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Audi A6 / S6 vs. Infiniti M MPG

Chart is based on 165 fuel economy reports for the Audi A6 / S6 and 135 fuel economy reports for the Infiniti M.

Audi A6 / S6 MPG

Audi A6 / S6 Audi A6 / S6 2013 17.3 MPG Highway Percentage 0 percent Audi A6 / S6 Audi A6 / S6 2013 22.5 MPG Highway Percentage 65 percent Audi A6 / S6 Audi A6 / S6 2012 32.0 MPG Highway Percentage 90 percent Audi A6 / S6 Audi A6 / S6 2011 23.8 MPG Highway Percentage 15 percent Audi A6 / S6 Audi A6 / S6 2010 25.0 MPG Highway Percentage 30 percent Audi A6 / S6 Audi A6 / S6 2010 24.5 MPG Highway Percentage 65 percent Audi A6 / S6 Audi A6 / S6 2008 20.0 MPG Highway Percentage 40 percent Audi A6 / S6 Audi A6 / S6 2007 20.8 MPG Highway Percentage 42 percent Audi A6 / S6 Audi A6 / S6 2007 12.1 MPG Highway Percentage 15 percent Audi A6 / S6 Audi A6 / S6 2007 20.5 MPG Highway Percentage 65 percent Audi A6 / S6 Audi A6 / S6 2007 24.9 MPG Highway Percentage 55 percent Audi A6 / S6 Audi A6 / S6 2006.5 41.6 MPG Highway Percentage 95 percent Audi A6 / S6 Audi A6 / S6 2006 23.9 MPG Highway Percentage 44 percent Audi A6 / S6 Audi A6 / S6 2006 17.9 MPG Highway Percentage 28 percent Audi A6 / S6 Audi A6 / S6 2006 28.6 MPG Highway Percentage 30 percent Audi A6 / S6 Audi A6 / S6 2006 25.0 MPG Highway Percentage 62 percent Audi A6 / S6 Audi A6 / S6 2005 18.3 MPG Highway Percentage 67 percent Audi A6 / S6 Audi A6 / S6 2005 21.7 MPG Highway Percentage 54 percent Audi A6 / S6 Audi A6 / S6 2004 18.1 MPG Highway Percentage 25 percent Audi A6 / S6 Audi A6 / S6 2004 20.6 MPG Highway Percentage 54 percent Audi A6 / S6 Audi A6 / S6 2004 20.2 MPG Highway Percentage 95 percent Audi A6 / S6 Audi A6 / S6 2003 16.0 MPG Highway Percentage 30 percent Audi A6 / S6 Audi A6 / S6 2003 20.4 MPG Highway Percentage 72 percent Audi A6 / S6 Audi A6 / S6 2003 22.0 MPG Highway Percentage 50 percent Audi A6 / S6 Audi A6 / S6 2003 22.0 MPG Highway Percentage 76 percent Audi A6 / S6 Audi A6 / S6 2003 21.0 MPG Highway Percentage 65 percent Audi A6 / S6 Audi A6 / S6 2003 20.4 MPG Highway Percentage 40 percent Audi A6 / S6 Audi A6 / S6 2002 21.3 MPG Highway Percentage 60 percent Audi A6 / S6 Audi A6 / S6 2002 16.1 MPG Highway Percentage 44 percent Audi A6 / S6 Audi A6 / S6 2002 19.0 MPG Highway Percentage 43 percent Audi A6 / S6 Audi A6 / S6 2002 19.4 MPG Highway Percentage 45 percent Audi A6 / S6 Audi A6 / S6 2002 24.0 MPG Highway Percentage 40 percent Audi A6 / S6 Audi A6 / S6 2002 18.7 MPG Highway Percentage 10 percent Audi A6 / S6 Audi A6 / S6 2001 21.5 MPG Highway Percentage 8 percent Audi A6 / S6 Audi A6 / S6 2001 20.7 MPG Highway Percentage 55 percent Audi A6 / S6 Audi A6 / S6 2001 21.2 MPG Highway Percentage 33 percent Audi A6 / S6 Audi A6 / S6 2000 20.0 MPG Highway Percentage 50 percent Audi A6 / S6 Audi A6 / S6 2000 20.8 MPG Highway Percentage 60 percent Audi A6 / S6 Audi A6 / S6 2000 16.5 MPG Highway Percentage 30 percent Audi A6 / S6 Audi A6 / S6 2000 21.0 MPG Highway Percentage 33 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 Sedan turbocharged 420hp 4.0L V8
7-speed automated manual AWD
flat med light 0 100 0 0 17.3  
2013 4dr Sedan supercharged 310hp 3.0L V6
8-speed shiftable automatic AWD
hills lead none 0 10 25 65 70 22.5  
2012 4dr Sedan supercharged 310hp 3.0L V6
8-speed shiftable automatic AWD
flat med none 10 0 0 90 65 32.0  
2011 4dr Sedan supercharged 300hp 3.0L V6
6-speed shiftable automatic AWD
flat med hvy 30 45 10 15 70 23.8  
2010 4dr Wagon supercharged 300hp 3.0L V6
6-speed shiftable automatic AWD
flat med light 10 20 40 30 75 25.0  
