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Mercedes-Benz M-Class vs. Mazda CX-9 MPG

Chart is based on 47 fuel economy reports for the Mercedes-Benz M-Class and 335 fuel economy reports for the Mazda CX-9.

Mercedes-Benz M-Class MPG

Mercedes-Benz M-Class Mercedes-Benz M-Class 2013 29.1 MPG Highway Percentage 56 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2012 29.0 MPG Highway Percentage 80 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2011 24.0 MPG Highway Percentage 20 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2010 21.8 MPG Highway Percentage 35 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2010 26.6 MPG Highway Percentage 69 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2010 19.7 MPG Highway Percentage 54 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2009 24.8 MPG Highway Percentage 44 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2008 21.2 MPG Highway Percentage 15 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2008 25.3 MPG Highway Percentage 63 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2007 21.6 MPG Highway Percentage 45 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2007 20.8 MPG Highway Percentage 67 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2006 17.5 MPG Highway Percentage 25 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2006 19.6 MPG Highway Percentage 54 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2005 18.5 MPG Highway Percentage 5 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2005 15.2 MPG Highway Percentage 50 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2004 18.4 MPG Highway Percentage 40 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2003 17.5 MPG Highway Percentage 65 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2003 16.0 MPG Highway Percentage 80 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2002 15.6 MPG Highway Percentage 44 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2002 16.1 MPG Highway Percentage 23 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2002 16.0 MPG Highway Percentage 25 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2000 27.6 MPG Highway Percentage 80 percent Mercedes-Benz M-Class Mercedes-Benz M-Class 2000 21.5 MPG Highway Percentage 90 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
2013 4dr SUV turbocharged 240hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 flat light hvy 7 21 16 56 65 29.1  
2012 4dr SUV turbocharged 240hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 hills light none 0 5 15 80 64 29.0  
2011 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 flat light light 10 10 60 20 60 24.0  
2010 4dr SUV turbocharged 228hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 hills med light 5 10 50 35 100 21.8  
2010 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 flat med none 1 5 25 69 70 26.6  
2010 4dr SUV 382-horsepower 5.5L V8
7-speed shiftable automatic AWD		 flat med hvy 17 15 15 54 70 19.7  
2009 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 flat light light 4 7 46 44 73 24.8  
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2008 4dr SUV turbocharged 221hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 flat med none 25 30 30 15 100 21.2  
2008 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 flat light light 2 18 17 63 70 25.3  
2007 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 flat v.lt none 10 25 20 45 100 21.6  
2007 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD		 flat light light 6 9 18 67 69 20.8  
2006 4dr SUV 302-horsepower 5.0L V8
7-speed shiftable automatic AWD		 flat lead hvy 25 25 25 25 75 17.5  
2006 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD		 hills light light 0 0 46 54 65 19.6  
2005 4dr SUV 288-horsepower 5.0L V8
5-speed shiftable automatic AWD w/low range		 flat med hvy 0 47 47 5 80 18.5  
2005 4dr SUV 232-horsepower 3.7L V6
5-speed shiftable automatic AWD w/low range		 flat light none 5 20 25 50 70 15.2  
2004 4dr SUV 232-horsepower 3.7L V6
5-speed shiftable automatic AWD w/low range		 flat light none 0 0 60 40 67 18.4  
2003 4dr SUV 288-horsepower 5.0L V8
5-speed shiftable automatic AWD w/low range		 flat med hvy 5 5 25 65 80 17.5  
2003 4dr SUV 215-horsepower 3.2L V6
5-speed shiftable automatic AWD w/low range		 mtns light light 0 0 20 80 65 16.0  
2002 4dr SUV 342-horsepower 5.4L V8
5-speed shiftable automatic AWD w/low range		 flat med none 1 48 8 44 90 15.6  
2002 4dr SUV 288-horsepower 5.0L V8
5-speed shiftable automatic AWD w/low range		 flat med light 8 50 20 23 88 16.1  
2002 4dr SUV 215-horsepower 3.2L V6
5-speed shiftable automatic AWD w/low range		 flat med hvy 15 25 35 25 70 16.0  
2000 4dr SUV 268-horsepower 4.3L V8
5-speed shiftable automatic AWD w/low range		 flat light none 0 0 20 80 100 27.6  
2000 4dr SUV 215-horsepower 3.2L V6
5-speed shiftable automatic AWD w/low range		 flat med none 0 0 10 90 65 21.5  

