as well. They were busy watching the $1,950 dual-screen entertainment system.) see full Mercedes-Benz GL review
 

What Our Members Are Saying about the Real Gas Mileage of the Mercedes-Benz GL

Mercedes-Benz GL Real Gas Mileage: Pros
YearBody/PowertrainComment
2010 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 For a large, seven passenger SUV it can deliver upwards of 28 mpg on the highway. see full Mercedes-Benz GL review
2008 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 25 mpg highway fuel efficiency for a large 7 passenger SUV is fantastic see full Mercedes-Benz GL review
2008 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 Diesel provides 25 MPG on the highway see full Mercedes-Benz GL review
Mercedes-Benz GL Real Gas Mileage: Cons
YearBody/PowertrainComment
2010 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD		 15 mpg average. premium fuel. see full Mercedes-Benz GL review