2010 4dr Sedan supercharged 300hp 3.0L V6
6-speed shiftable automatic AWD
flat med light 9 6 20 65 88 24.5  
2008 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
flat med none 15 20 25 40 65 20.0  
2007 4dr Wagon 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
flat med light 2 15 40 42 73 20.8  
2007 4dr Sedan 435-horsepower 5.2L V10
6-speed shiftable automatic AWD
flat med light 30 50 5 15 70 12.1  
2007 4dr Sedan 350-horsepower 4.2L V8
6-speed shiftable automatic AWD
flat med light 10 5 20 65 70 20.5  
2007 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
hills light light 3 10 34 55 63 24.9  
2006.5 4dr Sedan turbocharged 140hp 2.0L I4 Diesel
6-speed manual FWD
flat v.lt none 5 0 0 95 60 41.6  
2006 4dr Wagon 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
flat med light 16 17 22 44 78 23.9  
2006 4dr Sedan 335-horsepower 4.2L V8
6-speed shiftable automatic AWD
flat med light 2 7 62 28 87 17.9  
2006 4dr Sedan 255-horsepower 3.1L V6
7-speed shiftable CVT FWD
flat med hvy 30 20 20 30 80 28.6  
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
flat med light 8 14 16 62 77 25.0  
2005 4dr Sedan 335-horsepower 4.2L V8
6-speed shiftable automatic AWD
flat med light 1 4 28 67 77 18.3  
2005 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
flat med light 11 13 23 54 81 21.7  
2004 4dr Sedan 300-horsepower 4.2L V8
5-speed shiftable automatic AWD
flat med none 25 25 25 25 75 18.1  
2004 4dr Sedan 265-horsepower 2.7L V6
5-speed shiftable automatic AWD
flat med light 4 25 17 54 70 20.6  
2004 4dr Sedan 220-horsepower 3.0L V6
5-speed shiftable automatic AWD
flat med none 5 0 0 95 68 20.2  
2003 4dr Wagon 340-horsepower 4.2L V8
5-speed shiftable automatic AWD
flat lead hvy 20 20 30 30 80 16.0  
2003 4dr Sedan turbocharged 450hp 4.2L V8
5-speed shiftable automatic AWD
flat med light 2 5 22 72 75 20.4  
2003 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD
flat med none 0 20 30 50 75 22.0  
2003 4dr Sedan turbocharged 250hp 2.7L V6
5-speed shiftable automatic AWD
flat light light 5 7 12 76 70 22.0  
2003 4dr Sedan 300-horsepower 4.2L V8
5-speed shiftable automatic AWD
hills med light 13 8 15 65 90 21.0  
2003 4dr Sedan 220-horsepower 3.0L V6
5-speed shiftable automatic AWD
flat light light 16 13 30 40 88 20.4  
2002 4dr Wagon 220-horsepower 3.0L V6
5-speed shiftable automatic AWD
flat light light 15 15 10 60 60 21.3  
2002 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD
flat med none 35 14 9 44 75 16.1  
2002 4dr Sedan turbocharged 250hp 2.7L V6
5-speed shiftable automatic AWD
flat med light 12 32 13 43 66 19.0  
2002 4dr Sedan 300-horsepower 4.2L V8
5-speed shiftable automatic AWD
flat light light 6 20 29 45 62 19.4  
2002 4dr Sedan 220-horsepower 3.0L V6
6-speed shiftable CVT FWD
flat med light 10 40 10 40 70 24.0  
2002 4dr Sedan 220-horsepower 3.0L V6
5-speed shiftable automatic AWD
flat light hvy 10 30 50 10 65 18.7  
2001 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD
flat med light 3 33 58 8 75 21.5  
2001 4dr Sedan turbocharged 250hp 2.7L V6
5-speed shiftable automatic AWD
flat med none 4 12 29 55 71 20.7  
2001 4dr Sedan 200-horsepower 2.8L V6
5-speed shiftable automatic AWD
hills med hvy 10 30 28 33 65 21.2  
2000 4dr Wagon 200-horsepower 2.8L V6
5-speed shiftable automatic AWD
hills med hvy 10 30 10 50 65 20.0  
2000 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD
flat med none 10 20 10 60 120 20.8  
2000 4dr Sedan 200-horsepower 2.8L V6
5-speed shiftable automatic FWD
hills light light 45 20 5 30 60 16.5  
2000 4dr Sedan 200-horsepower 2.8L V6
5-speed shiftable automatic AWD
hills med none 8 23 35 33 72 21.0  