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

Mazda CX-9 MPG

Mazda CX-9 Mazda CX-9 2019 25.2 MPG Highway Percentage 50 percent Mazda CX-9 Mazda CX-9 2017 19.7 MPG Highway Percentage 40 percent Mazda CX-9 Mazda CX-9 2013 21.1 MPG Highway Percentage 5 percent Mazda CX-9 Mazda CX-9 2012 20.2 MPG Highway Percentage 97 percent Mazda CX-9 Mazda CX-9 2012 16.5 MPG Highway Percentage 15 percent Mazda CX-9 Mazda CX-9 2011 17.1 MPG Highway Percentage 21 percent Mazda CX-9 Mazda CX-9 2011 19.3 MPG Highway Percentage 55 percent Mazda CX-9 Mazda CX-9 2010 18.4 MPG Highway Percentage 37 percent Mazda CX-9 Mazda CX-9 2010 14.5 MPG Highway Percentage 29 percent Mazda CX-9 Mazda CX-9 2009 18.7 MPG Highway Percentage 14 percent Mazda CX-9 Mazda CX-9 2009 17.9 MPG Highway Percentage 50 percent Mazda CX-9 Mazda CX-9 2008 19.7 MPG Highway Percentage 68 percent Mazda CX-9 Mazda CX-9 2008 19.0 MPG Highway Percentage 54 percent Mazda CX-9 Mazda CX-9 2007 19.7 MPG Highway Percentage 43 percent Mazda CX-9 Mazda CX-9 2007 18.3 MPG Highway Percentage 54 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
2019 4dr SUV turbocharged 250hp 2.5L I4
6-speed shiftable automatic AWD		 flat light none 0 50 0 50 50 25.2  
2017 4dr SUV turbocharged 250hp 2.5L I4
6-speed shiftable automatic AWD		 flat med none 5 5 50 40 75 19.7  
2013 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 flat light light 0 95 0 5 70 21.1  
2012 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 hills med none 0 0 4 97 78 20.2  
2012 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 flat med light 0 5 80 15 70 16.5  
2011 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 flat med hvy 44 20 15 21 64 17.1  
2011 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 flat light light 0 10 35 55 63 19.3  
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2010 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 flat light light 33 17 13 37 63 18.4  
2010 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 hills light none 6 48 17 29 73 14.5  
2009 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 hills med light 5 19 61 14 62 18.7  
2009 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 flat med none 7 26 18 50 66 17.9  
2008 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 flat med light 4 15 13 68 72 19.7  
2008 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 flat light light 6 15 25 54 70 19.0  
2007 4dr SUV 263-horsepower 3.5L V6
6-speed shiftable automatic FWD		 flat med hvy 13 19 25 43 67 19.7  
2007 4dr SUV 263-horsepower 3.5L V6
6-speed shiftable automatic AWD		 flat light none 10 20 16 54 69 18.3  

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This page shows only averages. See all the Mazda CX-9 fuel economy data.

Mercedes-Benz M-Class vs. Mazda CX-9 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 Mercedes-Benz M-Class and Mazda CX-9'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 SUVs
See TrueDelta's information for all Mercedes-Benz models and Mazda models.

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

Mercedes-Benz M-Class Real Gas Mileage: Pros
YearBody/PowertrainComment
2013 4dr SUV turbocharged 240hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 Upper 20's on highway and mid-20's in suburbia from a vehicle that weighs 5K lbs. see full Mercedes-Benz M-Class review
2009 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 Other luxury cars/SUVs require premium gas. Diesel could be same or even cheaper than regular gas and with immense torque and a somewhat light foot I get almost 25Mpg see full Mercedes-Benz M-Class review
2007 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD		 5000 lbs vehicle. Gets 32 mpg on highway up to 75 mph, faster than that mpg drops. 23 to 24 mpg around town see full Mercedes-Benz M-Class review
Mercedes-Benz M-Class Real Gas Mileage: Cons
YearBody/PowertrainComment
2007 4dr SUV 302-horsepower 5.0L V8
7-speed shiftable automatic AWD		 Have a V8, so I should have expected, but mpg is averaging about 16 around town. With the current gas prices, I dread going to the pump. $90 to fill up the huge tank. see full Mercedes-Benz M-Class review
 

What Our Members Are Saying about the Real Gas Mileage of the Mazda CX-9

Mazda CX-9 Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 avg 18mpg for a large vehicle see full Mazda CX-9 review
2007 4dr SUV 263-horsepower 3.5L V6
6-speed shiftable automatic FWD		 Uses regular gas. I have been getting about 19-20 MPG with mostly rush hour highway driving. see full Mazda CX-9 review
Mazda CX-9 Real Gas Mileage: Cons
YearBody/PowertrainComment
2012 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 EPA ratings of 17/24, but I've averaged barely 18 overall in my first 1200 miles...hoping for a slight improvement after break-in. UPDATE- as of 02/11/2013, I am averaging 20-21mpg overall with 4200 miles on the clock. On a recent 380-mile interstate trip, I managed 22.8mpg with the cruise set at 80mph. see full Mazda CX-9 review
2009 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 A bit lower than the competitions see full Mazda CX-9 review
2009 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 in city gives about 13-14 mpg. Highway is still good. I can get 21-23 mpg on highways see full Mazda CX-9 review
2008 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 The AWD feature does use more gas than a FWD vehicle. Averages about 17-18 city and about 20 highway. see full Mazda CX-9 review
2008 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 The fuel economy was lower than for the Murano. The plus is that it uses regular. see full Mazda CX-9 review
2008 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 too low see full Mazda CX-9 review
2007 4dr SUV 263-horsepower 3.5L V6
6-speed shiftable automatic AWD		 Could be better. I have seen 24mpg as a high on the highway....but usually closer to 21-22. Around town is 17-18. see full Mazda CX-9 review
2007 4dr SUV 263-horsepower 3.5L V6
6-speed shiftable automatic AWD		 Around town mileage is low. see full Mazda CX-9 review