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This page shows only averages. See all the Audi A6 / S6 fuel economy data.

Infiniti M MPG

Infiniti M Infiniti M 2013 22.8 MPG Highway Percentage 34 percent Infiniti M Infiniti M 2012 21.1 MPG Highway Percentage 42 percent Infiniti M Infiniti M 2012 22.1 MPG Highway Percentage 30 percent Infiniti M Infiniti M 2011 19.3 MPG Highway Percentage 25 percent Infiniti M Infiniti M 2011 18.4 MPG Highway Percentage 37 percent Infiniti M Infiniti M 2011 21.0 MPG Highway Percentage 40 percent Infiniti M Infiniti M 2011 20.0 MPG Highway Percentage 40 percent Infiniti M Infiniti M 2010 14.0 MPG Highway Percentage 40 percent Infiniti M Infiniti M 2010 22.0 MPG Highway Percentage 85 percent Infiniti M Infiniti M 2009 15.5 MPG Highway Percentage 65 percent Infiniti M Infiniti M 2009 22.0 MPG Highway Percentage 20 percent Infiniti M Infiniti M 2009 21.0 MPG Highway Percentage 30 percent Infiniti M Infiniti M 2008 17.0 MPG Highway Percentage 45 percent Infiniti M Infiniti M 2008 19.7 MPG Highway Percentage 45 percent Infiniti M Infiniti M 2008 20.0 MPG Highway Percentage 66 percent Infiniti M Infiniti M 2007 15.9 MPG Highway Percentage 23 percent Infiniti M Infiniti M 2007 19.8 MPG Highway Percentage 29 percent Infiniti M Infiniti M 2007 20.0 MPG Highway Percentage 35 percent Infiniti M Infiniti M 2006 19.3 MPG Highway Percentage 60 percent Infiniti M Infiniti M 2006 19.9 MPG Highway Percentage 39 percent Infiniti M Infiniti M 2006 19.0 MPG Highway Percentage 47 percent Infiniti M Infiniti M 2004 19.9 MPG Highway Percentage 35 percent Infiniti M Infiniti M 2003 18.4 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 MPG
2013 4dr Sedan 330-horsepower 3.7L V6
7-speed shiftable automatic AWD
hills light light 12 26 29 34 68 22.8  
2012 4dr Sedan 330-horsepower 3.7L V6
7-speed shiftable automatic AWD
flat med light 3 23 32 42 80 21.1  
2012 4dr Sedan 302-horsepower 3.5L V6 Hybrid
7-speed shiftable automatic RWD
flat light hvy 0 50 20 30 80 22.1  
2011 4dr Sedan 420-horsepower 5.6L V8
7-speed shiftable automatic RWD
flat med hvy 35 35 5 25 75 19.3  
2011 4dr Sedan 420-horsepower 5.6L V8
7-speed shiftable automatic AWD
flat med light 7 31 25 37 67 18.4  
2011 4dr Sedan 330-horsepower 3.7L V6
7-speed shiftable automatic RWD
flat med light 5 45 10 40 60 21.0  
2011 4dr Sedan 330-horsepower 3.7L V6
7-speed shiftable automatic AWD
flat med light 5 24 30 40 70 20.0  
2010 4dr Sedan 325-horsepower 4.5L V8
5-speed shiftable automatic AWD
flat med none 10 10 40 40 75 14.0  
2010 4dr Sedan 303-horsepower 3.5L V6
7-speed shiftable automatic RWD
flat light hvy 0 3 12 85 70 22.0  
2009 4dr Sedan 325-horsepower 4.5L V8
5-speed shiftable automatic AWD
flat med light 6 14 15 65 69 15.5  
2009 4dr Sedan 303-horsepower 3.5L V6
7-speed shiftable automatic RWD
flat med light 0 0 80 20 60 22.0  
2009 4dr Sedan 303-horsepower 3.5L V6
5-speed shiftable automatic AWD
hills med light 20 40 10 30 65 21.0  
2008 4dr Sedan 325-horsepower 4.5L V8
5-speed shiftable automatic RWD
flat lead hvy 35 15 5 45 75 17.0  
2008 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic RWD
flat med light 21 17 18 45 67 19.7  
2008 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic AWD
hills med light 9 10 15 66 68 20.0  
2007 4dr Sedan 325-horsepower 4.5L V8
5-speed shiftable automatic RWD
flat med light 4 35 38 23 70 15.9  
2007 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic RWD
flat light light 20 28 23 29 71 19.8  
2007 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic AWD
flat med light 2 21 42 35 68 20.0  
2006 4dr Sedan 335-horsepower 4.5L V8
5-speed shiftable automatic RWD
flat light light 10 13 17 60 73 19.3  
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic RWD
flat med light 9 28 23 39 68 19.9  
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic AWD
flat med light 9 17 26 47 75 19.0  
2004 4dr Sedan 340-horsepower 4.5L V8
5-speed shiftable automatic RWD
hills med light 13 8 45 35 78 19.9  
2003 4dr Sedan 340-horsepower 4.5L V8
5-speed shiftable automatic RWD
flat med light 13 33 17 36 78 18.4  

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

Audi A6 / S6 vs. Infiniti M 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 Audi A6 / S6 and Infiniti M'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 Sedans and Wagons.
See TrueDelta's information for all Audi models and Infiniti models.

What Our Members Are Saying about the Real Gas Mileage of the Audi A6 / S6

Audi A6 / S6 Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
It is @ least 4 mpg better hwy & city see full Audi A6 / S6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
With the FSI and V6, I regularly see 27 mpg in city. And arround 30-32 mpg highway (no A/C on, and cruising at 80 mph). see full Audi A6 / S6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
21=22 mpg in cit/commute/highway driving -- pretty good for a large luxury car that weighs 4000+ pounds. see full Audi A6 / S6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
Despite the performance of the A6 3.2 it delivers great mpg for such a large car. It excels on the open road. With cruise it is possible to achieve a range of 650+ miles on a tankful. see full Audi A6 / S6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
better then 28 mpg on highway due to transmission gearing see full Audi A6 / S6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
It's hard to imagine such a powerful luxury car can get such great gas mileage. On a recent trip to Montreal I calculated my fuel economy to be somewhere in the 27mpg range....incredible! see full Audi A6 / S6 review
2004 4dr Sedan 220-horsepower 3.0L V6
6-speed shiftable CVT FWD
Typically 22-24 in-town and 29-31 on the road. Excellent economy for car size and level of comfort. see full Audi A6 / S6 review
Audi A6 / S6 Real Gas Mileage: Cons
YearBody/PowertrainComment
2006 4dr Sedan 335-horsepower 4.2L V8
6-speed shiftable automatic AWD
this is not a car to be used as a city daily driver -- the best mpg you will get in all city driving is 12mpg see full Audi A6 / S6 review
2006 4dr Wagon 255-horsepower 3.1L V6
6-speed shiftable automatic AWD
Poor relative to power see full Audi A6 / S6 review
2002 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD
For a car that requires 91+ octane, it would be nice if it got better gas mileage in city driving (around 16-18 mpg). The mileage on the highway is much better (up to 26 mpg). see full Audi A6 / S6 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 420-horsepower 5.6L V8
7-speed shiftable automatic AWD
Fairly poor. 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
2008 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic AWD
Gas mileage stinks. 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
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 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 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 AWD
Simply bad in city and highway fuel economy see full Infiniti M review